This document is a device modeling report for a silicon carbide Schottky diode (part number: scs110ag_-25c) manufactured by ROHM. It includes SPICE model parameters, simulation results for forward current, junction capacitance, and reverse recovery characteristics, with comparisons to measured data. The report is copyright protected by Bee Technologies Inc.

1. Device Modeling Report
COMPONENTS: Silicon Carbide Schottky Diode
PART NUMBER: SCS110AG_-25c
MANUFACTURER: ROHM
REMARK: Professional Model
REPORT:(LTspice IV)
Bee Technologies Inc.
All Rights Reserved Copyright (C) Bee Technologies Inc. 2010

2. Spice 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. 2010

3. Forward Current Characteristic
Circuit Simulation Result
Evaluation Circuit
All Rights Reserved Copyright (C) Bee Technologies Inc. 2010

4. Comparison Graph
Circuit Simulation Result
100.000
Measurement
Simulation
10.000
FORWARD CURRENT: IF(A)
1.000
0.100
0.010
0.001
0.0 0.5 1.0 1.5 2.0 2.5
FORWARD VOLTAGE: VF(V)
Simulation Result
VF(V)
IF(A) Error (%)
Measurement Simulation
0.001 0.9500 0.9471 -0.30
0.01 1.0100 1.0070 -0.30
0.1 1.0700 1.0695 -0.05
0.2 1.0900 1.0908 0.07
0.5 1.1250 1.1244 -0.05
1 1.1600 1.1589 -0.09
2 1.2050 1.2100 0.41
5 1.3300 1.3332 0.24
10 1.5100 1.5170 0.46
15 1.7000 1.6933 -0.39
All Rights Reserved Copyright (C) Bee Technologies Inc. 2010

5. Junction Capacitance Characteristic
Circuit Simulation Result
Evaluation Circuit
All Rights Reserved Copyright (C) Bee Technologies Inc. 2010

6. Comparison Graph
Circuit Simulation Result
1000
Measurement
CAPACITANCE BETWEEN TERMINAL: Ct(pF)
Simulation
100
10
1
0.1 1 10 100
REVERSE VOLTAGE:VR(V)
Simulation Result
C (pF)
VR(V) Error (%)
Measurement Simulation
0.1 495.522 500.945 1.09
0.2 478.484 484.972 1.36
0.5 432.707 437.279 1.06
1 381.755 382.943 0.31
2 315.733 317.098 0.43
5 227.287 228.635 0.59
10 170.646 171.457 0.48
20 125.176 125.891 0.57
50 82.750 82.216 -0.65
100 60.545 59.210 -2.20
All Rights Reserved Copyright (C) Bee Technologies Inc. 2010

7. Reverse Recovery Characteristic
Circuit Simulation Result
Time (s)
Evaluation Circuit
Compare Measurement vs. Simulation
Measurement Simulation Error (%)
trj ns 7.500 7.468 -0.42
All Rights Reserved Copyright (C) Bee Technologies Inc. 2010

8. Reverse Recovery Characteristic Reference
Measurement
Trj =7.5(ns)
Trb=16.0(ns)
Conditions: Ifwd=0.2A, Irev=0.2A, Rl=50Ω
Example
Relation between trj and trb
All Rights Reserved Copyright (C) Bee Technologies Inc. 2010

9. Reverse Characteristic
Circuit Simulation Result
Evaluation Circuit
All Rights Reserved Copyright (C) Bee Technologies Inc. 2010

10. Comparison Graph
Circuit Simulation Result
100000
Measurement
Simulation
10000
REVERSE CURRENT:IR(nA )
1000
100
10
1
0 100 200 300 400 500 600
REVERSE VOLTAGE：VR(V)
Simulation Result
IR(nA)
VR(V) Error (%)
Measurement Simulation
20 2.1000 2.0962 -0.18
100 2.3000 2.2804 -0.85
200 2.6590 2.6677 0.33
300 4.3000 4.2257 -1.73
400 14.0000 14.3290 2.35
500 83.0000 86.7290 4.49
600 640.0000 613.3040 -4.17
All Rights Reserved Copyright (C) Bee Technologies Inc. 2010