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BF420, BF422
High Voltage Transistors
NPN Silicon
Features
• Pb−Free Package is Available*
MAXIMUM RATINGS Rating
Collector −Emitter Voltage
Collector −Base Voltage
Emitter −Base Voltage
Collector Current − Continuous
Collector Current − Peak
Total Device Dissipation (Note 1) @ TA = 25°C Derate above 25°C
Operating and Storage Junction Temperature Range
Symbol BF420 BF422 Unit
VCEO VCBO VEBO
IC ICM PD
300 250 300 250
5.0 50 100
Vdc Vdc Vdc mAdc mA
830 mW 6.6 mW/°C
TJ, Tstg
−55 to +150
°C
THERMAL CHARACTERISTICS
Characteristic
Thermal Resistance, Junction−to−Ambient
Thermal Resistance, Junction−to−Lead
Symbol RqJA
RqJL
Max 150 68
Unit °C/W
°C/W
Maximum ratings are those values beyond which device damage can occur.
BF420 Datasheet
