onsemi Bipolar Transistor NPN SOT-223 50 mA 300 V 4-Pin PZTA42T1G

The onsemi PZTA42T1G Bipolar Transistor is a high-performance NPN device designed for use in a variety of electronic applications requiring high voltage tolerance and low current operation. Featuring a maximum DC collector current of 50 mA and collector-emitter voltage rating of 300 V, it is well suited for both switching and amplification tasks in industrial, automotive, and commercial circuit designs.

Integrating seamlessly with PCBs thanks to its SOT-223 surface mount package and four-pin configuration, this transistor is optimized for circuit stability and efficient thermal dissipation. The device's single NPN configuration allows versatile operation across many circuit requirements, including signal processing and voltage amplification in discrete semiconductors.

With a maximum power dissipation of 1.5 W and a minimum DC current gain (hFE) of 25, the PZTA42T1G provides reliable performance and stable gain under varied load conditions. It is engineered to operate across a wide temperature range from -65°C to 150°C, making it ideal for industrial and automotive environments where thermal robustness is essential.

The transistor’s maximum collector-base voltage and emitter-base voltage ratings, respectively 300 V and 6 V, support safe and reliable functioning in demanding electronic systems. Its transition frequency of 50 MHz makes it effective for moderate-frequency applications. Compliance with the automotive AEC-Q101 standard ensures suitability for automotive designs requiring enhanced reliability.

This product finds application in industrial automation, signal amplification, power switching, motor control circuits, voltage regulation, and any context where precise control of small currents at high voltages is necessary. The SOT-223 package facilitates straightforward soldering and mounting in automated production environments.

For engineers and designers seeking robust, consistent transistor performance with ease of integration into modern PCB layouts, the onsemi PZTA42T1G provides a reliable option for discrete semiconductor solutions. Buyers may browse the complete onsemi range under Bipolar Transistors on EnvMart to find suitable companions and alternatives based on project specifications.