1N957B Datasheet, PDF (1/2 Pages) Vishay Siliconix – Silicon Z-Diodes

Transys
Electronics
LIMITED
1N957B to 1N977B
DO- 35
Glass Axial Package
Hermetically Sealed Glass Package Zener Diodes
ABSOLUTE MAXIMUM RATINGS (T_a=25ºC unless specified otherwise )
DESCRIPTION
Zener Voltage
Steady State Power Dissipation
Derating Factor above 50ºC
Operating and Storage Temperature
VALUE
6.8 to 47
400
3.2
-65 to +175
UNIT
V
mW
mW/ºC
ºC
ELECTRICAL CHARACTERISTICS (T_a=25ºC unless specified otherwise )
Device
(Note 1)
* Nominal
Zener
Voltage
V_Z @ I_ZT
Zener
Test
Current
I_ZT
Max Zener
Impedance
Max Reverse
Leakage Current
Z_ZT @
I_ZT
Z_ZK @
Z_ZK
I_ZK
I_R @ V_R
VF < 1.5V max @ I_F=200mA
Max DC Max. Surge
Zener Current Current
(Recurrent)
I_ZM
I_Z ( Surge)
Max Temp.
Coefficient
Voltage
Vz
1N957B
1N958B
1N959B
1N960B
1N961B
1N962B
1N963B
1N964B
1N965B
1N966B
1N967B
1N968B
1N969B
1N970B
1N971B
1N972B
1N973B
1N974B
1N975B
1N976B
1N977B
(Volts)
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
(mA)
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
(Ω)
(Ω) (mA) (µA) (Volts)
4.5 700 1.0 150
5.2
5.5 700 0.5 75
5.7
6.5 700 0.5 50
6.2
7.5 700 0.5 25
6.9
8.5 700 0.25 10
7.6
9.5 700 0.25 5
8.4
11.5 700 0.25 5
9.1
13
700 0.25 5
9.9
16
700 0.25 5
11.4
17
700 0.25 5
12.2
21
750 0.25 5
13.7
25
750 0.25 5
15.2
29
750 0.25 5
16.7
33
750 0.25 5
18.2
41
750 0.25 5
20.6
49 1000 0.25 5
22.8
58 1000 0.25 5
25.1
70 1000 0.25 5
27.4
80 1000 0.25 5
29.7
93 1500 0.25 5
32.7
105 1500 0.25 5
35.8
(mA)
55
50
45
41
38
32
31
28
25
24
20
18
16
15
13
12
11
10
9.5
8.8
7.9
(mA)
300
275
250
225
200
175
160
150
130
120
110
100
90
80
70
65
60
55
46
44
40
% / ºC
+0.05
+0.058
+0.065
+0.068
+0.075
+0.076
+0.077
+0.079
+0.082
+0.083
+0.085
+0.086
+0.087
+0.088
+0.090
+0.091
+0.092
+0.093
+0.094
+0.095
+0.095
Note (1) : Part No. suffix specifies the Tolerance of V_Z
No Suffix = +/- 20%
Suffix A = +/- 10%
Suffix B = +/- 5%
* Pulse Condition : 20mS < tp 50mS, Duty Cycle <2%