1N957B Просмотр технического описания (PDF) - Tak Cheong Electronics (Holdings) Co.,Ltd
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Компоненты Описание
производитель
1N957B
Tak Cheong Electronics (Holdings) Co.,Ltd
1N957B Datasheet PDF : 3 Pages
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®
TAK CHEONG
Licensed by ON Semiconductor,
A trademark of semiconductor
Components Industries, LLC for
Zener Technology and Products.
ELECTRICAL CHARACTERIZATION (TA = 25°C unless otherwise noted)
Device Device
(Note 2.) Marking
Zener Voltage (Note 3.)
VZ (Volts)
@IZT
Zener Impedance (Note 4.)
ZZT @IZT
ZZK @IZK
Min
Nom Max
(mA)
(Ω)
(Ω) (mA)
Leakage Current
IR @VR = 1V
(uA) (Volts)
IZM
(Note 5.)
(mA)
1N957B 1N957B 6.460
6.8
7.140
18.5
4.5
700
1
150
5.2
47
1N958B 1N958B 7.125
7.5
8.875
16.5
5.5
700
0.5
75
5.7
42
1N959B 1N959B 7.790
8.2
8.610
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 9.500
10 10.500 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
8.4
28
1N963B 1N963B 11.40
12
12.60
10.5
11.5
700
0.25
5
9.1
26
1N964B 1N964B 12.35
13
13.65
9.5
13
700
0.25
5
9.9
24
1N965B 1N965B 14.25
15
15.75
8.5
16
700
0.25
5
11.4
21
1N966B 1N966B 15.20
16
16.8
7.8
17
700
0.25
5
12.2
19
1N967B 1N967B 17.10
18
18.90
7
1N968B 1N968B 19.00
20
21.00
6.2
1N969B 1N969B 20.90
22
23.10
5.6
1N970B 1N970B 22.80
24
25.20
5.2
1N971B 1N971B 25.65
27
28.35
4.6
21
750
0.25
5
13.7
17
25
750
0.25
5
15.2
15
29
750
0.25
5
16.7
14
33
750
0.25
5
18.2
13
41
750
0.25
5
20.6
11
1N972B 1N972B 28.50
30
31.50
4.2
1N973B 1N973B 31.35
33
34.65
3.8
1N974B 1N974B 34.20
36
37.80
3.4
1N975B 1N975B 37.05
39
40.95
3.2
1N976B 1N976B 40.85
43
45.15
3.0
49
1000 0.25
5
22.8
10
58
1000 0.25
5
25.1
9.2
70
1000 0.25
5
27.4
8.5
80
1000 0.25
5
29.7
7.8
93
1500 0.25
5
32.7
7
1N977B 1N977B 44.65
47
49.35
2.7
105
1500 0.25
5
35.8
6.4
1N978B 1N978B 48.45
51
53.55
2.5
125
1500 0.25
5
38.8
5.9
1N979B 1N979B 53.20
56
58.80
2.2
150
2000 0.25
5
42.6
5.4
1N980B 1N980B 58.90
62
65.10
2.0
185
2000 0.25
5
47.1
4.9
1N981B 1N981B 64.60
68
71.40
1.8
230
2000 0.25
5
51.7
4.5
1N982B 1N982B 71.25
75
78.75
1.7
270
2000 0.25
5
56.0
4.1
1N983B 1N983B 77.90
82
85.10
1.5
330
3000 0.25
5
62.2
3.7
1N984B 1N984B 86.45
91
95.55
1.4
400
3000 0.25
5
69.2
3.3
1N985B 1N985B 95.00 100 105.0
1.3
500
3000 0.25
5
76.0
3.0
1N986B 1N986B 104.5 110 115.5
1.1
750
4000 0.25
5
83.6
2.7
1N987B 1N987B 114.0 120 126.0
1
900
4500 0.25
5
91.2
2.5
1N988B 1N988B 123.5 130 136.5 0.95
1100 5000 0.25
5
98.8
2.3
1N989B 1N989B 142.5 150 157.5 0.85
1500 6000 0.25
5
114.0
2.0
1N990B 1N990B 152.0 160 168.5 0.80
1700 6500 0.25
5
121.6
1.9
1N991B 1N991B 171.0 180 189.5 0.68
2200 7100 0.25
5
136.8
1.7
1N992B 1N992B 190.0 200 210.0 0.65
2500 8000 0.25
5
152.0
1.5
VF Forward Voltage = 1.5V max @ IF = 200mA for all types
2. TOLERANCE AND VOLTAGE DESIGNATION
The type numbers listed have a standard tolerance on the nominal zener voltage of ±5%.
3. ZENER VOLTAGE (VZ) MEASUREMENT
The zener voltage (VZ) is tested under pulse condition. The measured VZ is guaranteed to be within specification with device
junction in thermal equilibrium.
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 operation point, the
zener current may be increased and is limited by the derating curve.
November 2006 / C
Page 2
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