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Device Modeling Report



COMPONENTS:
DIODE/ GENERAL PURPOSE RECTIFIER/ STANDARD
PART NUMBER: RURD460S
MANUFACTURER: FAIRCHILD
REMARK: TC=150 degree




                   Bee Technologies Inc.



    All Rights Reserved Copyright (C) Bee Technologies Inc. 2005
PSpice model
                                      Model description
 parameter
     IS         Saturation Current
     N          Emission Coefficient
     RS         Series Resistance
    IKF         High-injection Knee Current
    CJO         Zero-bias Junction Capacitance
     M          Junction Grading Coefficient
     VJ         Junction Potential
    ISR         Recombination Current Saturation Value
     BV         Reverse Breakdown Voltage(a positive value)
    IBV         Reverse Breakdown Current(a positive value)
     TT         Transit Time
    EG          Energy-band Gap




               All Rights Reserved Copyright (C) Bee Technologies Inc. 2005
Forward Current Characteristic                                        Reference




             All Rights Reserved Copyright (C) Bee Technologies Inc. 2005
Forward Current Characteristic
Circuit Simulation Result

                5.0A




                1.0A




               100mA
                0.01V                                                        2.00V
                            I(D1)
                                                      V_V1




Evaluation Circuit


                                                 R1


                                                   0.01m



                                                                      D1
                                      V1
                               0Vdc                   RURD460S_150s




                                                       0




                     All Rights Reserved Copyright (C) Bee Technologies Inc. 2005
Comparison Graph

Circuit Simulation Result




Simulation Result

                                 Vfwd(V)               Vfwd(V)
            Ifwd(A)                                                           %Error
                               Measurement            Simulation
                       0.1                0.586                0.585               0.171
                       0.2                0.642                0.644               -0.312
                       0.5                0.736                0.733               0.408
                         1                0.818                0.818               0.000
                         2                0.924                0.922               0.216




                    All Rights Reserved Copyright (C) Bee Technologies Inc. 2005
Capacitance Characteristic

Circuit Simulation Result

               100p




                10p




               1.0p
                  1.0V                                10V                      100V
                          I(V2)/(600V/1u)
                                                V(N00016)



Evaluation Circuit


                                                 V2


                                                       0Vdc


                              V2 = 600     V1
                              V1 = 0                                  D1
                              TD = 0
                              TR = 1us
                              TF = 10ns               RURD460S_150s
                              PW = 5us
                              PER = 50us




                                                       0




                     All Rights Reserved Copyright (C) Bee Technologies Inc. 2005
Comparison Graph

Circuit Simulation Result




Simulation Result

                                  Cj(pF)                Cj(pF)
            Vrev(V)                                                          %Error
                               Measurement            Simulation
                         0           101.600               101.600                  0.000
                         1            57.300                56.368                  1.627
                         2            43.600                44.000                 -0.917
                         5            29.200                30.200                 -3.425
                        10            21.700                22.112                 -1.899
                        20            16.650                16.365                  1.712
                        50            11.450                10.800                  5.677




                    All Rights Reserved Copyright (C) Bee Technologies Inc. 2005
Reverse Recovery Characteristic

Circuit Simulation Result



                  200mA




                       0A




                 -200mA


                      19.90us   20.00us                      20.20us             20.36us
                           I(R1)
                                                      Time




Evaluation Circuit

                                                     R1


                                                     50


                             V1 = -9.39V   V1
                             V2 = 10.71V                               D1
                             TD = 0
                             TR = 10ns               RURD460S_150s
                             TF = 10ns
                             PW = 20us
                             PER = 50us




                                                      0



Compare Measurement vs. Simulation

                            Measurement                   Simulation                %Error
           trr                      144.00      ns           144.20         ns             0.133




                     All Rights Reserved Copyright (C) Bee Technologies Inc. 2005
Reverse Recovery Characteristic                                      Reference




                                                       Measurement




Trj =36 (ns)
Trb= 108 (ns)
Conditions: Ifwd=Irev=0.2(A), Rl=50




                                                              Example




                               Relation between trj and trb




                 All Rights Reserved Copyright (C) Bee Technologies Inc. 2005