MOTOROLA
SEMICONDUCTOR TECHNICAL DATA
Order this document by BF420/D
High Voltage Transistors
NPN Silicon
COLLECTOR 2...
MOTOROLA
SEMICONDUCTOR TECHNICAL DATA
Order this document by BF420/D
High Voltage
Transistors
NPN Silicon
COLLECTOR 2 3 BASE 1 EMITTER
BF420 BF422
MAXIMUM RATINGS
Rating Collector – Emitter Voltage Collector – Base Voltage Emitter – Base Voltage Collector Current — Continuous Total Device Dissipation @ TA = 25°C Derate above 25°C Total Device Dissipation @ TC = 25°C Derate above 25°C Operating and Storage Junction Temperature Range Symbol VCEO VCBO VEBO IC PD PD TJ, Tstg BF420 300 300 5.0 500 625 5.0 1.5 12 – 55 to +150 BF422 250 250 Unit Vdc Vdc Vdc mAdc mW mW/°C Watts mW/°C °C
1 2 3
CASE 29–04, STYLE 14 TO–92 (TO–226AA)
THERMAL CHARACTERISTICS
Characteristic Thermal Resistance, Junction to Ambient Thermal Resistance, Junction to Case Symbol RqJA RqJC Max 200 83.3 Unit °C/W °C/W
ELECTRICAL CHARACTERISTICS (TA = 25°C unless otherwise noted)
Characteristic Symbol Min Max Unit
OFF CHARACTERISTICS
Collector – Emitter Breakdown Voltage(1) (IC = 1.0 mAdc, IB = 0) Collector – Base Breakdown Voltage (IC = 100 mAdc, IE = 0) Emitter – Base Breakdown Voltage (IE = 100 mAdc, IC = 0) Collector Cutoff Current (VCB = 200 Vdc, IE = 0) Emitter Cutoff Current (VEB = 5.0 Vdc, IC = 0) 1. Pulse Test: Pulse Width V(BR)CEO BF420 BF422 V(BR)CBO BF420 BF422 V(BR)EBO BF420 BF422 ICBO BF420 BF422 IEBO BF420 BF422 — — 100 — — — 0.01 — nAdc 5.0 5.0 — — µAdc 300 250 — — Vdc 300 250 — — Vdc Vdc
v 300 ms; Duty Cycle v 2.0%.
Motorola Small–Signal
Transistors, FETs and Diodes Device Data © Motorol...