1N973 [LUNSURE]
0.5W SILICON PLANAR ZENER DIODES; 0.5W硅平面齐纳二极管
| 型号： | 1N973 |
| 厂家： | 
Lunsure Electronic |
| 描述： | 0.5W SILICON PLANAR ZENER DIODES |
| 文件： | 总2页 (文件大小：44K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
CE
1N957 THRU 1N978
0.5W SILICON PLANAR ZENER DIODES
CHENYI ELECTRONICS
FEATURES
. Silicon planar power zener diodes
. Standards zener voltage tolerance is 20%.Add suffix "A" for 10%
tolerance and suffix "B" for 5% tolerance other tolerance, non
standards and higher zener voltage upon request
MECHANICAL DATA
. Case: DO-35 glass case
. Polarity: Color band denotes cathode end
. Weight: Approx. 0.13gram
ABSOLUTE MAXIMUM RATINGS(LIMITING VALUES)(TA=25
)
Symbols
Units
Value
Zener current see table "Characteristics"
Power dissipation at TA=75
Junction temperature
Ptot
TJ
5001)
175
mW
Storage temperature range
TSTG
-65 to + 175
1)Valid provided that at a distance of 8mm from case are kept at ambient temperature(DO-35)
ELECTRICAL CHARACTERISTICS(TA=25
)
Symbols
Min.
Typ.
Max.
300 1)
1.5
Units
Thermal resistance junction to ambient
Forward voltage at IF=200mA
R
JA
/W
VF
1)Valid provided that leads at a distance of 8mm from case are kept at ambient temperature
Copyright @ 2000 SHANGHAI CHENYI ELECTRONICS CO.,LTD
Page 1 of 2
CE
1N957 THRU 1N978
0.5W SILICON PLANAR ZENER DIODES
CHENYI ELECTRONICS
1N957…1N978 SILICON PLANAR ZENER DIODES
Maximum Reverse
Maximum
Regulator
Maximum
zener
Typical
Zener Voltage Range3)
Tempetature
coefficient
Leakage Current
Type
impedence1)
ZZK
Current
IZM 2)
mA
47
Test-Voltage
IR 2)
VZNOM
V
IZT
ZZT
IZK
mA
1
suffix A
suffix B
V
mA
%/
A
V
18.5
150
4.9
1N957
1N958
1N959
1N960
1N961
1N962
1N963
1N964
1N965
1N966
1N967
1N968
1N969
1N970
1N971
1N972
1N973
1N974
1N975
1N976
1N977
1N978
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
4.5
0.050
0.058
0.062
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
0.096
5.2
16.5
15
75
50
10
5.4
5.9
5.7
42
0.5
6.2
38
5.5
14
6.6
6.9
35
12.5
11.5
10.5
9.5
8.5
7.8
7
7.2
7.6
32
700
5
8
5
11.5
13
8.4
28
8.6
9.1
26
9.4
9.9
24
10.8
11.5
13
16
11.4
12.2
13.7
15.2
16.7
21
17
19
21
17
6.2
5.6
5.2
4.6
4.2
3.8
3.4
3.2
3
14.4
15.8
17.3
19.4
21.6
23.8
25.9
28.1
31
25
15
750
29
14
0.25
33
18.2
20.6
14
5
41
11
22.8
25.1
27.4
29.7
32.7
35.8
38.8
49
10
58
9.0
8.5
7.8
7.0
6.4
5.9
1000
1500
70
80
93
2.7
2.5
33.8
36.7
105
125
Notes:
(1)The Zener impedance is derived from the 1kHz Ac voltage which results when an AC current having an RMS value equal to 10%
of the Zener current (IZT) is suprimposed on IZT Zener impedance is measured at two points to insure a sharp knee on the
breakdown curve and to eliminate unstable units.
(2)Valid provided that leads are kept at ambient temperature at a distance of 8mm from case
(3) Measured with device junction in thermal equilibrium.
Copyright @ 2000 SHANGHAI CHENYI ELECTRONICS CO.,LTD
Page 2 of 2
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