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
"ST" Brand
Black
Cathode Band
XXX
ST
Max. 3.9
Black
Part No.
XXX
Max. 2.9
Absolute Maximum Ratings (T
a
= 25
O
C)
Parameter
Power Dissipation
Junction Temperature
1)
Storage Temperature Range
Valid provided that leads are kept at ambient temperature at a distance of 8 mm from case.
Characteristics at T
a
= 25
O
C
Thermal Resistance Junction to Ambient Air
Forward Voltage
at I
F
= 200 mA
1)
Valid provided that leads are kept at ambient temperature at a distance of 8 mm from case.
S
®
H
C
E
T
M
E
Min. 27.5
Min. 27.5
Glass Case DO-35
Dimensions in mm
Glass Case DO-34
Dimensions in mm
Symbol
P
tot
T
j
Value
500
1)
Unit
mW
O
200
C
C
T
stg
- 65 to + 200
O
Parameter
Symbol
R
θJA
V
F
Max.
Unit
0.3
1)
1.1
K/mW
V
SEMTECH ELECTRONICS LTD.
Subsidiary of Sino-Tech International (BVI) Limited
Dated : 28/10/2010 Rev: 01
1N5220...1N5267
Power Dissipation vs Ambient Temperature
600
Power Dissipation: Ptot (mW)
500
400
300
200
100
S
®
H
C
E
T
M
E
0
0
25
50
75
100
125
150
175
200
Ambient Temperature: Ta ( C)
O
SEMTECH ELECTRONICS LTD.
Subsidiary of Sino-Tech International (BVI) Limited
Dated : 28/10/2010 Rev: 01
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