The BFR92AR is a silicon NPN bipolar RF transistor manufactured by Vishay. It's designed for high-frequency amplifier and oscillator applications. This transistor is now categorized as END-OF-LIFE. It is housed in a small SOT-23 package.

Applications

• Oscillators: Generating high-frequency signals for communication systems.
• Mixers: Used in frequency conversion circuits to translate signals to different frequencies.
• RF Front-End Amplifiers: Amplifying RF signals in communications equipment.
• Local Oscillators (LO): Generating signals for frequency down-conversion in receivers.
• VHF/UHF Amplifiers: Used in VHF and UHF amplifier circuits.

Features

• High transition frequency (fT): Enables high-frequency operation.
• Low noise figure: Minimizes noise contribution in amplifier applications.
• High gain: Provides significant signal amplification.
• Small SOT-23 package: Compact size for space-constrained applications.

Benefits

• Improved receiver sensitivity: The low noise figure of the transistor enhances the sensitivity of radio receivers.
• Increased signal strength: High gain provides strong signal amplification.
• Compact design: Small package size enables miniaturization of electronic devices.
• Reliable performance: Designed for reliable operation in high-frequency applications.

Additional Details

The BFR92AR has a typical transition frequency (fT) in the GHz range. Its low noise figure is critical for sensitive receiver applications. It is important to consider the end-of-life status of this transistor, as it is no longer in production. Electrical characteristics, such as collector current and voltage ratings, are specified in the Vishay datasheet.