BC549B
MOTOROLA
SEMICONDUCTOR TECHNICAL DATA
Low Noise Transistors
NPN Silicon
COLLECTOR 1
2 BASE
3 EMITTER
MAXIMUM RATINGS
Rating
Symbol BC549 BC550 Unit
Collector
- Emitter Voltage
Collector
- Base Voltage
Emitter
- Base Voltage
Collector Current
- Continuous
Total Device Dissipation @ TA = 25°C Derate above 25°C
VCEO VCBO VEBO
IC PD
30 45 30 50
5.0 100 625 5.0
Vdc Vdc Vdc m Adc m W m W/°C
Total Device Dissipation @ TC = 25°C Derate above 25°C
1.5 Watt 12 m W/°C
Operating and Storage Junction Temperature Range
TJ, Tstg
- 55 to +150
°C
THERMAL CHARACTERISTICS
Characteristic
Symbol
Max
Unit
Thermal Resistance, Junction to Ambient
Rq JA
200 °C/W
Thermal Resistance, Junction to...
