The BF337 is a silicon NPN bipolar junction transistor (BJT) manufactured by Central Semiconductor Corp. It is designed for use in various general-purpose amplifier and switching applications. This transistor offers moderate power dissipation and is suitable for audio amplification, small signal amplification, and switching circuits.

Applications

• Audio amplifiers (preamplifiers, drivers)
• Small signal amplification
• Switching circuits
• Oscillator circuits
• General-purpose linear amplifiers

Features

• NPN Transistor: Standard NPN configuration for common applications.
• Medium Power Dissipation: Suitable for applications requiring moderate power handling.
• High Collector-Emitter Voltage (VCEO): Provides a good voltage margin for various circuits.
• High Current Gain (hFE): Allows for efficient amplification of small signals.
• Low Noise Figure: Suitable for sensitive amplifier applications.

Benefits

• Versatile Application: Can be used in a wide range of amplifier and switching circuits.
• Cost-Effective: Offers a good balance of performance and price.
• Easy to Use: Standard NPN configuration simplifies circuit design.
• Reliable Performance: Provides stable operation in various environments.
• Good Signal Amplification: High current gain enables efficient amplification of small signals.

Additional Details

The BF337 is typically packaged in a TO-92 package, which is a small, through-hole package suitable for compact circuit layouts. Key specifications include a collector-emitter voltage (VCEO) of 40V, a collector current (IC) of 0.1A (100mA), and a power dissipation (PD) of 0.625W (625mW). The DC current gain (hFE) typically ranges from 40 to 250, depending on the operating conditions and collector current. The operating and storage junction temperature range is typically from -65°C to +150°C.

When using the BF337, it is important to ensure that the maximum voltage, current, and power dissipation ratings are not exceeded to prevent damage to the transistor. Additionally, proper biasing techniques should be used to ensure stable and linear operation in amplifier applications. A datasheet should always be consulted before using this part.