BF494 NPN 20V 30mA 120MHZ 350mW TO-92

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.


QUICK REFERENCE DATA
SYMBOL PARAMETER CONDITIONS MIN. MAX. UNIT
VCBO collector-base voltage open emitter - 30 V
VCEO collector-emitter voltage open base - 20 V
ICM peak collector current - 30 mA
Ptot total power dissipation Tamb = 25 °C - 300 mW
hFE DC current gain IC = 1 mA; VCE = 10 V
BF494 67 220
BF495 35 125
fT transition frequency IC = 1 mA; VCE = 10 V; f = 100 MHz 120 - MHz