LESHAN RADIO COMPANY, LTD.
1N9 SERIES
ZENER DIODES
1N9
1N9 SERIES ZENER DIODES
4.5
5.5
6.5
7.5
8.5
9.5
11.5
13
16
17
21
25
29
33
41
49
58
70
80
93
105
125
150
185
230
270
330
400
500
750
900
1100
1500
1700
2200
2500
700
700
700
700
700
750
750
750
750
750
1000
1000
1000
1000
1500
1500
1500
2000
2000
2000
2000
3000
3000
3000
4000
4500
5000
6000
6500
7100
8000
1
0.5
0.5
0.5
0.25
0.25
150
75
50
25
10
5
0.25
5
0.25
5
0.25
5
0.25
5
0.25
5
Tolerance Designation
The type numbers shown have tolerance designations as follows:
1N957B Senies: VZ ±5%, C for VZ ±2%
5.2
5.7
6.2
6.9
7.6
8.4
9.1
9.9
11.4
12.6
13.7
15.2
16.7
18.2
20.6
22.8
25.1
27.4
29.7
32.7
35.8
38.8
42.6
47.1
51.7
56.0
62.2
69.2
76.0
83.6
91.2
98.8
114
121.6
136.8
152
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
4.1
3.7
3.3
3.0
2.7
2.5
2.3
2.0
1.9
1.7
1.5
29 ± 1
18.5
16.5
15
14
12.5
11.5
10.5
9.5
8.5
7.8
7.0
6.2
5.6
5.2
4.6
4.2
3.8
3.4
3.2
3.0
2.7
2.5
2.2
2.0
1.8
1.7
1.5
1.4
1.3
1.1
1.0
0.95
0.85
0.8
0.68
0.65
Package
Dimensions
3.8 ± 0.2
6.8
7.5
8.2
9.1
10
11
12
13
15
16
18
20
22
24
27
30
33
36
39
43
47
51
56
62
68
75
82
91
100
110
120
130
150
160
180
200
Maximun
DC Zener
Current
mA
29 ± 1
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
1N983B
1N984B
1N985B
1N986B
1N987B
1N988B
1N989B
1N990B
1N991B
1N992B
Max Zener Impedance
Max Reverse
Nominal
Test
A and B Sufflx only
Leakage Current
Zener Current
Voltage
I ZT
ZZK@IZK
Z ZK@I ZK
VR
ZZT @I ZT
IR
Vz@L ZT
mA
Volts
Ohms
mA
Ohms
µAMAX Volts
1.5V I F = 200mA.
F
Φ 0.5 ± 0.1
TYPE
T A = 25°C, V
Φ 1.8 ± 0.2
(T A = 25°C, V F = 1.5V, Max for all types)
DO-35
(mm)
NOTE1.TOLERANCE AND VOLTAGE DESIGNATION
1N957B
B
±5%, C
±2%
5B–1/1
