onsemi Digital Transistor 300 V NPN Surface Mount SOT-223 (SC-73), 3-Pin SPZTA42T1G

onsemi SPZTA42T1G digital transistor is a high voltage 300 V NPN bipolar transistor designed for surface mount applications in the SOT-223 (SC-73) package with 3 pins. It is engineered for medium power operation with a maximum power dissipation of 1.5 W, making it suitable for amplification and switching circuits in industrial, automotive, and general electronics contexts.

This transistor meets the automotive industry standard AEC-Q101, ensuring reliability under harsh operating conditions. The device supports a collector emitter voltage of up to 300 V, a collector base voltage rating of 300 V, and an emitter base voltage rating of 6 V dc, with a minimum DC current gain of 25. Its compact form factor (6.7mm length, 3.7mm width, 1.63mm height) aids in space-constrained PCB designs.

The SPZTA42T1G transistor's thermal handling up to 150°C maximum operating temperature suits demanding environments such as automotive control, power regulation, and signal amplification tasks. The surface mount SOT-223 package enhances heat dissipation and mounting flexibility for manufacturing processes.

The transistor polarity is NPN. It has a single transistor configuration optimized for discrete semiconductor applications. The transistor supports mounting on surface PCB layouts. The device’s pin count of 3 is standard for this transistor type.

This part is Pb-Free, supporting environmental compliance requirements.

Ideal for use in industrial and automotive electronics, the onsemi SPZTA42T1G digital transistor provides a reliable switching and amplification solution with robust voltage and temperature tolerances. This transistor is suited for engineers designing power and signal control circuits requiring medium power handling and surface mount compatibility.

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