SPICE MODEL of 1SS405 (Standard Model) in SPICE PARK. English Version is http://www.spicepark.net. Japanese Version is http://www.spicepark.com by Bee Technologies.

1. Device Modeling Report
COMPONENTS:
DIODE/ SCHOOTTKY RECTIFIER / STANDARD
PART NUMBER: 1SS405
MANUFACTURER: TOSHIBA
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
0.001m
D1
V1
0Vdc
1SS405
0
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
1.00E-06 0.150 0.150 0.20
1.00E-05 0.210 0.210 0.19
1.00E-04 0.270 0.269 -0.22
1.00E-03 0.331 0.330 -0.30
1.00E-02 0.401 0.400 -0.25
5.00E-02 0.490 0.490 -0.02
All Rights Reserved Copyright (C) Bee Technologies Inc. 2004

5. Junction Capacitance Characteristic
Circuit Simulation Result
Evaluation Circuit
V2
V2 = 20 0Vdc
V1 = 0
TD = 0
TR = 10ns V1 D1
TF = 50ns
PW = 5us
PER = 10us
1SS405
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
0.01 3.655 3.650 -0.14
0.03 3.610 3.512 -2.71
0.1 3.500 3.523 0.66
0.3 3.250 3.262 0.37
1 2.780 2.781 0.04
3 2.250 2.268 0.80
10 1.750 1.749 -0.06
20 1.500 1.498 -0.13
All Rights Reserved Copyright (C) Bee Technologies Inc. 2004