BF199 NPN RF Transistor 25V 50mA TO-92 Package

BF199 NPN RF Transistor 25V 50mA TO-92 Package

The BF199 is a high-frequency NPN silicon transistor designed specifically for radio frequency (RF) and very high frequency (VHF) applications. With a collector-emitter voltage of 25V and a collector current of 50mA, it provides excellent gain, low noise performance, and fast switching characteristics.

Encapsulated in a TO-92 plastic package, the BF199 offers stable operation and low parasitic capacitance, making it ideal for use in RF amplifiers, oscillators, mixers, and tuners in radio, TV, and communication circuits. Its wide frequency response (up to 650 MHz) and low noise figure make it a popular choice for signal amplification in both analog and digital RF designs.

Click here to view related products

Features:

• Transistor Type: NPN Silicon RF Transistor
• Package: TO-92 (compact and reliable)
• Collector-Emitter Voltage (V_CE): 25V
• Collector Current (I_C): 50mA
• Power Dissipation (P_tot): 300mW (typical)
• Transition Frequency (f_T): Up to 650 MHz
• Low Noise Figure: Excellent signal clarity in RF circuits
• High Gain and Low Capacitance: Ideal for high-frequency amplification
• Reliable Performance: Stable under varying temperature and load conditions
• Fast Switching Speed: Suitable for high-frequency and digital RF applications

Applications:

• RF and VHF Amplifiers: Used in tuner and intermediate frequency (IF) stages
• Oscillators and Mixers: For radio, TV, and FM receiver circuits
• Signal Amplifiers: Ideal for preamplifiers and low-noise RF front ends
• Communication Equipment: Transmitters, receivers, and RF modules
• Antenna Booster Circuits: Enhances weak radio and TV signals
• Test and Measurement Equipment: For frequency generation and signal processing
• Hobby Electronics: Suitable for RF experimentation and DIY communication circuits

bf199-transistor-datasheet