1N957B-1N973BSeries Fairchild Semiconductor, 1N957B-1N973BSeries Datasheet
1N957B-1N973BSeries
Manufacturer Part Number
1N957B-1N973BSeries
Description
Half Watt Zener
Manufacturer
Fairchild Semiconductor
Datasheet
1.1N957B-1N973BSERIES.pdf
(3 pages)
2001 Fairchild Semiconductor Corporation
P
T
T
Symbol
1N957B
1N958B
1N959B
1N960B
1N961B
1N962B
1N963B
1N964B
1N965B
1N966B
1N967B
1N968B
1N969B
1N970B
1N971B
1N972B
1N973B
STG
J
*
NOTES:
1) These ratings are based on a maximum junction temperature of 200 degrees C.
2) These are steady state limits. The factory should be consulted on applications involving pulsed
*
operating point, the maximum zener current may be increased and is limited by the derating curve.
D
Electrical Characteristics
Absolute Maximum Ratings*
These ratings are limiting values above which the serviceability of the diode may be impaired.
Device
I
ZRM
or low duty cycle operations.
(Maximum Zener Current Rating) Values shown are based on the JEDEC rating of 400 milliwatts. Where the actual zener voltage (VZ) is known at the
Power Dissipation
Storage Temperature Range
Operating Junction Temperature
Lead Temperature (1/16” from case for 10
seconds)
V
6.8
7.5
8.2
9.1
10
11
12
13
15
16
18
20
22
24
27
30
33
Z
(V)
Parameter
Z
11.5
4.5
5.5
6.5
7.5
8.5
9.5
Z
13
16
17
21
25
29
33
41
49
58
( )
@
I
1N957B - 1N973B
Z
18.5
16.5
12.5
11.5
10.5
(mA)
9.5
8.5
7.8
7.0
6.2
5.6
5.2
4.6
4.2
3.8
15
14
T
A
= 25°C unless otherwise noted
T
Z
A
1,000
1,000
= 25°C unless otherwise noted
Zeners
ZK
700
700
700
700
700
700
700
700
700
700
750
750
750
750
750
( )
@
Value
-65 to
+ 175
+ 230
+200
I
500
ZK
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
1.0
0.5
0.5
0.5
(mA)
Units
mW
I
R
150
C
C
C
( A)
75
50
25
10
5
5
5
5
5
5
5
5
5
5
5
5
@
V
11.4
12.2
13.7
15.2
16.7
18.2
20.6
22.8
25.1
5.2
5.7
6.2
6.9
7.6
8.4
9.1
9.9
R
(V)
COLOR BAND DENOTES CATHODE
Tolerance: B = 5%
(%/ C)
0.058
0.062
0.068
0.072
0.073
0.076
0.079
0.082
0.083
0.085
0.086
0.087
0.088
0.090
0.091
0.092
0.05
T
DO-35
C
1N957B-1N973B Rev. C
I
ZRM
9.2
47
42
38
35
32
28
26
24
21
19
17
15
14
13
11
10
*
(mA)
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1N957B-1N973BSeries Summary of contents
Page 1
... Absolute Maximum Ratings* Symbol Parameter P Power Dissipation D T Storage Temperature Range STG T Operating Junction Temperature J Lead Temperature (1/16” from case for 10 seconds) * These ratings are limiting values above which the serviceability of the diode may be impaired. NOTES: 1) These ratings are based on a maximum junction temperature of 200 degrees C. ...
Page 2
... I - ZENER CURRENT (mA) Z º 125 C A º º º º ZENER CURRENT (mA) Z º 125 C A º 100 C A º º º ZENER CURRENT (mA) Z 1N957B-1N973B Rev ...
Page 3
... TRADEMARKS The following are registered and unregistered trademarks Fairchild Semiconductor owns or is authorized to use and is not intended exhaustive list of all such trademarks. ACEx™ FAST Bottomless™ FASTr™ FRFET™ CoolFET™ GlobalOptoisolator™ CROSSVOLT™ GTO™ DenseTrench™ ...