SPICE MODEL of 1SS272 (Professional 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/ PROFESSIONAL
PART NUMBER: 1SS272
MANUFACTURER: TOSHIBA
Bee Technologies Inc.
All Rights Reserved Copyright (C) Bee Technologies Inc. 2008
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2. 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
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3. Forward Current Characteristic
Circuit Simulation Result
100mA
10mA
1.0mA
100uA
10uA
0V 0.2V 0.4V 0.6V 0.8V 1.0V 1.2V
I(R1)
V_V1
Evaluation Circuit
R1
0.01m
V1
0Vdc U1
1SS272_P
0
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4. Comparison Graph
Circuit Simulation Result
Simulation Result
Vfwd (V)
Ifwd (A) %Error
Measurement Simulation
0.00001 0.380 0.381 0.15
0.00002 0.410 0.412 0.39
0.00005 0.455 0.453 -0.50
0.0001 0.485 0.484 -0.22
0.0002 0.515 0.515 0.00
0.0005 0.560 0.557 -0.54
0.001 0.590 0.589 -0.17
0.002 0.620 0.623 0.46
0.005 0.670 0.671 0.14
0.01 0.715 0.713 -0.33
0.02 0.760 0.762 0.26
0.05 0.840 0.838 -0.24
0.1 0.900 0.900 0.00
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5. Capacitance Characteristic
Circuit Simulation Result
1.6p
1.0p
200f
300mV 1.0V 10V 60V
-I(X_U1.X_U1.D_D1)/(80V/1u)
V(N11360)
Evaluation Circuit
V2
0Vdc
V2 = 80 V1
V1 = 0
TD = 0 1SS272_P
TR = 1us U2
TF = 10ns
PW = 20us
PER = 10us
0
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6. Comparison Graph
Circuit Simulation Result
Simulation Result
Ct (pF)
Vrev (V) %Error
Measurement Simulation
0.200 0.889 0.890 0.08
0.500 0.885 0.887 0.22
1.000 0.882 0.883 0.06
2.000 0.870 0.874 0.46
5.000 0.850 0.854 0.45
10.000 0.830 0.828 -0.24
20.000 0.795 0.793 -0.25
40.000 0.750 0.751 0.13
60.000 0.730 0.724 -0.82
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7. Reverse Recovery Characteristic
Circuit Simulation Result
400mA
300mA
200mA
100mA
-0mA
-100mA
-200mA
-300mA
-400mA
19.97us 19.99us 20.01us 20.03us 20.05us 20.07us
I(R1)
Time
Evaluation Circuit
R1
50
V1 = -9.2V V1
V2 = 11V
TD = 0.8ns U1
TR = 5ns 1SS272_P
TF = 10ns
PW = 20us
PER = 50us
0
Compare Measurement vs. Simulation
Measurement Simulation %Error
Trj ns 6.800 6.540 -3.82
Trb ns 2.200 2.128 -3.28
Trr ns 9.000 8.668 -3.69
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8. Reverse Recovery Characteristic Reference
Trj =6.80(ns)
Trb= 2.20 (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
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