1N5220...1N5281
SILICON PLANAR ZENER DIODES
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. 0.45
Max. 1.9
Min. 27.5
Max. 1.9
Min. 27.5
Black
Cathode Band
Black
Part No.
Black
Black
Cathode Band
XXX
Max. 3.9
Black
Part No.
XXX
Max. 2.9
Min. 27.5
Min. 27.5
Glass Case DO-35
Dimensions in mm
Glass Case DO-34
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.
1N5220...1N5281
Maximum Reverse
Temp. Coefficient
Leakage Current
of Zener Voltage
Type
3)
2)
V
Znom
l
ZT
r
ZJT
r
ZJK
at I
ZK
I
R
at V
R
TK
VZ
V
mA
Ω
Ω
mA
µA
V
%/K
1N5267
75
1.7
270
1700
0.25
0.1
56
<+0.098
1N5268
82
1.5
330
2000
0.25
0.1
62
<+0.098
1N5269
87
1.4
370
2200
0.25
0.1
68
<+0.099
1N5270
91
1.4
400
2300
0.25
0.1
69
<+0.099
1N5271
100
1.3
500
--
--
0.1
75
<+0.100
1N5272
110
1.2
700
--
--
0.1
83
<+0.100
1N5273
120
1
950
--
--
0.1
90
<+0.100
1N5274
130
0.95
1100
--
--
0.1
98
<+0.110
1N5275
140
0.9
1300
--
--
0.1
105
<+0.110
1N5276
150
0.85
1500
--
--
0.1
113
<+0.110
1N5277
160
0.8
1700
--
--
0.1
120
<+0.115
1N5278
170
0.74
1900
--
--
0.1
127
<+0.115
1N5279
180
0.68
2200
--
--
0.1
135
<+0.120
1N5280
190
0.66
2400
--
--
0.1
142
<+0.120
1N5281
200
0.65
2500
--
--
0.1
150
<+0.120
1)
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.
Zener Voltage Range
Maximum Zener Impedance
1)
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
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