CE
CHENYI ELECTRONICS
FEATURES
. Silicon planar power zener diodes
. Standards zener voltage tolerance is 10%.Add suffix "A" for 5%
tolerance, other tolerance are available upon request
1N746 THRU 1N759
0.5W SILICON PLANAR ZENER DIODES
MECHANICAL DATA
.
Case:
DO-35 glass case
.
Polarity:
Color band denotes cathode end
.
Weight:
Approx. 0.13gram
ABSOLUTE MAXIMUM RATINGS(LIMITING VALUES)(T
A
=25
)
Symbols
Zener current see table "Characteristics"
Power dissipation at T
A
=50
Junction temperature
Storage temperature range
P
tot
T
J
T
STG
Value
Units
500
1)
175
-65 to + 175
mW
1)Valid provided that at a distance of 8mm from case are kept at ambient temperature
ELECTRICAL CHARACTERISTICS(TA=25
)
Symbols
Thermal resistance junction to ambient
Forward voltage
at I
F
=200mA
R
JA
Min.
Typ.
Max.
300
1)
1.5
Units
/W
V
F
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
CHENYI ELECTRONICS
1N746 THRU 1N759
0.5W SILICON PLANAR ZENER DIODES
1N746…1N759 SILICON PLANAR ZENER DIODES
Maximum
Zener Voltage Range
1)
Type
V
Z
V
1N746
1N747
1N748
1N749
1N750
1N751
1N752
1N753
1N754
1N755
1N756
1N757
1N758
1N759
3.3
3.6
3.9
4.3
4.7
5.1
5.6
6.2
6.8
7.5
8.2
9.1
10.0
12.0
20
I
ZT
mA
28
24
23
22
19
17
11
7
5
6
8
10
17
30
zener
impedence
Z
ZR
at I
ZR
Typical
Maximum Reverse
Maximum
Regulator
Current
Tempetature Leakage Current I
R 2)
at V
R
=1V
coefficient
T
A
=25
%/
-0.062
-0.055
-0.049
-0.036
-0.018
-0.008
+0.006
+0.022
+0.035
+0.045
+0.052
+0.056
+0.060
+0.060
0.1
20
1
2
10
30
A
T
A
=150
A
I
ZM
mA
110
100
95
85
75
70
65
60
55
50
45
40
35
30
1)Tested with pulses t
p
=20ms
2)Valid provided that are kept at ambient temperature at a distance of 8mm from case.
Copyright @ 2000 SHANGHAI CHENYI ELECTRONICS CO.,LTD
Page 2 of 2
Power technology
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