8
7
6
100
10
1
5
4
3
2
1
0
-1
-2
-3
2
3
4
5
6
7
8
9
10
11
12
10
100
NOMINAL ZENER VOLTAGE,VOLTS
NOMINAL ZENER VOLTAGE,VOLTS
Fig.2 TEMPERATURE COEFFICENTS
Fig.1 TEMPERATURE COEFFICENTS
1000
100
10
1000
100
10
O
=25 C
Z(AC)=0.1IZ(DC)
T
I
J
F=1 kHZ
I
= 1 mA
Z
5 mA
20 mA
150OC
75OC
5OC
25OC
1
0.4
1
0.5
0.6
0.7
0.8
0.9
1.0
1.1
1.2
1
10
100
NORMAL ZENER VOLTAGE, VOLTS
FORWARD VOLTAGE, VOLTS
Fig.3 EFFECT OF ZENER VOLTAGE ON ZENER IMPEDANCE
Fig.4 TYPICAL FORWARD VOLTAGE
1000
100
TA
=25 oC
0 V BIAS
1 V BIAS
0.6
0.5
T
A
=25OC
0.4
0.3
BIASAT
50% OF V NOM
Z
10
1
0.2
0.1
1
10
100
0
0
25
50
75
100
125
150
NORMAL ZENER VOLTAGE, VOLTS
TEMPERATURE (OC)
Fig.5 STEADY STATE POWER DERATING
Fig.6 TYPICAL CAPACITANCE
PAGE . 3
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