SPICE MODEL of DF3A6.8UFU , PSpice 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: Zener Diode
PART NUMBER: DF3A6.8UFU
MANUFACTURER: TOSHIBA
Bee Technologies Inc.
All Rights Reserved Copyright (c) Bee Technologies Inc. 2010
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2. Circuit Configuration
3
U1
DF3A6_8UFU
1 2
Equivalent circuit
K
Rtonr
VIka S2 10 Eonof f r
VON = 0.8V + ctrlr
+ OUT+ IN+
VOFF = 0V
- - OUT- IN-
RON = 100 Ctonr
ROFF = 2e6 S 10p EVALUE
E1 D1 0
dka
0
IN+ OUT+ 0 0
IN- OUT-
Capacitance Model
EVALUE
0 D2
Rton dak
Eonof f 10 S1
ctrl +
IN+ OUT+ +
IN- OUT- - -
VIak
EVALUE Cton S
0 10p
0 0
0 VON = 0.8V
VOFF = 0V
RON = 1m
ROFF = 2e6
A
PSpice model
Model description
parameter
IS Saturation Current
N Emission Coefficient
RS Series Resistance
CJO Zero-bias Junction Capacitance
M Junction Grading Coefficient
VJ Junction Potential
ISR Recombination Current Saturation Value
TT Transit Time
All Rights Reserved Copyright (c) Bee Technologies Inc. 2010
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3. Forward-Reverse Voltage Characteristic
Circuit Simulation Result
10mA
0A
-10mA
-30V -20V -10V 0V 10V 20V 30V
I(R1)
V(A,K)
Evaluation Circuit
R1
10k
A
V1 U1
VOFF = 0 DF3A6_8UFU
VAMPL = 500
FREQ = 50
R2
K
10k
0
Compare Measurement vs. Simulation
Condition: IR=1mA,IF=1mA
Measurement Simulation %Error
VR V 6.800 6.521 -4.11
VF V 25.000 25.001 0.00
All Rights Reserved Copyright (c) Bee Technologies Inc. 2010
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4. Capacitance Characteristic
Circuit Simulation Result
2.5p
2.0p
1.5p
1.0p
0.5p
0.0V 1.0V 2.0V 3.0V 4.0V 5.0V
I(V2)/(5V/100n)
V(N11503)
Evaluation Circuit
V2
0Vdc
V1 = 0 V1 U1
V2 = 5V DF3A6_8UFU
TD = 0
TR = 100ns
TF = 100ns
PW = 100us
PER = 500us
0
All Rights Reserved Copyright (c) Bee Technologies Inc. 2010
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5. Comparison Graph
Circuit Simulation Result
2.5
Measurement
Simulation
TOTAL CAPACITANCE CT (pF)
2
1.5
1
0.5
0 1 2 3 4 5
REVERSE VOLTAGE VR (V)
Simulation Result
CT (pF)
VR (V) %Error
Measurement Simulation
0.1 1.590 1.587 -0.19
0.2 1.570 1.578 0.52
0.5 1.545 1.558 0.83
1 1.510 1.527 1.13
2 1.460 1.480 1.36
3 1.425 1.445 1.38
4 1.400 1.416 1.16
5 1.380 1.393 0.93
All Rights Reserved Copyright (c) Bee Technologies Inc. 2010
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