BFS17A,235

Overview

The BFS17A,235 is an NPN wideband transistor manufactured by NXP Semiconductors. It operates with a maximum collector current of 25mA and a transition frequency of 2.8GHz. The device supports a maximum power dissipation of 300mW and a collector-emitter voltage of 15V. It is housed in a TO-236AB (SOT-23) surface-mount package measuring 2.9 mm x 1.3 mm x 1 mm. The component is designed for high-frequency applications requiring compact packaging.

Feature Summary

• NPN bipolar junction transistor configuration optimized for wideband operation
• Plastic surface-mounted package suitable for automated assembly processes
• High transition frequency capability for RF signal processing

Applications

• RF amplifier circuits
• Wideband signal processing systems
• High-frequency oscillator stages

Procurement Notes

Verify the specific ordering suffix to confirm package type and manufacturing status. The BFS17A,235 variant is listed as no longer manufactured; ensure availability through authorized distributors or check for valid replacement part numbers before finalizing procurement plans.

Selection Notes

Select this component when designing circuits requiring an NPN transistor with a 2.8GHz transition frequency and low power consumption. Ensure the design accommodates the TO-236AB footprint and thermal requirements for 300mW dissipation in surface-mount layouts.

Part Context

This part belongs to the BFS series of NPN wideband transistors from NXP Semiconductors. The BFS17A model specifically targets frequencies up to 3GHz, while the BFS17 variant covers up to 1GHz. Both share similar physical dimensions and application profiles for RF electronics.

Replacement Considerations

Check for direct substitutes within the BFS series or equivalent NPN RF transistors with matching transition frequencies and package dimensions.