onsemi General Purpose PNP Bipolar Transistor, -3 A Collector Current, -80 V Collector-Emitter Voltage, 12.5 W Power MJE172G

onsemi MJE172G is a robust general purpose PNP bipolar transistor designed for applications requiring a maximum collector current of -3 amperes and collector-emitter voltage of -80 volts. Packaged in a TO-225 format with through-hole mounting, this transistor is ideal for industrial, automotive, and consumer electronics requiring reliable switching and amplification.

The device supports a maximum power dissipation of 12.5 watts, allowing stable operation under moderate load conditions. With a minimum DC current gain (hFE) of 50, it ensures efficient signal amplification and switching performance. The transistor also operates across a wide temperature range from -65°C to 150°C, making it suited for harsh working environments.

A maximum transition frequency of 10 MHz makes it fit for low to medium frequency electronic circuits. The 3-pin arrangement facilitates straightforward connection in circuit designs. Electrical maximum ratings such as a 100 V collector-base voltage and 7 V emitter-base voltage highlight its capability to handle substantial voltage loads.

Physically, the transistor measures 27.73 mm in height, 7.8 mm in length, and 3 mm in width, providing compactness and ease of integration. It is not automotive standard certified and has no specific approvals but is suited for general power electronics tasks.

The transistor’s 12.5 W power rating supports moderate power circuits. Its temperature rating from -65°C to 150°C ensures reliable operation across environments. The TO-225 package and through-hole mount type ease installation in various electronics.

Pin count of 3 aligns with standard bipolar transistor configurations. Maximum voltage ratings (Vceo, VCBO, VEBO) provide safe operating limits. Compact dimensions allow versatile mounting in assemblies.

This transistor finds use in electronic components, power connectors, semiconductor devices, and discrete transistors for industrial, laboratory, manufacturing, and automotive applications; suitable for signal processing, switching, and amplification tasks.

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