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Dated : 07/09/2005
®
SEMTECH ELECTRONICS LTD.
(Subsidiary of Sino-Tech International Holdings Limited, a company
listed on the Hong Kong Stock Exchange, Stock Code: 724)
ZMY5B1...ZMY39B(1W)
SILICON PLANAR POWER ZENER DIODES
for use in stabilizing and clipping circuits with high power
rating. The Zener voltages are graded according to the
international E 24 standard. Smaller voltage tolerances
are upon request.
Absolute Maximum Ratings (Ta = 25OC)
Symbol
Value
Unit
Power Dissipation
Ptot
1
1)
W
Junction Temperature
Tj
175
O
C
Storage Temperature Range
TS
-55 to +175
O
C
1) Valid provided that electrodes are kept at ambient temperature.
Characteristics at Tamb = 25OC
Symbol
Min.
Typ.
Max.
Unit
Thermal Resistance
Junction to Ambient Air
RthA
-
-
170
1)
K/W
1) Valid provided that electrodes are kept at ambient temperature.
LL-41