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Dated : 13/02/2006
SEMTECH ELECTRONICS LTD.
(Subsidiary of Sino-Tech International Holdings Limited, a company
listed on the Hong Kong Stock Exchange, Stock Code: 724)
®
BC817W / BC818W
NPN Silicon Epitaxial Planar Transistors
for general purpose and switching applications
These transistors are subdivided into three groups
–16, -25, -40 according to their current gain.
Absolute Maximum Ratings (Ta = 25 OC)
Parameter
Symbol
Value
Unit
Collector Base Voltage
BC817W
BC818W
VCBO
50
30
V
Collector Emitter Voltage
BC817W
BC818W
VCEO
45
25
V
Emitter Base Voltage
VEBO
5
V
Collector Current
IC
500
mA
Peak Collector Current
ICM
1
A
Peak Base Current
IBM
200
mA
Power Dissipation
Ptot
200
mW
Thermal Resistance , Junction to Ambient
RθJA
625
1)
K/W
Junction Temperature
TJ
150
O
C
Storage Temperature Range
Ts
-65 to +150
O
C
1) Transistor mounted on an FR4 printed-circuit board.