1N977B Fairchild Semiconductor, 1N977B Datasheet
1N977B
Manufacturer Part Number
1N977B
Description
DIODE ZENER 47V 500MW DO-35
Manufacturer
Fairchild Semiconductor
Datasheet
1.1N964B_T50A.pdf
(4 pages)
Specifications of 1N977B
Voltage - Zener (nom) (vz)
47V
Current - Reverse Leakage @ Vr
5µA @ 35.8V
Tolerance
±5%
Power - Max
500mW
Impedance (max) (zzt)
105 Ohm
Mounting Type
Through Hole
Package / Case
DO-204AH, DO-35, Axial
Operating Temperature
-65°C ~ 200°C
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Voltage - Forward (vf) (max) @ If
-
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©2007 Fairchild Semiconductor Corporation
1N957B - 1N979B Rev. F1
1N957B - 1N979B
Zener Diodes
Absolute Maximum Ratings *
* These ratings are limiting values above which the serviceability of the diode may be impaired.
Electrical Characteristics
P
T
1N957B
1N958B
1N959B
1N960B
1N961B
1N962B
1N963B
1N964B
1N965B
1N966B
1N967B
1N968B
1N969B
1N970B
1N971B
1N972B
1N973B
1N974B
1N975B
1N976B
1N977B
1N978B
1N979B
J
D
, T
Device
Symbol
STG
25.652
7.125
8.645
10.45
12.35
14.25
31.35
37.05
40.85
44.65
48.45
Power Dissipation
@ TL ≤ 75°C, Lead Length = 3/8”
Derate above 75°C
Operating and Storage Temperature Range
Min.
6.46
7.79
15.2
17.1
20.9
22.8
34.2
53.2
11.4
9.5
8.5
19
V
Typ.
Z
6.8
7.5
8.2
9.1
10
12
13
15
16
18
20
22
24
27
30
33
36
39
43
47
51
56
11
(Volts)
(Note 1)
7.875
9.555
13.65
15.75
28.35
34.65
40.95
45.15
49.35
53.55
11.55
Max.
7.14
8.61
10.5
12.6
16.8
18.9
23.1
25.2
31.5
37.8
58.8
T
21
A
=25°C unless otherwise noted
Parameter
T
A
= 25°C unless otherwise noted
(mA)
@ I
18.5
16.5
12.5
10.5
11.5
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
15
14
COLOR BAND DENOTES CATHODE
Z
DO-35 Glass case
Tolerance = 5%
Z
Z
11.5
105
125
150
4.5
5.5
6.5
7.5
8.5
9.5
1
13
16
17
21
25
29
33
41
49
58
70
80
93
@ I
Z
Z
Z
(Ω)
1000
1000
1000
1000
1500
1500
1500
2000
700
700
700
700
700
700
700
700
700
700
750
750
750
750
750
Ω
(Note 2)
Z
ZK
@ I
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
0.25
0.25
0.25
0.25
0.25
0.25
ZK
mA
1.0
0.5
0.5
0.5
-65 to +200
150
μA
75
50
25
10
Value
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
500
4.0
I
R
@ V
R
Volts
11.4
12.2
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
5.2
5.7
6.2
6.9
7.6
8.4
9.1
9.9
June 2007
www.fairchildsemi.com
mW/°C
I
Units
ZM
mW
(Note 3)
°C
9.2
8.5
7.8
7.0
6.4
5.9
5.4
47
42
38
35
32
28
26
24
21
19
17
15
14
13
11
10
(mA)
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1N977B Summary of contents
Page 1
... Fairchild Semiconductor Corporation 1N957B - 1N979B Rev. F1 Tolerance = 5% DO-35 Glass case COLOR BAND DENOTES CATHODE T = 25°C unless otherwise noted A Parameter T =25°C unless otherwise noted ...
Page 2
... The maximum current handling capability on a worst case basis is limited by the actual zener voltage at the operation point and the power derating curve. Top Mark Information Device 1N957B 1N958B 1N959B 1N960B 1N961B 1N962B 1N963B 1N964B 1N965B 1N966B 1N967B 1N968B 1N969B 1N970B 1N971B 1N972B 1N973B 1N974B 1N975B 1N976B 1N977B 1N978B 1N979B 1N957B - 1N979B Rev Line 1 Line 2 LOGO 57 LOGO 58 LOGO 59 LOGO 60 LOGO 61 LOGO 62 LOGO 63 LOGO 64 ...
Page 3
Top Mark Information (Continued General Requirements: 1.0 Cathode Band 2.0 First Line Fairchild Logo 3.0 Second Line: Device name - For 1Nxx series: 4 For BZxx series: 5 4.0 Third Line: Device name - For ...
Page 4
... 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™ Across the board. Around the world.™ ActiveArray™ Bottomless™ Build it Now™ CoolFET™ CROSSVOLT™ ...