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Dated : 13/06/2007
SEMTECH ELECTRONICS LTD.
(Subsidiary of Sino-Tech International Holdings Limited, a company
listed on the Hong Kong Stock Exchange, Stock Code: 724)
®
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.
Absolute Maximum Ratings (Ta = 25 OC)
Parameter
Symbol
Value
Unit
Power Dissipation at Tamb = 75 OC
Ptot
500
1)
mW
Junction Temperature
Tj
200
O
C
Storage Temperature Range
TS
- 65 to + 200
O
C
1) Valid provided that leads are kept at ambient temperature at a distance of 8 mm from case.
Characteristics at Ta = 25 OC
Parameter
Symbol
Max.
Unit
Thermal Resistance Junction to Ambient Air
RthA
0.3
1)
K/mW
Forward Voltage
at IF = 200 mA
VF
1.1
V
1) Valid provided that leads are kept at ambient temperature at a distance of 8 mm from case.
Max. 2.9
Max. 1.9
Glass Case DO-34
Max. 0.45
Min. 27.5
Min. 27.5
XXX
Cathode Band
Part No.
Dimensions in mm
Black
Black
Max. 3.9
Max. 1.9
Glass Case DO-35
Max. 0.5
Min. 27.5
Min. 27.5
XXX
Cathode Band
Part No.
ST
"ST" Brand
Dimensions in mm
Black
Black
Black