1. All Rights Reserved Copyright (C) Bee Technologies Inc. 2004
COMPONENTS:
DIODE/ GENERAL PURPOSE RECTIFIER/ STANDARD
PART NUMBER: 1S1887
MANUFACTURER: TOSHIBA
REMARK: TC=25C
Device Modeling Report
Bee Technologies Inc.
2. All Rights Reserved Copyright (C) Bee Technologies Inc. 2004
SPICE MODEL
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
*$
* PART NUMBER: 1S1887
* MANUFACTURER: TOSHIBA
* All Rights Reserved Copyright (C) Bee Technologies Inc. 2004
.MODEL 1S1887 D
+ IS=4.6505E-9
+ N=1.6665
+ RS=17.901E-3
+ IKF=2.2411
+ ISR=0
+ CJO=55.707E-12
+ M=.38303
+ VJ=.45192
+ BV=400
+ IBV=10.000E-6
+ TT=3.7222E-6
*$
3. All Rights Reserved Copyright (C) Bee Technologies Inc. 2004
R1
0.01m
V1
0Vdc
D1
1S1887
0
Forward Current Characteristic
Circuit Simulation Result
Evaluation Circuit
7. All Rights Reserved Copyright (C) Bee Technologies Inc. 2004
D1
1S1887
R1
50
0
V1
TD = 0
TF = 10ns
PW = 20us
PER = 50us
V1 = -9.19V
TR = 10ns
V2 = 10.7V
Reverse Recovery Characteristic
Circuit Simulation Result
Evaluation Circuit
Compare Measurement vs. Simulation
Measurement Simulation %Error
trr 2.58 us 2.58 us 0.19
8. All Rights Reserved Copyright (C) Bee Technologies Inc. 2004
Reverse Recovery Characteristic Reference
Trj =1.24(us)
Trb=1.34(us)
Conditions: Ifwd=Irev=0.2(A), Rl=50
Example
Relation between trj and trb
Measurement