onsemi NPN Power Transistor 15A, 200V, TO-3BPL, Through Hole MJL3281AG

The onsemi MJL3281AG is a high-performance NPN bipolar power transistor engineered for demanding industrial and electronic applications. This device supports a maximum collector current of 15A and collector-emitter voltage of up to 200V, making it ideal for high-voltage switching, audio amplification and other power management tasks.

Built with a TO-3BPL package, the MJL3281AG ensures robust mechanical integrity and superior thermal characteristics, allowing for efficient heat dissipation under heavy load conditions. Its through-hole mounting configuration supports reliable integration into printed circuit boards, offering secure installation and ease of service.

The transistor features an NPN polarity and is configured as a single device, simplifying implementation in a wide range of circuit designs. The MJL3281AG delivers a maximum power dissipation of 200W, enabling usage in high-power amplifier stages and industrial switching environments. It boasts a minimum DC current gain (hFE) of 45, which supports reliable signal amplification and assures consistent performance in sensitive applications.

Supporting a maximum transition frequency (ft) of 30MHz, this transistor is well suited for medium-to-high frequency signal processing and active power control circuits. Additional specifications include a maximum collector-base voltage (VCBO) of 230V, maximum emitter-base voltage (VEBO) of 7V, and a temperature operation range from -65°C to 150°C, ensuring durability across a variety of industrial environments.

With a 3-pin configuration, the MJL3281AG is engineered to comply with contemporary PCB layouts and assembly practices. Its compact package dimensions - height 47.8mm, length 20.3mm, and width 5.3mm - facilitate integration in space-constrained designs.

Common applications for the MJL3281AG include industrial control systems, power amplifiers, electric motor drivers, and voltage regulation circuits. Its features make it particularly suitable for audio amplification stages (such as high-fidelity amplifiers), precision switching, and power distribution modules in electronic manufacturing.

For engineers seeking a reliable, high-current NPN power transistor with excellent voltage and power handling, the onsemi MJL3281AG represents a trusted solution compatible with demanding commercial, laboratory, and industrial electronics sectors.

Browse more power transistors and semiconductor devices in the Bipolar Transistor category from onsemi and other leading brands at EnvMart.