SPICE MODEL of 1SS271 (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: 1SS271
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
0.01m
0Vdc V1
U1 1SS271
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-05 0.230 0.230 -0.22
2.00E-05 0.247 0.248 0.40
5.00E-05 0.270 0.272 0.56
0.0001 0.288 0.290 0.56
0.0002 0.310 0.308 -0.61
0.0005 0.333 0.334 0.21
0.001 0.355 0.355 -0.06
0.002 0.380 0.379 -0.24
0.005 0.420 0.422 0.40
0.01 0.475 0.471 -0.80
0.03 0.625 0.626 0.16
All Rights Reserved Copyright (C) Bee Technologies Inc. 2004

5. Junction Capacitance Characteristic
Circuit Simulation Result
Evaluation Circuit
V2
0Vdc
V1 = 0 V1
V2 = 6
TD = 0
TR = 10ns
TF = 50ns
PW = 50us
PER = 10us U1 1SS271
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
0.1 7.90 7.92 0.22
0.2 7.60 7.57 -0.36
0.5 6.90 6.86 -0.61
1 6.08 6.16 1.32
2 5.35 5.43 1.44
5 4.56 4.47 -1.91
All Rights Reserved Copyright (C) Bee Technologies Inc. 2004