NXP Semiconductors BF422
This data sheet contains target or goal specifications for product development. This data sheet contains preliminary data; supplementary data may be published later.FEATURES
● Low feedback capacitance.APPLICATIONS
● Class-B video output stages in colour television and professional monitor equipment.DESCRIPTION
NPN transistors in a TO-92 plastic package. PNP complements: BF421 and BF423. 1 handbook, halfpage 2 3 BF420; BF422 PINNING PIN 1 2 3 base collector emitterDESCRIPTION
2 1 3 MAM259 Fig.1 Simplified outline (TO-92) and symbol. QUICK REFERENCE DATA SYMBOL VCBO PARAMETER collector-base voltage BF420 BF422 VCEO collector-emitter voltage BF420 BF422 ICM Ptot hFE Cre fT peak collector current total power dissipation DC current gain feedback capacitance transition frequency Tamb ≤ 25 °C IC = 25 mA; VCE = 20 V IC = ic = 0; VCE = 30 V; f = 1 MHz IC = 10 mA; VCE = 10 V; f = 100 MHz open base − − − − 50 − 60 300 250 100 830 − 1.6 − pF MHz V V mA mW open emitter − − 300 250 V V CONDITIONS MIN. MAX. UNIT 1996 Dec 09 2 Philips Semiconductors Product specification NPN high-voltage transistors LIMITING VALUES In accordance with the Absolute Maximum Rating System (IEC 134).