SPICE MODEL of 1S1887A (Standard Model) in SPICE PARK

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SPICE MODEL of 1S1887A (Standard Model) in SPICE PARK. English Version is http://www.spicepark.net. Japanese Version is http://www.spicepark.com by Bee Technologies.

Technology

Device Modeling Report

COMPONENTS:
DIODE/ GENERAL PURPOSE RECTIFIER/ STANDARD
PART NUMBER: 1S1887A
MANUFACTURER: TOSHIBA
REMARK: TC=25C

Bee Technologies Inc.

All Rights Reserved Copyright (C) Bee Technologies Inc. 2004

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. 2004

Forward Current Characteristic

Circuit Simulation Result

Evaluation Circuit

R1

0.01m

D1
V1
0Vdc

1S1887A

0

All Rights Reserved Copyright (C) Bee Technologies Inc. 2004

Comparison Graph

Circuit Simulation Result

Simulation Result

Vfwd(V) Vfwd(V)
Ifwd(A) %Error
Measurement Simulation
0.01 0.650 0.652 -0.277
0.02 0.674 0.674 -0.045
0.05 0.705 0.704 0.156
0.1 0.730 0.727 0.438
0.2 0.750 0.749 0.133
0.5 0.778 0.779 -0.154
1 0.798 0.803 -0.576
2 0.830 0.827 0.373
5 0.862 0.861 0.116

All Rights Reserved Copyright (C) Bee Technologies Inc. 2004

Junction Capacitance Characteristic

Circuit Simulation Result

Evaluation Circuit

V2

0Vdc

V1 = 0 V1 D1
V2 = 400
TD = 0
TR = 10n
TF = 50n
PW = 5u
PER = 10u 1S1887A

0

All Rights Reserved Copyright (C) Bee Technologies Inc. 2004

Comparison Graph

Circuit Simulation Result

Simulation Result

Cj(pF) Cj(pF)
Vrev(V) %Error
Measurement Simulation
0 8.925 8.925 0.000
0.1 8.312 8.240 0.858
0.2 7.783 7.728 0.704
0.5 6.660 6.684 -0.354
1 5.568 5.732 -2.945
2 4.681 4.777 -2.040
5 3.584 3.571 0.352
10 2.895 2.860 1.206
20 2.323 2.272 2.179
50 1.734 1.690 2.498
100 1.387 1.338 3.518

All Rights Reserved Copyright (C) Bee Technologies Inc. 2004

Reverse Recovery Characteristic

Circuit Simulation Result

Evaluation Circuit

R1

50

V2 = 10.7V V1
V1 = -9.20V
TD = 0 D1
TR = 10ns
TF = 10ns
PW = 20us
PER = 50us 1S1887A

0

Compare Measurement vs. Simulation

Measurement Simulation %Error
trr 4.000 us 3.92 us 1.825

All Rights Reserved Copyright (C) Bee Technologies Inc. 2004

Reverse Recovery Characteristic Reference

Measurement

Trj =3.12(us)
Trb=0.88(us)
Conditions: Ifwd=Irev=0.2(A), Rl=50

Example

Relation between trj and trb

All Rights Reserved Copyright (C) Bee Technologies Inc. 2004

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SPICE MODEL of 1S1887A (Standard Model) in SPICE PARK

1. Device Modeling Report COMPONENTS: DIODE/ GENERAL PURPOSE RECTIFIER/ STANDARD PART NUMBER: 1S1887A MANUFACTURER: TOSHIBA REMARK: TC=25C Bee Technologies Inc. All Rights Reserved Copyright (C) Bee Technologies Inc. 2004

2. 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. 2004

4. Comparison Graph Circuit Simulation Result Simulation Result Vfwd(V) Vfwd(V) Ifwd(A) %Error Measurement Simulation 0.01 0.650 0.652 -0.277 0.02 0.674 0.674 -0.045 0.05 0.705 0.704 0.156 0.1 0.730 0.727 0.438 0.2 0.750 0.749 0.133 0.5 0.778 0.779 -0.154 1 0.798 0.803 -0.576 2 0.830 0.827 0.373 5 0.862 0.861 0.116 All Rights Reserved Copyright (C) Bee Technologies Inc. 2004

5. Junction Capacitance Characteristic Circuit Simulation Result Evaluation Circuit V2 0Vdc V1 = 0 V1 D1 V2 = 400 TD = 0 TR = 10n TF = 50n PW = 5u PER = 10u 1S1887A 0 All Rights Reserved Copyright (C) Bee Technologies Inc. 2004

6. Comparison Graph Circuit Simulation Result Simulation Result Cj(pF) Cj(pF) Vrev(V) %Error Measurement Simulation 0 8.925 8.925 0.000 0.1 8.312 8.240 0.858 0.2 7.783 7.728 0.704 0.5 6.660 6.684 -0.354 1 5.568 5.732 -2.945 2 4.681 4.777 -2.040 5 3.584 3.571 0.352 10 2.895 2.860 1.206 20 2.323 2.272 2.179 50 1.734 1.690 2.498 100 1.387 1.338 3.518 All Rights Reserved Copyright (C) Bee Technologies Inc. 2004

7. Reverse Recovery Characteristic Circuit Simulation Result Evaluation Circuit R1 50 V2 = 10.7V V1 V1 = -9.20V TD = 0 D1 TR = 10ns TF = 10ns PW = 20us PER = 50us 1S1887A 0 Compare Measurement vs. Simulation Measurement Simulation %Error trr 4.000 us 3.92 us 1.825 All Rights Reserved Copyright (C) Bee Technologies Inc. 2004

8. Reverse Recovery Characteristic Reference Measurement Trj =3.12(us) Trb=0.88(us) Conditions: Ifwd=Irev=0.2(A), Rl=50 Example Relation between trj and trb All Rights Reserved Copyright (C) Bee Technologies Inc. 2004

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