FREE SPICE MODEL of CMH05A 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
PART NUMBER: CMH05A
MANUFACTURER: TOSHIBA
Bee Technologies Inc.
All Rights Reserved Copyright (C) Bee Technologies Inc. 2008
-1-

2. SPICE MODEL
*$
* P ART NUMBER: CMH05 A
* M ANUF ACTURER: TOSHIB A
* VRRM=4 00, IF=1 A, IFSM=10 A
* All Rights Reserved Copyright ( C) Bee Technologies Inc. 2008
.MODEL DCMH05A D
+ IS=165.58E-6
+ N=7.0824
+ RS=65.866E-3
+ IKF=.55393
+ CJO=13.548E-12
+ M=.34397
+ VJ=.3905
+ISR=0
+ BV=400
+ IBV=10.000E-6
+ TT=14.5000E-9
*$
All Rights Reserved Copyright (C) Bee Technologies Inc. 2008
-2-

3. 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. 2008
-3-

4. Forward Current Characteristic
Circuit Simulation Result
100A
10A
1.0A
100mA
10mA
0V 1.0V 2.0V 3.0V 3.8V
I(R1)
V_V1
Evaluation Circuit
R1
0.01m
V1
0Vdc D1
DCMH05A
0
All Rights Reserved Copyright (C) Bee Technologies Inc. 2008
-4-

5. Comparison Graph
Circuit Simulation Result
Simulation Result
Vfwd (V)
Ifwd (A) %Error
Measurement Simulation
0.1 1.232 1.196 -2.90
0.2 1.337 1.346 0.68
0.5 1.549 1.581 2.06
1 1.787 1.809 1.24
2 2.104 2.101 -0.13
5 2.668 2.624 -1.64
10 3.187 3.206 0.59
All Rights Reserved Copyright (C) Bee Technologies Inc. 2008
-5-

6. Capacitance Characteristic
Circuit Simulation Result
100p
10p
1.0p
1.0V 10V 30V
I(V2)/(400V/1u)
V(N11503)
Evaluation Circuit
V2
0Vdc
V1 = 0 V1
V2 = 400 D1
TD = 0 DCMH05A
TR = 1u
TF = 50ns
PW = 5us
PER = 10us
0
All Rights Reserved Copyright (C) Bee Technologies Inc. 2008
-6-

7. Comparison Graph
Circuit Simulation Result
Simulation Result
Cj (pF)
Vrev (V) %Error
Measurement Simulation
1 9.200 9.219 0.21
2 7.400 7.679 3.77
5 5.650 5.910 4.61
10 4.580 4.799 4.77
20 3.720 3.892 4.63
30 3.300 3.442 4.30
All Rights Reserved Copyright (C) Bee Technologies Inc. 2008
-7-

8. Reverse Recovery Characteristic
Circuit Simulation Result
400mA
300mA
200mA
100mA
-0mA
-100mA
-200mA
-300mA
-400mA
19.94us 19.98us 20.02us 20.06us 20.10us 20.14us
I(R1)
Time
Evaluation Circuit
R1
50
V1 = -9.1V
V2 = 11.4V
TD = 13ns V1
TR = 10ns D1
TF = 10ns DCMH05A
PER = 50us
PW = 20us
0
Compare Measurement vs. Simulation
Measurement Simulation %Error
trj ns 9.20 8.7667 -4.71
All Rights Reserved Copyright (C) Bee Technologies Inc. 2008
-8-

9. Reverse Recovery Characteristic Reference
Measurement
Trj =9.20(ns)
Trb= 6.40(ns)
Conditions: Ifwd=0.2A,Irev=0.2A, Rl=50
Example
Relation between trj and trb
All Rights Reserved Copyright (C) Bee Technologies Inc. 2008
-9-