1 / 3 page
Dated : 25/02/2006
®
SEMTECH ELECTRONICS LTD.
(Subsidiary of Sino-Tech International Holdings Limited, a company
listed on the Hong Kong Stock Exchange, Stock Code: 724)
BZX79C
SILICON PLANAR ZENER DIODES
Absolute Maximum Ratings (Ta = 25 OC)
Parameter
Symbol
Value
Unit
Continuous Forward Current
IF
250
mA
Power Dissipation
Ptot
500
1)
mW
Thermal Resistance Junction to Ambient Air
RθJA
0.3
1)
O
C/mW
Junction Temperature
Tj
- 65 to + 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
Forward Voltage
at IF = 100 mA
VF
1.5
V
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