BZX79C2V4 データシートの表示（PDF） - Shanghai Lunsure Electronic Tech
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BZX79C2V4 Datasheet PDF : 4 Pages
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BZX79C2V4 thru BZX79C33
100
70
50
30
5% DUTY CYCLE
20
10
10% DUTY CYCLE
7
5
3
20% DUTY CYCLE
2
1
0.01 0.02
0.05 0.1
11ĂV-91ĂV NONREPETITIVE
1.8ĂV-10ĂV NONREPETITIVE
0.2
0.5
1
2
5
10
20
PW, PULSE WIDTH (ms)
Figure 4a. Maximum Surge Power 1.8–91 Volts
RECTANGULAR
WAVEFORM
TJĂ=Ă25°C PRIOR TO
INITIAL PULSE
50 100 200
500 1000
1000
700
500
300
200
100
70
50
30
20
10
7
5
3
2
1
0.01
1000
500
RECTANGULAR
WAVEFORM, TJĂ=Ă25°C
200
100
100-200ĂVOLTS NONREPETITIVE
50
20
10
5
0.1
1
10
100
PW, PULSE WIDTH (ms)
2
1
1000
0.1
Figure 4b. Maximum Surge Power DO-204AH
100–200 Volts
VZĂ=Ă2.7ĂV
47ĂV
27ĂV
6.2ĂV
TJĂ=Ă25°C
iZ(rms)Ă=Ă0.1 IZ(dc)
fĂ=Ă60ĂHz
0.2 0.5 1 2
5 10 20 50 100
IZ, ZENER CURRENT (mA)
Figure 5 Effect of Zener Current on
Zener Impedance
1000
700
500
200
IZĂ=Ă1ĂmA
TJĂ=Ă25°C
iZ(rms)Ă=Ă0.1 IZ(dc)
fĂ=Ă60ĂHz
1000
MAXIMUM
500
MINIMUM
200
100
70
5ĂmA
100
50
50
20
20ĂmA
20
75°C
10
10
7
5
5 150°C
25°C
2
2
0°C
1
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
VZ, ZENER VOLTAGE (VOLTS)
VF, FORWARD VOLTAGE (VOLTS)
Figure 6. Effect of Zener Voltage on Zener Impedance
Figure 7. Typical Forward Characteristics
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