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Device Modeling Report



COMPONENTS:
DIODE/ GENERAL PURPOSE RECTIFIER/ PROFESSIONAL
PART NUMBER: RURD460S
MANUFACTURER: FAIRCHILD
REMARK: TC=80 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




                10mA
                        0V                                                     2.0V
                             I(R1)
                                                      V_V1




Evaluation Circuit

                                                 R1


                                                   0.01m



                                                                     U1
                                      V1
                               0Vdc                   RURD460S_80p




                                                       0




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

Circuit Simulation Result




Simulation Result

                                 Vfwd(V)               Vfwd(V)
            Ifwd(A)            Measurement            Simulation              %Error
                      0.01             0.460                  0.463               -0.652
                      0.02             0.520                  0.518                0.385
                      0.05             0.598                  0.596                0.334
                       0.1             0.654                  0.652                0.306
                       0.2             0.712                  0.713               -0.140
                       0.5             0.800                  0.802               -0.250
                         1             0.884                  0.886               -0.226
                         2             0.988                  0.988                0.000




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

Circuit Simulation Result

               100p




                10p




               1.0p
                  1.0V                         10V                                  100V
                          -I(X_U1.D_D1)/(600V/1u)
                                            V(N00016)



Evaluation Circuit


                                                 V2


                                                      0Vdc


                              V2 = 600     V1
                              V1 = 0                                  U1
                              TD = 0
                              TR = 1us
                              TF = 10ns               RURD460S_80p
                              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            91.900                 91.900                   0.000
                       1            52.800                 52.717                   0.157
                       2            41.500                 41.615                  -0.277
                       5            28.700                 29.155                  -1.585
                      10            21.400                 21.862                  -2.159
                      20            16.500                 16.304                   1.188
                      50            11.300                 11.207                   0.823
                     100              8.500                  8.129                  4.365




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

Circuit Simulation Result



                   200mA




                       0A




               -200mA


                      19.92us  20.00us                            20.20us    20.32us
                           I(R1)
                                                      Time




Evaluation Circuit

                                                    R1


                                                     50


                             V1 = -9.39V   V1
                             V2 = 10.71V                                U1
                             TD = 0
                             TR = 10ns                   RURD460S_80p
                             TF = 10ns
                             PW = 20us
                             PER = 50us




                                                      0




Compare Measurement vs. Simulation

                             Measurement                  Simulation            %Error
             trj                     28 ns                   28.08 ns              0.285
             trb                   82.4 ns                   82.22 ns              0.218



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




                                                        Measurement




Trj =28 (ns)
Trb= 82.4 (ns)
Conditions: Ifwd=Irev=0.2(A), Rl=50




                                                              Example




                               Relation between trj and trb




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