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					                                                                                                                                              RB521G-30
Diodes


Schottky barrier diode
RB521G-30

 Application                             External dimensions (Unit : mm)                                                       Land size figure (Unit : mm)
Rectifying small power
                                                                                                       0.13±0.03                             0.5
                                                       0.6±0.05




                                                                                                                                 0.5
  Features




                                                                                                                                                                    1.2
1) Ultra small mold type. (VMD2)



                                                                        1.0±0.05
                                                                                   1.4±0.05
2) Low VF

3) High reliability

                                                                                                                               VMD2

 Construction
                                                0.27±0.03
                                                                                              0.5±0.05
Silicon epitaxial planer                                                                                                        Structure
                                          ROHM : VMD2
                                             dot (year week factory)




                                         Taping specification (Unit : mm)
                                                                                                                                                                                    0.18±0.05
                                                                                                                    φ1.5+0.1
                                                                      4±0.1                   2±0.05
                                                                                                                         0




                                                                                                                                                         1.75±0.1
                                                                                                                                                         3.5±0.05


                                                                                                                                                                          8.0±0.3
                                                                                                                                                                              0.1
                                                     1.11±0.05




                                                                                                                                                   0.4
                                           2.1±0.1




                                                                                                                                            φ0.5                                    0.3

                                                                      0.76±0.1                              4±0.1                2±0.05                                               0.65±0.05




 Absolute maximum ratings (Ta=25°C)
                Parameter                        Symbol                                           Limits                                  Unit
Reverse voltage (DC)                               VR                                               30                                     V
Average rectified forward current                  Io                                              100                                    mA
Forward current surge peak (60Hz・1cyc)            IFSM                                             500                                    mA
Junction temperature                               Tj                                              125                                     ℃
Storage temperature                               Tstg                                         -40 to +125                                 ℃

 Electrical characteristics (Ta=25°C)
         Parameter              Symbol   Min.                    Typ.               Max.                    Unit                          Conditions
Forward voltage                    VF     -                       -                 0.35                     V                 IF=10mA
Reverse current                    IR     -                       -                       10                 µA                VR=10V




                                                                                                                                             Rev.A                                        1/3
                                                                                                                                                                                                                                                                                              RB521G-30
                               Diodes

                                                Electrical characteristic curves (Ta=25°C)
                                                 1000                                                                                   10000                                                                                                                       100
                                                                                                                                                                                                                Ta=125℃                                                                                               f=1MHz
                                                           Ta=125℃
                                                  100                                                                                           1000
                       FORWARD CURRENT:IF(mA)




                                                                                                                       REVERSE CURRENT:IR(uA)




                                                                                                                                                                                                                                                CAPACITANCE BETWEEN
                                                           Ta=75℃                                                                                                                                                   Ta=75℃




                                                                                                                                                                                                                                                  TERMINALS:Ct(pF)
                                                   10                                                                                                      100

                                                       1                                           Ta=-25℃                                                                                                          Ta=25℃                                                 10
                                                                                                                                                                         10

                                                                                            Ta=25℃
                                                   0.1                                                                                                                    1
                                                                                                                                                                                                                    Ta=-25℃
                                                  0.01                                                                                                            0.1

                                                 0.001                                                                                                0.01                                                                                                                  1
                                                           0   100     200     300      400         500       600                                                             0                 10             20               30                                               0       5             10            15         20
                                                               FORWARD VOLTAGE:VF(mV)                                                                                                       REVERSE VOLTAGE:VR(V)                                                                      REVERSE VOLTAGE:VR(V)
                                                                VF-IF CHARACTERISTICS                                                                                                       VR-IR CHARACTERISTICS                                                                      VR-Ct CHARACTERISTICS




                                                 300                                                                                                                      30                                                                                               20
                                                                                                   Ta=25℃                                                                                                             Ta=25℃                                               19                                             Ta=25℃
                                                                                                   IF=10mA                                                                                                            VR=10V                                                                                              f=1MHz
      FORWARD VOLTAGE:VF(mV)




                                                                                                                                                                          25                                                                                               18
                                                                                                                                                REVERSE CURRENT:IR(uA)




                                                 290                                               n=30pcs                                                                                                            n=30pcs




                                                                                                                                                                                                                                                CAPACITANCE BETWEEN
                                                                                                                                                                                                                                                                                                                           VR=0V
                                                                                                                                                                                                                                                                           17                                             n=10pcs




                                                                                                                                                                                                                                                  TERMINALS:Ct(pF)
                                                                                                                                                                          20
                                                 280                                                                                                                                                                                                                       16
                                                                                                                                                                          15                                                                                               15

                                                 270                                                                                                                                                                                                                       14
                                                                                                                                                                          10                                                                                               13
                                                 260                                                                                                                                                 AVE:2.017uA                                                           12
                                                                                                                                                                              5                                                                                                                   AVE:17.34pF
                                                                              AVE:270.2mV                                                                                                                                                                                  11
                                                 250                                                                                                                          0                                                                                            10


                                                                     VF DISPERSION MAP                                                                                                         IR DISPERSION MAP                                                                         Ct DISPERSION MAP




                                                   20                                                                                                                     10                                                                                               10

                                                                                                      1cyc                                                                                           Ifsm
FORWARD CURRENT:IFSM(A)




                                                                                     Ifsm
                                                                                                                                       FORWARD CURRENT:IFSM(A)




                                                                                                                                                                                                                                                 FORWARD CURRENT:IFSM(A)




                                                                                                                                                                                                                                                                                                              Ifsm
                                                   15                                                                                                                                                                                                                                                                     t
                                                                                                                                                                                                             8.3ms 8.3ms
                                                                                                 8.3ms
                                                                                                                                                                                                                 1cyc
     PEAK SURGE




