BC556,A,B,C
BC557,A,B,C
BC558,A,B,C
PNP Silicon Planar Epitaxial Transistors
1
2
3
TO-92 SMD Package
Absolute Maximum Ratings
(Ta = 25
o
C unless specified otherwise)
SYMBOL
BC556
DESCRIPTION
V
CEO
65
Collector Emitter Voltage
V
CES
Collector Emmitter Voltage
80
V
CBO
Collector Base Voltage
80
V
EBO
5
Emitter Base Voltage
I
C
Collector Current Continuous
I
CM
Peak
I
EM
Emitter Current - Peak
I
BM
Base Current - Peak
Total power dissipation up to
T
amb
= 25
o
C
Storge Temperature
Junction Temperature
Thermal Resistance
From junction to ambient
P
tot
Tstg
Tj
R
th(j-a)
BC557
45
50
50
5
100
200
200
200
500
-55 to +150
150
250
BC558
30
30
30
5
UNITS
V
V
V
V
mA
mA
mA
mW
o
o
C
C
o
C/W
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