1N957B_04 Datasheet, PDF (1/5 Pages) Fairchild Semiconductor – Zeners General Purpose Diodes

Zeners
1N957B - 1N991B
Absolute Maximum Ratings * T_A = 25°C unless otherwise noted
Symbol
Parameter
Value
P_D
Power Dissipation
500
@ TL ≤ 75°C, Lead Length = 3/8”
Derate above 75°C
4.0
T_J, T_STG Operating and Storage Temperature Range -65 to +200
* These ratings are limiting values above which the serviceability of the diode may be impaired.
Units
mW
mW/°C
°C
Tolerance = 5%
DO-35 Glass case
COLOR BAND DENOTES CATHODE
Electrical Characteristics T_A=25°C unless otherwise noted
Device
1N957B
1N958B
1N959B
1N960B
1N961B
Min.
6.46
7.125
7.79
8.645
9.5
V_Z (Volts) (Note 1)
Typ. Max.
6.8
7.14
7.5
7.875
8.2
8.61
9.1
9.555
10
10.5
@ I_Z
(mA)
18.5
16.5
15
14
12.5
Z_Z (Ω) (Note 2)
Z_Z @ I_Z
Z_ZK @ I_ZK
Ω
mA
4.5
700 1.0
5.5
700
0.5
6.5
700 0.5
7.5
700 0.5
8.5
700 0.25
1N962B
1N963B
1N964B
1N965B
1N966B
10.45
11
11.55 11.5
9.5
700 0.25
11.4
12
12.6
10.5
11.5
700 0.25
12.35
13
13.65 9.5
13
700 0.25
14.25
15
15.75 8.5
16
700 0.25
15.2
16
16.8
7.8
17
700 0.25
1N967B
1N968B
1N969B
1N970B
1N971B
17.1
18
19
20
20.9
22
22.8
24
25.652
27
18.9
7.0
21
6.2
23.1
5.6
25.2
5.2
28.35 4.6
21
750 0.25
25
750 0.25
29
750 0.25
33
750 0.25
41
750 0.25
1N972B
1N973B
1N974B
1N975B
1N976B
8.5
30
31.5
4.2
31.35
33
34.65 3.8
34.2
36
37.8
3.4
37.05
39
40.95 3.2
40.85
43
45.15 3.0
49
1000 0.25
58
1000 0.25
70
1000 0.25
80
1000 0.25
93
1500 0.25
1N977B
1N978B
1N979B
1N980B
1N981B
44.65
47
49.35 2.7
48.45
51
53.55 2.5
53.2
56
58.8
2.2
58.9
62
65.1
2.0
64.6
68
71.4
1.8
105
1500 0.25
125
1500 0.25
150
2000 0.25
185
2000 0.25
230
2000 0.25
I_R @ V_R
µA
Volts
150
5.2
75
5.7
50
6.2
25
6.9
10
7.6
5
8.4
5
9.1
5
9.9
5
11.4
5
12.2
5
13.7
5
15.2
5
16.7
5
18.2
5
20.6
5
22.8
5
25.1
5
27.4
5
29.7
5
32.7
5
35.8
5
38.8
5
42.6
5
47.1
5
51.7
I_ZM (mA)
(Note 3)
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
©2004 Fairchild Semiconductor Corporation
1N957B - 1N991B, Rev. E2