Philips Semiconductors
NPN general purpose transistors
Product specification
BC237; BC237B
LIMITING VALUES
In accordance with the Absolute Maximum Rating System (IEC 134).
SYMBOL
PARAMETER
VCBO
VCEO
VEBO
IC
ICM
IBM
Ptot
Tstg
Tj
Tamb
collector-base voltage
collector-emitter voltage
emitter-base voltage
collector current (DC)
peak collector current
peak base current
total power dissipation
storage temperature
junction temperature
operating ambient temperature
CONDITIONS
open emitter
open base
open collector
Tamb ≤ 25 °C; note 1
Note
1. Transistor mounted on an FR4 printed-circuit board.
THERMAL CHARACTERISTICS
SYMBOL
PARAMETER
CONDITIONS
Rth j-a
thermal resistance from junction to ambient note 1
Note
1. Transistor mounted on an FR4 printed-circuit board.
MIN.
−
−
−
−
−
−
−
−65
−
−65
MAX.
50
45
6
100
200
200
500
+150
150
+150
UNIT
V
V
V
mA
mA
mA
mW
°C
°C
°C
VALUE
250
UNIT
K/W
1997 Sep 04
3