onsemi

MJ15003G

MJ15003G Description

The MJ15003G from onsemi is a high-power NPN bipolar junction transistor (BJT) designed for demanding industrial and commercial applications. With a collector-emitter breakdown voltage (Vce) of 140V and a maximum collector current (Ic) of 20A, it delivers robust performance in high-current switching and amplification circuits. The transistor features a transition frequency (ft) of 2MHz, ensuring efficient operation in medium-frequency applications. Packaged in a TO-204 (TO-3) metal case, it offers excellent thermal dissipation, supporting a maximum power rating of 250W.

MJ15003G Features

• High Power Handling: 250W max power dissipation for demanding applications.
• Low Saturation Voltage: 1V @ 500mA, 5A, minimizing power loss in switching circuits.
• High Current Gain (hFE): 25 @ 5A, 2V, ensuring efficient signal amplification.
• Robust Construction: TO-204 package enhances heat dissipation and mechanical durability.
• Reliable Performance: ROHS3 compliant and REACH unaffected, meeting environmental standards.
• Low Leakage Current: 250µA max cutoff current, improving efficiency in standby modes.

MJ15003G Applications

The MJ15003G is ideal for:

• Power Supplies: High-efficiency linear and switching regulators.
• Motor Control: Drivers for industrial motors and servo systems.
• Audio Amplifiers: High-fidelity output stages in professional audio equipment.
• Industrial Switching: Relays, solenoids, and inductive load drivers.
• RF & Energy Systems: Medium-frequency power amplification in RF transmitters and inverters.

Conclusion of MJ15003G

The MJ15003G stands out as a high-reliability, high-power NPN transistor with superior thermal performance and efficiency. Its low saturation voltage, high current gain, and robust TO-204 package make it a preferred choice for power electronics, motor control, and audio amplification. With compliance to ROHS3 and REACH standards, it ensures environmental safety while delivering consistent performance in industrial, commercial, and audio applications. For engineers seeking a durable, high-performance BJT, the MJ15003G is an excellent solution.