onsemi High Voltage NPN Transistor 500 mA 300 V 3-Pin TO-92 KSP42TA

onsemi KSP42TA is a high voltage NPN bipolar junction transistor designed for various electronic applications requiring moderate current and high voltage operation. It features a reliable 3-pin TO-92 through-hole package, optimized for easy PCB mounting and space-efficient circuit design.

This transistor can handle a maximum DC collector current of 500 mA and a collector-emitter voltage of 300 V, making it suitable for use in switching, amplification, and signal processing circuits in consumer electronics, industrial automation, and power control systems.

With a maximum power dissipation of 625 mW and a minimum DC current gain (hFE) of 25, the KSP42TA offers efficient performance in compact electronic assemblies. It supports operation in temperatures up to 150°C ensuring durability even in harsh environments.

Its 3-pin configuration and compact TO-92 form factor measure approximately 4.85 mm in height, 4.58 mm in length, and 3.86 mm in width, making it ideal for circuit boards with limited space or tight layouts. The transistor's standard NPN polarity is widely compatible with many circuit designs.

Maximum DC collector current of 500 mA allows handling moderate power loads. High voltage capability up to 300 V for collector-emitter and collector-base voltages. Standard 3-pin TO-92 through-hole package ensures easy mounting and replacement.

Minimum DC current gain (hFE) of 25 supports amplification and switching tasks. Maximum power dissipation of 625 mW supports moderate thermal loads. Maximum operating temperature rating of 150°C for rugged performance. Compact physical dimensions suitable for small electronic devices.

Single NPN transistor configuration for general-purpose use.

This transistor is ideal for use in industrial, consumer electronics, power supply circuits, and educational electronics projects requiring a durable and cost-effective bipolar junction transistor solution. It is suitable for design engineers, repair technicians, and hobbyists working on electronic circuit development.

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