CMH07 LTspice Model (Free SPICE Model)

1. All Rights Reserved Copyright (C) Bee Technologies Inc. 2008
- 1 -
COMPONENTS:
DIODE/ GENERAL PURPOSE RECTIFIER/ STANDARD
PART NUMBER: CMH07
MANUFACTURER: TOSHIBA
Device Modeling Report
Bee Technologies Inc.

2. All Rights Reserved Copyright (C) Bee Technologies Inc. 2008
- 2 -
SPICE MODEL
*$
* PART NUMBER: CMH07
* MANUFACTURER: TOSHIBA
* All Rights Reserved Copyright (C) Bee Technologies Inc. 2008
.MODEL DCMH07 D
+ IS=19.753E-12
+ N=1.2706
+ RS=14.827E-3
+ IKF=52.844E-3
+ CJO=59.093E-12
+ M=.38078
+ VJ=.3905
+ ISR =0
+ BV=200
+ IBV=10.000E-6
+ TT=19.508E-9
*$

3. All Rights Reserved Copyright (C) Bee Technologies Inc. 2008
- 3 -
DIODE MODEL PARAMETERS
PSpice model
parameter
Model description
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

4. All Rights Reserved Copyright (C) Bee Technologies Inc. 2008
- 4 -
V_V1
0V 0.4V 0.8V 1.2V 1.6V
I(R1)
10mA
100mA
1.0A
10A
100A
Forward Current Characteristic
Circuit Simulation Result
Evaluation Circuit
R1
0.01m
V1
0Vdc
0
D2
DCMH07

5. All Rights Reserved Copyright (C) Bee Technologies Inc. 2008
- 5 -
Comparison Graph
Circuit Simulation Result
Simulation Result
Ifwd (A)
Vfwd (V)
%Error
Measurement Simulation
0.01 0.661 0.662 0.11
0.02 0.687 0.688 0.11
0.05 0.728 0.727 -0.12
0.1 0.768 0.763 -0.60
0.2 0.805 0.806 0.09
0.5 0.867 0.869 0.21
1 0.918 0.921 0.38
2 0.983 0.982 -0.12
5 1.092 1.087 -0.49
10 1.202 1.206 0.36
20 1.401 1.400 -0.05

6. All Rights Reserved Copyright (C) Bee Technologies Inc. 2008
- 6 -
V(N11503)
1.0V 10V 30V
I(V2)/(200V/1u)
1.0p
10p
100p
Capacitance Characteristic
Circuit Simulation Result
Evaluation Circuit
D1
DCMH07
V2
0Vdc
V1
TD = 0
TF = 50ns
PW = 5us
PER = 10us
V1 = 0
TR = 1u
V2 = 200
0

7. All Rights Reserved Copyright (C) Bee Technologies Inc. 2008
- 7 -
Comparison Graph
Circuit Simulation Result
Simulation Result
Vrev (V)
Cj (pF)
%Error
Measurement Simulation
1 36.700 36.446 -0.69
2 29.300 29.637 1.15
5 21.700 21.745 0.21
10 16.800 16.937 0.82
20 13.200 13.095 -0.80
30 11.500 11.261 -2.08

8. All Rights Reserved Copyright (C) Bee Technologies Inc. 2008
- 8 -
Time
19.94us 19.98us 20.02us 20.06us 20.10us 20.14us
I(R1)
-400mA
-300mA
-200mA
-100mA
-0mA
100mA
200mA
300mA
400mA
Reverse Recovery Characteristic
Circuit Simulation Result
Evaluation Circuit
Compare Measurement vs. Simulation
Measurement Simulation %Error
trj ns 13.20 12.792 -3.09
0
V1TD = 8ns
TF = 9ns
PW = 20us
PER = 50us
V1 = -9.3V
TR = 10ns
V2 = 10.8V
R1
50
D2
DCMH07

9. All Rights Reserved Copyright (C) Bee Technologies Inc. 2008
- 9 -
Reverse Recovery Characteristic Reference
Trj =13.20(ns)
Trb= 7.60 (ns)
Conditions: Ifwd=0.2A,Irev=0.2A, Rl=50
Relation between trj and trb
Example
Measurement