BF495B

DISCRETE SEMICONDUCTORS DATA SHEET book, halfpage M3D186 BF494; BF495 NPN medium frequency transistors Product specification Supersedes data of September 1994 File under Discrete Semiconductors, SC04 1997 Jul 08 Philips Semiconductors Product specification NPN medium frequency transistors FEATURES Low current (max. 30 mA) Low voltage (max. 20 V). APPLICATIONS HF applications in radio and television receivers FM tuners Low noise AM mixer-oscillators IF amplifiers in AM/FM receivers. DESCRIPTION NPN medium frequency transistor in a TO-92; SOT54 plastic package. Fig.1 1 handbook, halfpage 2 3 BF494; BF495 PINNING PIN 1 2 3 base emitter collector DESCRIPTION 3 1 2 MAM258 Simplified outline (TO-92; SOT54) and symbol. QUICK REFERENCE DATA SYMBOL VCBO VCEO ICM Ptot hFE PARAMETER collector-base voltage collector-emitter voltage peak collector current total power dissipation DC current gain BF494 BF495 fT transition frequency IC = 1 mA; VCE = 10 V; f = 100 MHz Tamb ≤ 25 °C IC = 1 mA; VCE = 10 V 67 35 120 220 125 − MHz open emitter open base CONDITIONS − − − − MIN. MAX. 30 20 30 300 V V mA mW UNIT 1997 Jul 08 2 Philips Semiconductors Product specification NPN medium frequency transistors LIMITING VALUES In accordance with the Absolute Maximum Rating System (IEC 134). SYMBOL VCBO VCEO VEBO IC ICM Ptot Tstg Tj Tamb Note 1. Transistor mounted on an FR4 printed-circuit board. THERMAL CHARACTERISTICS SYMBOL Rth j-a Note 1. Transistor mounted on an FR4 printed-circui...