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Central Semiconductor |
1N957B THRU 1N992B
SILICON ZENER DIODE
6.8 VOLTS THRU 200 VOLTS
500mW, 5% TOLERANCE
w w w. c e n t r a l s e m i . c o m
DESCRIPTION:
The CENTRAL SEMICONDUCTOR 1N957B Series
Silicon Zener Diode is a high quality voltage regulator
designed for use in industrial, commercial, entertainment
and computer applications.
DO-35 CASE
MAXIMUM RATINGS: (TL=75°C)
Power Dissipation
Operating and Storage Junction Temperature
VZ Tolerance: Part number with “B” suffix
VZ Tolerance: Part number with “C” suffix
VZ Tolerance: Part number with “D” suffix
SYMBOL
PD
TJ, Tstg
500
-65 to +200
±5
±2
±1
UNITS
mW
°C
%
%
%
ELECTRICAL CHARACTERISTICS: (TA=25°C) VF=1.5V MAX @ IF=200mA (for all types)
TYPE
1N957B
1N958B
1N959B
1N960B
1N961B
1N962B
1N963B
1N964B
1N965B
1N966B
1N967B
1N968B
1N969B
1N970B
1N971B
1N972B
1N973B
1N974B
1N975B
1N976B
1N977B
1N978B
1N979B
1N980B
1N981B
1N982B
ZENER
VOLTAGE
VZ @ IZT
MIN NOM MAX
VVV
6.460 6.8 7.140
7.125 7.5 7.875
7.790 8.2 8.610
8.645 9.1 9.555
9.500 10 10.50
10.45 11 11.55
11.40 12 12.60
12.35 13 13.65
14.25 15 15.75
15.20 16 16.80
17.10 18 18.90
19.00 20 21.00
20.90 22 23.10
22.80 24 25.20
25.65 27 28.35
28.50 30 31.50
31.35 33 34.65
34.20 36 37.80
37.05 39 40.95
40.85 43 45.15
44.65 47 49.35
48.45 51 53.55
53.20 56 58.80
58.90 62 65.10
64.60 68 71.40
71.25 75 78.75
TEST
CURRENT
MAXIMUM ZENER
IMPEDANCE
IZT
ZZT @ IZT
ZZK @ IZK
mA Ω Ω mA
18.5 4.5 700 1.00
16.5 5.5 700 0.50
15.0 6.5 700 0.50
14.0 7.5 700 0.50
12.5 8.5 700 0.25
11.5 9.5 700 0.25
10.5 11.5 700 0.25
9.5 13.0 700 0.25
8.5 16.0 700 0.25
7.8 17.0 700 0.25
7.0 21.0 750 0.25
6.2 25.0 750 0.25
5.6 29.0 750 0.25
5.2 33.0 750 0.25
4.6 41.0 750 0.25
4.2
49.0
1000
0.25
3.8
58.0
1000
0.25
3.4
70.0
1000
0.25
3.2
80.0
1000
0.25
3.0
93.0
1500
0.25
2.7
105
1500
0.25
2.5
125
2000
0.25
2.2
150
2000
0.25
2.0
185
2000
0.25
1.8
230
2000
0.25
1.7
270
2000
0.25
MAXIMUM
REVERSE
CURRENT
IR @ VR
μA V
150 5.2
75 5.7
50 6.2
25 6.9
10 7.6
5.0 8.4
5.0 9.1
5.0 9.9
5.0 11.4
5.0 12.2
5.0 13.7
5.0 15.2
5.0 16.7
5.0 18.2
5.0 20.6
5.0 22.8
5.0 25.1
5.0 27.4
5.0 29.7
5.0 32.7
5.0 35.8
5.0 38.8
5.0 42.6
5.0 47.1
5.0 51.7
5.0 56.0
MAXIMUM
ZENER
CURRENT
IZM
mA
47
42
38
35
32
28
26
24
21
19
17
15
14
13
11
10
9.2
8.5
7.8
7.0
6.4
5.9
5.4
4.9
4.5
4.0
R1 (27-October 2011)
1N957B THRU 1N992B
SILICON ZENER DIODE
6.8 VOLTS THRU 200 VOLTS
500mW, 5% TOLERANCE
ELECTRICAL CHARACTERISTICS - Continued: (TA=25°C) VF=1.5V MAX @ IF=200mA (for all types)
TYPE
ZENER
VOLTAGE
VZ @ IZT
TEST
CURRENT
MAXIMUM ZENER
IMPEDANCE
MAXIMUM
REVERSE
CURRENT
MAXIMUM
ZENER
CURRENT
MIN NOM MAX
VVV
IZT
ZZT @ IZT
ZZK @ IZK
mA Ω Ω mA
IR @ VR
μA V
IZM
mA
1N983B
77.90 82 86.10
1.5
330
3000
0.25
5.0
62.2
3.7
1N984B
86.45 91 95.55
1.4
400
3000
0.25
5.0
69.2
3.3
1N985B
95.00 100 105.0
1.3
500
3000
0.25
5.0
76.0
3.0
1N986B
104.5 110 115.5
1.1
750
4000
0.25
5.0
83.6
2.7
1N987B
114.0 120 126.0
1.0
900
4500
0.25
5.0
91.2
2.5
1N988B
123.5 130 136.5
0.95
1100
5000
0.25
5.0
98.8
2.3
1N989B
142.5 150 157.5
0.85
1500
6000
0.25
5.0 114.0
2.0
1N990B
152.0 160 168.0
0.80
1700
6500
0.25
5.0 121.6
1.9
1N991B
171.0 180 189.0
0.68
2200
7100
0.25
5.0 136.8
1.7
1N992B
190.0 200 210.0
0.65
2500
8000
0.25
5.0 152.0
1.5
DO-35 CASE - MECHANICAL OUTLINE
w w w. c e n t r a l s e m i . c o m
R1 (27-October 2011)
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