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Micro Commercial Components |
MCC
omponents
21201 Itasca Street Chatsworth
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• Zener Voltage 6.8V to 51V
• Silicon Planar Power Zener Diodes
• Standards zener voltage tolerance is ±20%, Add suffix “A” for
±10% tolerance and suffix “B” for ±5% tolerance, non standards
and higher zener voltage upon request
1N957
THRU
1N978
0.5W Silicon Planar
Zener Diodes
0HFKDQLFDO'DWD
• Case: DO-35 glass case
• Polarity: Color band denotes cathode end
• Weight: Approx. 0.13 gram
0D[LPXP5DWLQJV
Zener Current
Power Dissipation
@ TA=25oC
Junction Temperature
Storage Temperature
Range
Symbol
Ptot
TJ
TSTG
Value
See Table 1
500
175
-65 to 175
Units
mW
oC
oC
(OHFWULFDO &KDUDFWHULVWLFV # °& 8QOHVV 2WKHUZLVH 6SHFLILHG
Thermal resistance
Forward Voltage
@ IF=200mA
Symbol
R-$
VF
Maximum
300
1.5
Unit
oC/W
V
NOTE:
Valid provided that a distance of 8mm from case are kept at
ambient temperature
DO-35
D
A
Cathode
Mark
B
D
C
DIMENSIONS
INCHES
DIM MIN MAX
A --- .166
B --- .079
C --- .020
D 1.000 ---
MM
MIN
---
---
---
25.40
MAX
4.2
2.00
.52
---
NOTE
www.mccsemi.com
1N957 thru 1N978
MCC
MCC
PART
NUMBER
1N957
1N958
1N959
1N960
1N961
1N962
1N963
1N964
1N965
1N966
1N967
1N968
1N969
1N970
1N971
1N972
1N973
1N974
1N975
1N976
1N977
1N978
ZENER
VOLTAGE3)
@TEST
CURRENT
VZ IZT
V mA
6.8 18.5
7.5 16.5
8.2 15
9.1 14
10 12.5
11 11.5
12 10.5
13 9.5
15 8.5
16 7.8
18 7.0
20 6.2
22 5.6
24 5.2
27 4.6
30 4.2
33 3.8
36 3.4
39 3.2
43 3.0
47 2.7
51 2.5
MAXIMUM ZENER
IMPEDANCE1)
ZZT ZZK IZK
mA
4.5 700 1.0
5.5 700 0.5
5.5 700 0.5
5.5 700 0.5
5.5 700 0.25
5 700 0.25
11.5 700 0.25
13 700 0.25
16 700 0.25
17 700 0.25
21 750 0.25
25 750 0.25
29 750 0.25
33 750 0.25
41 750 0.25
49 1000 0.25
58 1000 0.25
70 1000 0.25
80 1000 0.25
93 1500 0.25
105 1500 0.25
125 1500 0.25
MAXIMUM REVERSE
LEAKAGE CURRENT
TEST-VOLTAGE
IR2) Suffix A Suffix B
AV
V
150 4.9
5.2
75 5.4
5.7
50 5.9
6.2
10 6.6
6.9
5 7.2
7.6
5 8.0
8.4
5 8.6
9.1
5 9.4
9.9
5 10.8 11.4
5 11.5 12.2
5 13.0 13.7
5 14.4 15.2
5 15.8 16.7
5 17.3 18.2
5 19.4 20.6
5 21.6 22.8
5 23.8 25.1
5 25.9 27.4
5 28.1 29.7
5 31.0 32.7
5 33.8 35.8
5 36.7 38.8
MAXIMUM
ZENER
CURRENT
IZM2)
mA
47
42
38
35
32
28
26
24
21
19
17
15
14
14
11
10
9.0
8.5
7.8
7.0
6.4
5.9
TYPICAL
TEMP.
COEFFICIENT
%/:
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
Note:
1)
2)
3)
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 superimposed on IZT Zener impedance is measured at two points
to insure a sharp knee on the breakdown curve and to eliminate unstable units.
Valid provided that leads are kept at ambient temperature at a distance of 8mm from case.
Measured with device junction in thermal equilibrium.
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