1N973B
Fairchild Semiconductor 1N973B, 1N972B, 1N971B, 1N970B, 1N969B Datasheet
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Device
V
Z
(V)
Z
Z
(
Ω
)
I
ZT
(mA)
Z
ZK
(
Ω
)
I
ZK
(mA)
I
R
(
µ
A)
V
R
(V)
T
C
(%/
°
C)
I
ZM
*
(mA)
1N957B
1N958B
1N959B
1N960B
6.8
7.5
8.2
9.1
4.5
5.5
6.5
7.5
18.5
16.5
15
14
700
700
700
700
1.0
0.5
0.5
0.5
150
75
50
25
5.2
5.7
6.2
6.9
0.05
0.058
0.062
0.068
47
42
38
35
1N961B
1N962B
1N963B
1N964B
10
11
12
13
8.5
9.5
11.5
13
12.5
11.5
10.5
9.5
700
700
700
700
0.25
0.25
0.25
0.25
10
5
5
5
7.6
8.4
9.1
9.9
0.072
0.073
0.076
0.079
32
28
26
24
1N965B
1N966B
1N967B
1N968B
15
16
18
20
16
17
21
25
8.5
7.8
7.0
6.2
700
700
750
750
0.25
0.25
0.25
0.25
5
5
5
5
11.4
12.2
13.7
15.2
0.082
0.083
0.085
0.086
21
19
17
15
1N969B
1N970B
1N971B
1N972B
1N973B
22
24
27
30
33
29
33
41
49
58
5.6
5.2
4.6
4.2
3.8
750
750
750
1,000
1,000
0.25
0.25
0.25
0.25
0.25
5
5
5
5
5
16.7
18.2
20.6
22.8
25.1
0.087
0.088
0.090
0.091
0.092
14
13
11
10
9.2
1N957B - 1N973B Series Half Watt Zeners
Absolute Maximum Ratings* TA = 25°C unless otherwise noted
Tolerance: B = 5%
Electrical Characteristics TA = 25°C unless otherwise noted
@
@
@
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
or low duty cycle operations.
*These ratings are limiting values above which the serviceability of the diode may be impaired.
1N957B - 1N973B Series
*IZM (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 operating point, the maximum zener current may be increased and is limited by the derating curve.
Parameter Value Units
Storage Temperature Range -65 to +200
°
C
Maximum Junction Operating Temperature + 175
°
C
Lead Tempera ture (1/16” from case for 10 seconds) + 230
°
C
Total Device Dissipation
Derate above 25
°
C
500
3.33
mW
mW/
°
C
DO-35
Discrete POWER & Signal
Technologies
ã 1997 Fairchild Semiconductor Corporation
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