onsemi NPN Single Transistor, 15 A, 350 V, TO-264 Package, 3-Pin MJL4281AG

onsemi MJL4281AG is a high power NPN silicon transistor designed explicitly for power amplification and switching applications in industrial, electronic, and power supply systems. Housed in a TO-264 three-pin through-hole package, it provides robust mechanical and thermal performance suitable for mounting on heat sinks.

This transistor features a maximum continuous collector current of 15 amperes and can tolerate collector emitter voltages up to 350 volts, making it ideal for medium to high voltage power circuits. The device supports a high power dissipation rating of 230 watts, allowing continuous operation under demanding conditions.

With a minimum DC current gain (hFE) of 10 and transition frequency up to 35 MHz, the MJL4281AG transistor is tailored for moderate frequency applications where stable and reliable performance is required. It operates efficiently over a broad temperature range from -65°C to 150°C, suitable for harsh industrial environments.

The NPN polarity and single transistor configuration simplify integration in various amplification and switching circuits used in power converters, motor controls, and audio amplifiers. The standard pin count of three facilitates straightforward circuit design and soldering.

Key product applications include industrial power management, electronic regulation, motor driver boards, and other high current switching devices. The through-hole TO-264 package ensures good thermal conductivity, reducing the risk of overheating during operation.

Maximum DC collector current of 15 amperes ensures handling of heavy load currents. Collector emitter voltage rating of 350 volts suitable for high voltage operations. Power dissipation of 230 watts for continuous high power usage.

Wide operating temperature and frequency range for industrial reliability. Robust TO-264 package with three pins for ease of use and thermal management.

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