1N4370A Series
100
RECTANGULAR
WAVEFORM
T Ă=Ă25°C PRIOR TO
J
INITIAL PULSE
70
50
11ĂV-91ĂV NONREPETITIVE
1.8ĂV-10ĂV NONREPETITIVE
30
20
5% DUTY CYCLE
10
7
10% DUTY CYCLE
20% DUTY CYCLE
5
3
2
1
0.01
0.02
0.05
0.1
0.2
0.5
1
2
5
10
20
50
100
200
500 1000
PW, PULSE WIDTH (ms)
Figure 7a. Maximum Surge Power 1.8–91 Volts
1000
500
1000
700
500
T Ă=Ă25°C
J
i (rms)Ă=Ă0.1 I (dc)
V Ă=Ă2.7ĂV
Z
Z
fĂ=Ă60ĂHz
Z
RECTANGULAR
WAVEFORM, T Ă=Ă25°C
300
200
J
200
100
47ĂV
27ĂV
100
70
50
50
20
100-200ĂVOLTS NONREPETITIVE
30
20
6.2ĂV
10
7
5
10
5
3
2
2
1
1
0.01
0.1
1
10
100
1000
0.1
0.2
0.5
1
2
5
10
20
50 100
PW, PULSE WIDTH (ms)
I , ZENER CURRENT (mA)
Z
Figure 7b. Maximum Surge Power DO-204AH
100–200 Volts
Figure 8. Effect of Zener Current on
Zener Impedance
1000
700
500
1000
500
T Ă=Ă25°C
J
i (rms)Ă=Ă0.1 I (dc)
MAXIMUM
MINIMUM
Z
fĂ=Ă60ĂHz
Z
I Ă=Ă1ĂmA
Z
200
200
100
70
50
100
50
5ĂmA
20ĂmA
20
20
10
5
75°C
10
7
5
25°C
0°C
150°C
2
1
2
1
1
2
3
5
7
10
20 30
50 70 100
0.4
0.5
0.6
0.7
0.8
0.9
1
1.1
V , ZENER VOLTAGE (VOLTS)
Z
V , FORWARD VOLTAGE (VOLTS)
F
Figure 9. Effect of Zener Voltage on Zener Impedance
Figure 10. Typical Forward Characteristics
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