                                                                                                                                            PEAK SURGE




                                                                                                                                                                                                                                                      PEAK SURGE




                                                   10                                                                                                                         5                                                                                             5
                                                                              AVE:3.90A

                                                    5



                                                    0                                                                                                                         0                                                                                             0
                                                                                                                                                                                  1                     10                    100                                                1                     10                           100
                                                                                                                                                                                               NUMBER OF CYCLES                                                                                TIME:t(ms)
                                                                     IFSM DISRESION MAP                                                                                                                                                                                                IFSM-t CHARACTERISTICS
                                                                                                                                                                                          IFSM-CYCLE CHARACTERISTICS



                                                                                                                                                                                                                                                                           0.1
                                                 1000                                                                                                                     0.1
                                                                                                   Rth(j-a)
            THAERMAL IMPEDANCE:Rth (℃/W)




                                                                                                                                                                                                                                                                   0.08
                                                                                                                                                                         0.08
                                                                                                                                                                                                                                     DISSIPATION:PR (W)
                                                                                                                     DISSIPATION:Pf(W)
                                                                                                                     FORWARD POWER




                                                                                                                                                                                                                                      REVERSE POWER




                                                                                                                                                                                               D=1/2
                     TRANSIENT




                                                                                                   Rth(j-c)                                                              0.06                                           DC                                         0.06

                                                  100                                                                                                                                     Sin(θ=180)
                                                                              Mounted on epoxy board                                                                                                                                                                                                        D=1/2
                                                                                                                                                                         0.04                                                                                      0.04
                                                                              IM=10mA              IF=100mA                                                                                                                                                                                       DC

                                                                                                                                                                         0.02                                                                                      0.02              Sin(θ=180)
                                                                                 1ms        time
                                                                                     300us
                                                                                                                                                                                  0                                                                                         0
                                                   10
                                                                                                                                                                                      0                 0.1                     0.2                                              0           10                20                   30
                                                    0.001               0.1                 10                1000
                                                                        TIME:t(s)                                                                                                               AVERAGE RECTIFIED
                                                                Rth-t CHARACTERISTICS                                                                                                        FORWARD CURRENT:Io(A)                                                                     REVERSE VOLTAGE:VR(V)
                                                                                                                                                                                              Io-Pf CHARACTERISTICS                                                                    VR-PR CHARACTERISTICS




                                                                                                                                                                                                                                                                                             Rev.A                            2/3
                                                                                                                                                      RB521G-30
    Diodes

                        0.3                                                                        0.3
                                               0A                   Io                                                     0A                  Io




                                                                           FORWARD CURRENT:Io(A)
FORWARD CURRENT:Io(A)




                                               0V                  VR                                                      0V                  VR




                                                                             AVERAGE RECTIFIED
                                                      t                                                                          t
                                                              D=t/T                                                                       D=t/T
  AVERAGE RECTIFI




                        0.2                                   VR=15V                               0.2       DC                           VR=15V
                                  DC                          Tj=125℃
                                                          T                                                                          T   Tj=125℃
                                  D=1/2                                                                      D=1/2

                        0.1                                                                        0.1


                                  Sin(θ=180)                                                                 Sin(θ=180)
                         0                                                                          0
                              0      25      50       75      100    125                                 0           25   50    75       100    125
                                   AMBIENT TEMPERATURE:Ta(℃)
                                                                                                                  CASE TEMPARATURE:Tc(℃)
                                       Derating Curve゙(Io-Ta)
                                                                                                                    Derating Curve゙(Io-Tc)




                                                                                                                                                      Rev.A   3/3
Appendix




                                                       Notes
        No technical content pages of this document may be reproduced in any form or transmitted by any
        means without prior permission of ROHM CO.,LTD.
        The contents described herein are subject to change without notice. The specifications for the
        product described in this document are for reference only. Upon actual use, therefore, please request
        that specifications to be separately delivered.
        Application circuit diagrams and circuit constants contained herein are shown as examples of standard
        use and operation. Please pay careful attention to the peripheral conditions when designing circuits
        and deciding upon circuit constants in the set.
        Any data, including, but not limited to application circuit diagrams information, described herein
        are intended only as illustrations of such devices and not as the specifications for such devices. ROHM
        CO.,LTD. disclaims any warranty that any use of such devices shall be free from infringement of any
        third party's intellectual property rights or other proprietary rights, and further, assumes no liability of
        whatsoever nature in the event of any such infringement, or arising from or connected with or related
        to the use of such devices.
        Upon the sale of any such devices, other than for buyer's right to use such devices itself, resell or
        otherwise dispose of the same, no express or implied right or license to practice or commercially
        exploit any intellectual property rights or other proprietary rights owned or controlled by
        ROHM CO., LTD. is granted to any such buyer.
        Products listed in this document are no antiradiation design.



    The products listed in this document are designed to be used with ordinary electronic equipment or devices
    (such as audio visual equipment, office-automation equipment, communications devices, electrical
     appliances and electronic toys).
    Should you intend to use these products with equipment or devices which require an extremely high level of
    reliability and the malfunction of with would directly endanger human life (such as medical instruments,
     transportation equipment, aerospace machinery, nuclear-reactor controllers, fuel controllers and other
    safety devices), please be sure to consult with our sales representative in advance.


   About Export Control Order in Japan
    Products described herein are the objects of controlled goods in Annex 1 (Item 16) of Export Trade Control
    Order in Japan.
    In case of export from Japan, please confirm if it applies to "objective" criteria or an "informed" (by MITI clause)
    on the basis of "catch all controls for Non-Proliferation of Weapons of Mass Destruction.




                                                                                                         Appendix1-Rev1.1

				
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