The document details a device modeling report for the 1SS405 Schottky rectifier by Toshiba Bee Technologies. It includes parameters such as saturation current, series resistance, and junction capacitance, along with circuit simulation results that compare measured values to simulations with corresponding errors. The report contains various simulation graphs and data illustrating the diode's performance characteristics under different conditions.

1. Device Modeling Report
COMPONENTS:
DIODE/ SCHOOTTKY RECTIFIER / STANDARD
PART NUMBER: 1SS405
MANUFACTURER: TOSHIBA
Bee Technologies Inc.
All Rights Reserved Copyright (C) Bee Technologies Inc. 2004

2. 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. 2004

3. Forward Current Characteristic
Circuit Simulation Result
Evaluation Circuit
R1
0.001m
D1
V1
0Vdc
1SS405
0
All Rights Reserved Copyright (C) Bee Technologies Inc. 2004

4. Comparison Graph
Circuit Simulation Result
Simulation Result
Vfwd(V) Vfwd(V)
Ifwd(A) %Error
Measurement Simulation
1.00E-06 0.150 0.150 0.20
1.00E-05 0.210 0.210 0.19
1.00E-04 0.270 0.269 -0.22
1.00E-03 0.331 0.330 -0.30
1.00E-02 0.401 0.400 -0.25
5.00E-02 0.490 0.490 -0.02
All Rights Reserved Copyright (C) Bee Technologies Inc. 2004

5. Junction Capacitance Characteristic
Circuit Simulation Result
Evaluation Circuit
V2
V2 = 20 0Vdc
V1 = 0
TD = 0
TR = 10ns V1 D1
TF = 50ns
PW = 5us
PER = 10us
1SS405
0
All Rights Reserved Copyright (C) Bee Technologies Inc. 2004

6. Comparison Graph
Circuit Simulation Result
Simulation Result
Cj(pF) Cj(pF)
Vrev(V) %Error
Measurement Simulation
0.01 3.655 3.650 -0.14
0.03 3.610 3.512 -2.71
0.1 3.500 3.523 0.66
0.3 3.250 3.262 0.37
1 2.780 2.781 0.04
3 2.250 2.268 0.80
10 1.750 1.749 -0.06
20 1.500 1.498 -0.13
All Rights Reserved Copyright (C) Bee Technologies Inc. 2004