SPICE MODEL of CUS521 (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/ GENERAL PURPOSE
RECTIFIER/ STANDARD MODEL
PART NUMBER: CUS521
MANUFACTURER: TOSHIBA
Bee Technologies Inc.
All Rights Reserved Copyright (C) Bee Technologies Inc. 2011
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2. Circuit Configuration
D1
CUS521
DIODE MODEL PARAMETERS
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. 2011
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3. Forward Current Characteristics
Circuit Simulation result
1.0A
100mA
10mA
1.0mA
100uA
10uA
1.0uA
0V 100mV 200mV 300mV 400mV 500mV 600mV
I(R1)
V_V1
Evaluation circuit
R1
0.001m
V1 D1
CUS521
0
All Rights Reserved Copyright (C) Bee Technologies Inc. 2011
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4. Comparison Graph
Circuit Simulation result
Comparison table
VF (V)
IF (mA) %Error
Measurement Simulation
0.1 0.152 0.150 -1.16
0.2 0.168 0.169 0.24
0.5 0.190 0.193 1.78
1 0.211 0.211 0.14
2 0.231 0.231 -0.25
5 0.261 0.257 -1.38
10 0.279 0.278 -0.16
20 0.306 0.302 -1.14
50 0.343 0.343 0.06
100 0.379 0.389 2.76
200 0.467 0.463 -0.98
All Rights Reserved Copyright (C) Bee Technologies Inc. 2011
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5. Junction Capacitance Characteristic
Circuit Simulation result
100p
10p
1.0p
0V 5V 10V 15V 20V 25V 30V
I(V2)/(30V/100ns)
V(R)
Evaluation circuit
V2
R
0V
V1 = 0 V1
V2 = 30 D1
TD = 0 CUS521
TR = 100ns
TF = 100ns
PW = 100us
PER = 10ms
0
All Rights Reserved Copyright (C) Bee Technologies Inc. 2011
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6. Comparison Graph
Circuit Simulation result
Comparison table
C (pF)
VR (V) %Error
Measurement Simulation
0.2 23.200 23.334 0.58
0.5 19.600 19.403 -1.01
1 15.600 15.554 -0.29
2 11.500 11.665 1.43
5 7.250 7.389 1.92
10 4.850 5.046 4.04
20 3.500 3.392 -3.08
All Rights Reserved Copyright (C) Bee Technologies Inc. 2011
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