R
S E M I C O N D U C T O R
0.5W SILICON PLANAR ZENER DIODES
DO-35
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
0.079(2.0)
MAX
DIA
1.083(27.5)
MIN
0.150(3.8)
MAX
MECHANICAL DATA
Case
:
DO-35 glass case
Polarity:
Color band denotes cathode end
Weight
:
Approx. 0.13 gram
0.020(0.52)
MAX
DIA
1.083(27.5)
MIN
Dimensions in inches and (millimeters)
ABSOLUTE MAXIMUM RATINGS(LIMITING VALUES)
(T
A
=25 C)
Zener current see table "Characteristics"
Power dissipation at T
A
=25 C
Junction temperature
Storage temperature range
P
tot
T
J
T
STG
500
1)
175
-65 to+175
mW
C
C
1) Valid provided that a distance of 8mm from case are kept at ambient temperature
ELECTRICAL CHARACTERISTICS
(T
A
=25 C)
Thermal resistance junction to ambien airt
Forward voltage at I
F
=200mA
R
JA
300
1)
1.5
C/W
V
F
1) Valid provided that a distance of 8mm from case are kept at ambient temperature
Zener Voltage
range
3)
V
ZNOM
V
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
I
ZT
mA
18.5
16.5
15
14
12.5
11.5
10.5
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
5
11.5
13
16
17
21
25
29
33
41
49
58
70
80
93
105
125
1500
1000
750
700
5.5
4.5
Z
ZT
Z
ZK
1)
Test-Voltage
I
ZK
mA
1.0
%/ C
0.050
0.058
0.5
0.062
0.068
0.075
0.076
0.077
0.079
0.082
0.083
0.085
0.086
0.25
0.087
0.088
0.090
0.091
0.092
0.093
0.094
0.095
0.095
0.096
5
I
R
2)
2)
Suffix A
V
4.9
5.4
5.9
6.6
7.2
8.0
8.6
9.4
10.8
11.5
13.0
14.4
15.8
17.3
19.4
21.6
23.8
25.9
28.1
31.0
33.8
36.7
Suffix B
V
5.2
5.7
6.2
6.9
7.6
8.4
9.1
9.9
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
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
A
150
75
50
10
5
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 (1
ZT
) is superimposed on1
ZT
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 8 mm from case.
(3)Measured with device junction in thermal equilibrium.
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