Zowie Technology Corporation
SILICON PLANAR ZENER DIODES
1N5220...1N5281
Standard Zener voltage tolerance is ± 20%.
Add suffix "A" for ± 10% Tolerance, suffix
"B" for ± 5% tolerance, suffix "C" for ± 2%
tolerance, Other tolerance, non standard
and higher Zener voltages are upon request.
Max. 0.5
Max. 1.9
Min. 27.5
Black
Cathode Band
Black
Part No.
XXX
Max. 3.9
Min. 27.5
Glass Case DO-35
Dimensions in mm
Absolute Maximum Ratings (T
a
= 25
O
C)
Parameter
Power Dissipation at T
amb
= 75
O
C
Junction Temperature
Storage Temperature Range
1)
Symbol
P
tot
T
j
T
S
Value
500
1)
Unit
mW
O
200
- 65 to + 200
C
C
O
Valid provided that leads are kept at ambient temperature at a distance of 8 mm from case.
Characteristics at T
a
= 25
O
C
Parameter
Thermal Resistance Junction to Ambient Air
Forward Voltage
at I
F
= 200 mA
1)
Symbol
R
thA
V
F
Max.
0.3
1)
1.1
Unit
K/mW
V
Valid provided that leads are kept at ambient temperature at a distance of 8 mm from case.
REV. 0
Zowie Technology Corporation
Zowie Technology Corporation
1N5220...1N5281
Zener Voltage Range
Type
Maximum Zener Impedance
1)
r
ZJT
Ω
270
330
370
400
500
700
950
1100
1300
1500
1700
1900
2200
2400
2500
r
ZJK
Ω
1700
2000
2200
2300
--
--
--
--
--
--
--
--
--
--
--
at I
ZK
mA
0.25
0.25
0.25
0.25
--
--
--
--
--
--
--
--
--
--
--
1N5267
1N5268
1N5269
1N5270
1N5271
1N5272
1N5273
1N5274
1N5275
1N5276
1N5277
1N5278
1N5279
1N5280
1N5281
1)
V
Znom 3)
V
75
82
87
91
100
110
120
130
140
150
160
170
180
190
200
l
ZT
mA
1.7
1.5
1.4
1.4
1.3
1.2
1
0.95
0.9
0.85
0.8
0.74
0.68
0.66
0.65
Maximum Reverse
Leakage Current
I
R 2)
at V
R
µA
V
0.1
56
0.1
62
0.1
68
0.1
69
0.1
75
0.1
83
0.1
90
0.1
98
0.1
105
0.1
113
0.1
120
0.1
127
0.1
135
0.1
142
0.1
150
Temp. Coefficient
of Zener Voltage
TK
VZ
%/K
<+0.098
<+0.098
<+0.099
<+0.099
<+0.100
<+0.100
<+0.100
<+0.110
<+0.110
<+0.110
<+0.115
<+0.115
<+0.120
<+0.120
<+0.120
The Zener Impedance is derived from the 60 Hz AC voltage which results when an AC current having an RMS value
equal to 10% of the Zener Current (I
ZT
or I
ZK
) is superimposed on I
ZT
or I
ZK
. 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 at a distance of 8 mm from case are kept at ambient temperature.
3)
Tested with pulses t
p
= 20 ms.
Admissible power dissipation
versus ambient temperature
Valid provided that leads at a distance of 8 mm
from case are kept at ambient temperature
mW
500
P
tot
400
300
200
100
0
0
100
T
a
200
REV. 0
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