BC239BTA

Single Bipolar Transistors Overview

The onsemi BC239BTA is an NPN silicon epitaxial planar transistor housed in a TO-92 plastic package. It features a maximum collector current of 100 mA and a collector-emitter voltage rating of 25 V. The device offers a minimum DC current gain (hFE) of 110, with a collector-base voltage of 30 V and an emitter-base voltage of 5 V. Total power dissipation is rated at 350 mW at 25°C ambient temperature. Operating temperatures range from -55°C to +150°C.

Single Bipolar Transistors Feature Summary

• NPN silicon epitaxial planar construction for general-purpose amplification
• Low noise characteristics suitable for audio applications
• High DC current gain for efficient signal control
• Through-hole TO-92 packaging for standard board mounting

Single Bipolar Transistors Applications

• General purpose amplifier circuits
• Low noise pre-amplifier stages
• Switching applications requiring moderate current handling

Single Bipolar Transistors Procurement Notes

Verify the specific suffix 'BTA' against the manufacturer's official datasheet to confirm binning or tape-and-reel specifications. Ensure the component matches the required hFE grade and package dimensions for your design. Cross-reference with authorized distributors to confirm authenticity and traceability before finalizing procurement.

Single Bipolar Transistors Selection Notes

Select this component when a low-noise NPN transistor with moderate voltage ratings is required. Compare the 25 V VCEO and 100 mA IC limits against circuit requirements. Consider the thermal dissipation capabilities if operating near maximum ratings. Verify compatibility with existing PCB footprints and assembly processes.

Single Bipolar Transistors Part Context

The BC239 series belongs to a family of general-purpose NPN transistors widely used in analog and digital switching circuits. The BC239BTA variant specifically denotes a particular gain binning within the BC239 lineup. This series is commonly utilized in consumer electronics and industrial control systems where reliable small-signal amplification is necessary.

Single Bipolar Transistors Replacement Considerations

Compatible substitutes include BC237, BC238, and BC549 variants, provided voltage and current ratings meet circuit demands. Verify pinout compatibility and thermal characteristics when substituting.