NXP Semiconductors
NPN general purpose transistors
Product data sheet
BC549; BC550
FEATURES
• Low current (max. 100 mA)
• Low voltage (max. 45 V).
APPLICATIONS
• Low noise stages in audio frequency equipment.
DESCRIPTION
NPN transistor in a TO-92; SOT54 plastic package.
PNP complements: BC559 and BC560.
PINNING
PIN
1
2
3
emitter
base
collector
DESCRIPTION
handbook, halfpage1
2
3
3
2
1
MAM182
Fig.1 Simplified outline (TO-92; SOT54)
and symbol.
ORDERING INFORMATION
TYPE NUMBER
BC549C
BC550C
NAME
SC-43A
PACKAGE
DESCRIPTION
plastic single-ended leaded (through hole) package; 3 leads
VERSION
SOT54
LIMITING VALUES
In accordance with the Absolute Maximum Rating System (IEC 60134).
SYMBOL
VCBO
VCEO
VEBO
IC
ICM
IBM
Ptot
Tstg
Tj
Tamb
PARAMETER
collector-base voltage
BC549
BC550
collector-emitter voltage
BC549
BC550
emitter-base voltage
collector current (DC)
peak collector current
peak base current
total power dissipation
storage temperature
junction temperature
ambient temperature
CONDITIONS
open emitter
open base
open collector
Tamb ≤ 25 °C; note 1
Note
1. Transistor mounted on an FR4 printed-circuit board.
MIN.
MAX.
UNIT
−
30
V
−
50
V
−
30
V
−
45
V
−
5
V
−
100
mA
−
200
mA
−
200
mA
−
500
mW
−65
+150
°C
−
150
°C
−65
+150
°C
2004 Oct 11
2