1N957B 查看數據表（PDF） - Yea Shin Technology Co., Ltd
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1N957B Datasheet PDF : 9 Pages
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ELECTRICAL CHARACTERISTICS (TA = 25ºC unless
otherwise noted, VF = 1.5 V Max @ IF = 200mA for all types)
Symbol
Parameter
VZ
Reverse Zener Voltage @ IZT
IZT
Reverse Zener Current
ZZT
Maximum Zener Impedance @ IZT
IZM
Maximum DC Zener Current
IR
Reverse Leakage Current @ VR
VR
Reverse Voltage
IF
Forward Current
VF
Forward Voltage @ IF
IZM
Maximum DC Zener Current
1N957B~1N992B
ELECTRICAL CHARACTERISTICS (TA = 25ºC unless otherwise noted, VF = 1.5 V Max @ IF = 200mA for all types)
Device
(Note 2.)
Device
Marking
Zener Voltage (Note 3.)
VZ (Volts)
@ IZT
Min
Nom
Max
(mA)
Zener Impedance (Note 4.)
ZZT @ IZT
ZZK @ IZK
(Ω)
(Ω) (mA)
Leakage Current
IR @ VR
(µA) (Volts)
IZM
(Note 5.)
(mA)
1N957B 1N957B 6.46
6.8
7.14
18.5
4.5
700
1
150
5.2
47
1N958B 1N958B 7.125
7.5
7.875 16.5
5.5
700 0.5
75
5.7
42
1N959B 1N959B 7.79
8.2
8.61
15
6.5
700 0.5
50
6.2
38
1N960B 1N960B 8.645
9.1
9.555
14
7.5
700 0.5
25
6.9
35
1N961B 1N961B
9.5
10
10.5
12.5
8.5
700 0.25
10
7.6
32
1N962B 1N962B 10.45
11
11.55 11.5
9.5
700 0.25
5
1N963B 1N963B 11.4
12
12.6
10.5
11.5
700 0.25
5
1N964B 1N964B 12.35
13
13.65
9.5
13
700 0.25
5
8.4
28
9.1
26
9.9
24
1N965B 1N965B 14.25
15
15.75
8.5
1N966B 1N966B 15.2
16
16.8
7.8
16
700 0.25
5
11.4
21
17
700 0.25
5
12.2
19
1N967B 1N967B 17.1
18
18.9
7
21
750 0.25
5
13.7
17
1N968B 1N968B
19
20
21
6.2
1N969B 1N969B 20.9
22
23.1
5.6
1N970B 1N970B 22.8
24
25.2
5.2
25
750 0.25
5
15.2
15
29
750 0.25
5
16.7
14
33
750 0.25
5
18.2
13
1N971B 1N971B 25.65
27
28.35
4.6
41
750 0.25
5
20.6
11
1N972B 1N972B 28.5
30
31.5
4.2
1N973B 1N973B 31.35
33
34.65
3.8
1N974B 1N974B 34.2
36
37.8
3.4
1N975B 1N975B 37.05
39
40.95
3.2
1N976B 1N976B 40.85
43
45.15
3
49
1000 0.25
5
58
1000 0.25
5
70
1000 0.25
5
80
1000 0.25
5
93
1500 0.25
5
22.8
10
25.1
9.2
27.4
8.5
29.7
7.8
32.7
7
2. TOLERANCE AND TYPE NUMBER DESIGNATION (VZ)
The type numbers listed have a standard tolerance on the nominal zener voltage of ±5%.
3. ZENER VOLTAGE (VZ) MEASUREMENT
Nominal zener voltage is measured with the device junction in the thermal equilibrium at the lead temperature (TL) at 30°C
±1°C and 3/8” lead length.
4. ZENER IMPEDANCE (ZZ) DERIVATION
ZZT and ZZK are measured by dividing the AC voltage drop across the device by the AC current applied. The specified limits
are for IZ(AC) = 0.1 IZ(DC) with AC frequency = 60Hz.
5. MAXIMUM ZENER CURRENT RATINGS (IZM)
Values shown are based on the JEDEC rating of 400mW where the actual zener voltage (VZ) is known at the operating
point, the zener current may be increased and is limited by the derating curve.
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REV.02 20120403
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