BF494 NPN Transistors

This is NPN medium Frequency Transistor. BF494 transistor is in TO-92 package.

Features of BF494

• Low current (max. 30 mA)

• Low voltage (max. 20 V)

• V_CBO collector-base voltage open emitter : 30 V

• V_CEO collector-emitter voltage open base : 20 V

• I_CM peak collector current: 30 mA

• P_tot total power dissipation T_amb ≤ 25 °C : 300 mW

• h_FE DC current gain I_C = 1 mA; V_CE = 10V : (Min:67, Max:220)

• F_T transition frequency I_C = 1 mA; V_CE = 10 V; f = 100 MHz : 120MHz

Applications of BF494

• HF applications in radio and television receivers

• FM tuners

• Low noise AM mixer-oscillators

• IF amplifiers in AM/FM receivers.