1N957B/D7 [VISHAY]
Zener Diode, 6.8V V(Z), 5%, 0.5W, Silicon, Unidirectional, DO-204AH, GLASS, DO-35, 2 PIN;
| 型号： | 1N957B/D7 |
| 厂家： | 
VISHAY |
| 描述： | Zener Diode, 6.8V V(Z), 5%, 0.5W, Silicon, Unidirectional, DO-204AH, GLASS, DO-35, 2 PIN |
| 文件： | 总2页 (文件大小：36K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
1N957B thru 1N984B
Vishay Semiconductors
formerly General Semiconductor
Zener Diodes
Nominal Zener Voltage 6.8 to 91V
Power Dissipation 500mW
DO-204AH
(DO-35)
Features
• Silicon Planar Power Zener Diodes.
• Standard Zener voltage tolerance is ±5% for
“B” suffix. Other tolerances are available upon request.
Mechanical Data
Case: DO-35 Glass Case
Weight: approx. 0.13g
Packaging Codes/Options:
D7/10K per 13” reel (52mm tape)
D8/10K per Ammo tape (52mm tape)
Dimensions in inches and (millimeters)
Maximum Ratings and Thermal Characteristics (TA = 25°C unless otherwise noted)
Parameter
Symbol
Value
Unit
Zener Current (see Table “Characteristics”)
Power Dissipation at TL = 25°C
Thermal Resistance Junction to Ambient Air
Junction Temperature
Ptot
RθJA
Tj
500(1)
300(1)
mW
°C/W
°C
175
Storage Temperature Range
TS
–65 to +175
°C
Note:
(1) Valid provided that leads at a distance of 3/8” from case are kept at ambient temperature.
Document Number 88307
19-Apr-02
www.vishay.com
1
1N957B thru 1N984B
Vishay Semiconductors
formerly General Semiconductor
Electrical Characteristics (TJ = 25°C unless otherwise noted) Maximum VF = 1.5V at IF = 200mA
Maximum Zener Impedance(1)
Maximum Reverse Current
Nominal
Test
Maximum
Type
Number
Zener Voltage
Current
Regulator Current
(3)
(2)
Z
ZT
@ I
Z
@ I
Maximum I
R
V
Z
I
ZT
I
ZK
I
Test Voltage Vdc
(Volts)
ZT
ZK
ZK
ZM
(Ω)
(Ω)
(µA)
(Volts)
(mA)
(mA)
(mA)
1N957B
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
51
56
62
68
75
82
91
18.5
16.5
15
4.5
700
700
1
58
53
47
43
40
36
32
29
27
24
21
20
18
16
14
13
12
11
10
9.2
8.5
7.8
6.9
6.3
5.7
5.2
4.7
4.3
150
75
50
25
10
5
5.2
5.7
1N958B
1N959B
1N960B
1N961B
1N962B
1N963B
1N964B
1N965B
1N966B
1N967B
1N968B
1N969B
1N970B
1N971B
1N972B
1N973B
1N974B
1N975B
1N976B
1N977B
1N978B
1N979B
1N980B
1N981B
1N982B
1N983B
1N984B
5.5
6.5
7.5
8.5
9.5
11.5
13
0.5
700
0.5
6.2
14
700
0.5
6.9
12.5
11.5
10.5
9.5
8.5
7.8
7
700
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
0.25
0.25
0.25
0.25
0.25
7.6
700
8.4
700
5
9.1
700
5
9.9
16
700
5
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
47.1
51.7
56.0
62.2
69.2
17
700
5
21
750
5
6.2
5.6
5.2
4.6
4.2
3.8
3.4
3.2
3
25
750
5
29
750
5
33
750
5
41
750
5
49
1000
1000
1000
1000
1500
1500
1500
2000
2000
2000
2000
3000
3000
5
58
5
70
5
80
5
93
5
2.7
2.5
2.2
2.0
1.8
1.7
1.5
1.4
105
125
150
185
230
270
330
440
5
5
5
5
5
5
5
5
Notes:
(1) The Zener Impedance is derived from the 1 KH AC voltage which results when an AC current having an RMS value equal to 10% of the
Z
Zener current (I ) is superimposed on I . Zener Impedance is measured at two points to insure a sharp knee on the breakdown curve
ZT
ZT
and to eliminate unstable units.
(2) Valid provided that leads at a distance of 3/8” from case are kept at 25°C ambient temperature.
(3) Measured with device junction in thermal equilibrium.
www.vishay.com
2
Document Number 88307
19-Apr-02
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