DiodesZetex 500 mA NPN Transistor, 45 V, 3-Pin SOT-323 Surface Mount, 100 MHz ft, 200 mW Power Dissipation BC817-40W-7

DiodesZetex BC817-40W-7 is a high-quality NPN bipolar transistor designed for small signal amplification and switching. Operating at a maximum collector current of 500 mA and a collector-emitter voltage of 45 V, this transistor is suitable for a variety of electronic and industrial applications where reliable switching and amplification are needed.

The device is housed in a 3-pin SOT-323 surface mount package that allows for compact circuit designs, making it ideal for modern electronics manufacturing. Its maximum transition frequency of 100 MHz supports operation in high-frequency circuits, such as RF amplifiers and signal processing units.

With a maximum power dissipation of 200 mW and a minimum DC current gain of 170, the BC817-40W-7 transistor provides efficient performance with good thermal handling capacity. The wide operating temperature range from -65°C to 150°C enables its deployment in harsh and demanding environments including automotive and industrial applications.

The transistor meets the automotive standard AEC-Q101, confirming its suitability for automotive system designs that require robust and reliable semiconductors. The device features a single transistor configuration with three pins, tailored for surface mounting on printed circuit boards.

The transistor’s compact size (3 mm length, 2.5 mm width, and 1.1 mm height) helps designers minimize PCB footprint without compromising on performance. This transistor serves essential roles in electronic circuits including switching, amplification, and signal modulation in commercial, industrial, and automotive sectors.

Typical applications include low noise amplifiers, power management circuits, and general purpose switching in electronic devices. Manufactured with stringent quality controls by DiodesZetex, ensuring consistent performance and reliability.

Set contains a single transistor unit supplied for surface mounting and immediate integration into electronic assemblies. For a complete range of bipolar transistors and related discrete semiconductors, browse the Electronics & Electricals > Semiconductor > Bipolar Transistors category on EnvMart.