BZX55C2V4 through BZX55C91 Series
100
P
pk
, PEAK SURGE POWER (WATTS)
70
50
30
20
10
7
5
3
2
1
0.01
20% DUTY CYCLE
5% DUTY CYCLE
11V-91V NONREPETITIVE
1.8V-10V NONREPETITIVE
RECT ANGULAR
WAVEFORM
T
J
= 25°C PRIOR TO
INITIAL PULSE
10% DUTY CYCLE
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
700
500
Ppk , PEAK SURGE POWER (WATTS)
300
200
100
70
50
30
20
10
7
5
3
2
1
0.01
0.1
1
10
100
1000
RECT ANGULAR
WAVEFORM, TJ = 25
°
C
1000
500
V
Z
= 2.7V
T
J
= 25
°
C
iZ (rms) = 0.1 Iz(dc)
f = 60 Hz
Z Z , DYNAMIC IMPEDANCE (OHMS)
200
100
50
20
10
5
2
1
0.1
0.2
0.5
1
2
5
10
20
50
100
6.2V
47V
27V
100-200 VOLTS NONREPETITIVE
PW, PULSE WIDTH (ms)
IZ , ZENER CURRENT (mA)
Figure 7b. Maximum Surge Power DO-35
100-200Volts
Figure 8. Effect of Zener Current on
Zener Impedance
1000
700
500
Z Z , DYNAMIC IMPEDANCE (OHMS)
I
Z
= 1mA
200
100
70
50
20
10
7
5
2
1
1
2
3
5
7
10
5mA
T
J
= 25
°
C
i
Z
(rms) = 0.1 I
Z
(dc)
f = 60Hz
1000
MAXIMUM
500
I F , FOR WARD CURRENT (mA)
200
100
50
20
10
5 150
°
C
2
1
25
°
C
0
°
C
75
°
C
MINIMUM
20mA
20
30
50
70 100
0.4
0.5
0.6
0.7
0.8
0.9
1
1.1
V Z , ZENER VOLTAGE (VOLTS)
V F , FOR WARD VOLTAGE (VOLTS)
Figure 9. Effect of Zener Voltage on Zener Impedance
Figure 10. Typical Forward Characteristics
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