Dated : 25/06/2007
SEMTECH ELECTRONICS LTD.
(Subsidiary of Sino-Tech International Holdings Limited, a company
listed on the Hong Kong Stock Exchange, Stock Code: 724)
®
BS Series
SILICON PLANAR ZENER DIODES
Absolute Maximum Ratings (T
a
= 25
O
C)
Parameter Symbol Value Unit
Power Dissipation P
tot
500
1)
mW
Junction Temperature T
j
175
O
C
Storage Temperature Range T
S
- 65 to + 175
O
C
1)
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
Symbol Max. Unit
Thermal Resistance Junction to Ambient Air
R
thA
0.3
1)
K/mW
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
