1N5220...1N5267
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
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
Junction Temperature
Storage Temperature Range
1)
Symbol
P
tot
T
j
T
stg
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...1N5267
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