Philips Semiconductors
PNP general purpose transistors
Product specification
BC556; BC557
FEATURES
• Low current (max. 100 mA)
• Low voltage (max. 65 V).
APPLICATIONS
• General purpose switching and amplification.
DESCRIPTION
PNP transistor in a TO-92; SOT54 plastic package.
NPN complements: BC546 and BC547.
PINNING
PIN
1
2
3
emitter
base
collector
DESCRIPTION
handbook, halfpage1
2
3
3
2
1
MAM281
Fig.1 Simplified outline (TO-92; SOT54)
and symbol.
LIMITING VALUES
In accordance with the Absolute Maximum Rating System (IEC 134).
SYMBOL
PARAMETER
CONDITIONS
VCBO
VCEO
VEBO
IC
ICM
IBM
Ptot
Tstg
Tj
Tamb
collector-base voltage
BC556
BC557
collector-emitter voltage
BC556
BC557
emitter-base voltage
collector current (DC)
peak collector current
peak base current
total power dissipation
storage temperature
junction temperature
operating ambient temperature
open emitter
open base
open collector
Tamb ≤ 25 °C
MIN.
MAX.
UNIT
−
−80
V
−
−50
V
−
−65
V
−
−45
V
−
−5
V
−
−100
mA
−
−200
mA
−
−200
mA
−
500
mW
−65
+150
°C
−
150
°C
−65
+150
°C
1999 Apr 15
2