The document provides a detailed device modeling report for the 1SR139-400 general purpose rectifier manufactured by ROHM, including parameters like saturation current and junction capacitance. It presents simulation results for forward current characteristics, capacitance characteristics, and reverse recovery characteristics, comparing measurement data with simulation results and noting percentage errors. All data and graphs are copyright protected by Bee Technologies Inc. in 2004.

1. Device Modeling Report
COMPONENTS:
DIODE/ GENERAL PURPOSE RECTIFIER / STANDARD
PART NUMBER: 1SR139-400
MANUFACTURER: ROHM
REMARK: TC=80 C
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

3. Forward Current Characteristic
Circuit Simulation Result
Evaluation Circuit
R1
0.01m
V1 D1
0Vdc
1SR139-400_80C
0
All Rights Reserved Copyright (C) Bee Technologies Inc. 2004

4. Forward Current Characteristic Reference
All Rights Reserved Copyright (C) Bee Technologies Inc. 2004

5. Comparison Graph
Circuit Simulation Result
Simulation Result
Vfwd(V) Vfwd(V)
Ifwd(A) %Error
Measurement Simulation
0.01 0.620 0.620 0.00
0.02 0.652 0.654 -0.31
0.05 0.700 0.699 0.14
0.1 0.740 0.733 0.95
0.2 0.768 0.770 -0.26
0.5 0.818 0.822 -0.49
1 0.872 0.871 0.11
All Rights Reserved Copyright (C) Bee Technologies Inc. 2004

6. Capacitance Characteristic
Circuit Simulation Result
Evaluation Circuit
V2
0Vdc
V2 = 400V V1
V1 = 0 D1
TD = 0
TR = 10ns
TF = 10ns
PW = 5us
PER = 10us 1SR139-400_80C
0
All Rights Reserved Copyright (C) Bee Technologies Inc. 2004

7. Comparison Graph
Circuit Simulation Result
Simulation Result
Cj(pF) Cj(pF)
Vrev(V) %Error
Measurement Simulation
0 23.314 23.314 0.00
0.1 21.207 21.739 -2.51
0.2 19.708 20.421 -3.62
0.5 16.663 17.106 -2.66
1 14.088 14.333 -1.74
2 11.544 11.639 -0.82
5 8.577 8.477 1.17
10 6.704 6.607 1.45
20 5.166 5.094 1.39
50 3.616 3.605 0.30
100 2.754 2.766 -0.44
All Rights Reserved Copyright (C) Bee Technologies Inc. 2004

8. Reverse Recovery Characteristic
Circuit Simulation Result
Evaluation Circuit
R1
50
V2 = 10.8V V1 D1
V1 = -9.2V
TD = 0
TR = 10ns
TF = 10ns
PW = 20us
PER = 50us 1SR139-400_80C
0
Compare Measurement vs. Simulation
Measurement Simulation %Error
trr 5.04 us 4.97 us 1.388
All Rights Reserved Copyright (C) Bee Technologies Inc. 2004

9. Reverse Recovery Characteristic Reference
Measurement
Trj =2.16(us)
Trb=2.88(us)
Conditions: Ifwd=Irev=0.2(A), Rl=50
Example
Relation between trj and trb
All Rights Reserved Copyright (C) Bee Technologies Inc. 2004