onsemi

MJ15002

MJ15002 Description

The MJ15002 from onsemi is a high-power PNP bipolar junction transistor (BJT) designed for demanding applications requiring robust performance and reliability. With a collector-emitter voltage (V_CE) rating of 140V and a maximum collector current (I_C) of 15A, this transistor is engineered for high-current switching and amplification tasks. Its 200W power dissipation capability and low saturation voltage (1V @ 4A) ensure efficient operation in power circuits. Although marked as obsolete, the MJ15002 remains a viable choice for legacy systems due to its proven durability and performance.

MJ15002 Features

• High Power Handling: 200W max power dissipation for robust performance in high-load conditions.
• Low Saturation Voltage: 1V @ 400mA, 4A, minimizing power loss in switching applications.
• High Current Gain (h_FE): Minimum 25 @ 4A, 2V, ensuring effective signal amplification.
• Through-Hole Mounting: TO-204 (TO-3) package for secure mechanical and thermal integration.
• Wide Operating Range: Suitable for applications up to 140V and 15A.
• REACH Unaffected: Compliant with environmental regulations, making it suitable for industrial use.

MJ15002 Applications

The MJ15002 excels in high-power linear and switching applications, including:

• Power Supplies: Used in voltage regulators and DC-DC converters.
• Audio Amplifiers: Ideal for high-fidelity audio output stages due to low distortion.
• Motor Control: Efficiently drives high-current motors in industrial systems.
• RF & Industrial Equipment: Suitable for RF amplifiers and high-voltage switching circuits.
• Legacy Systems Maintenance: A reliable replacement for obsolete power transistors in older electronics.

Conclusion of MJ15002

The MJ15002 is a high-performance PNP transistor offering exceptional power handling, low saturation loss, and reliable operation in demanding environments. While newer alternatives may exist, its proven design and rugged TO-3 package make it a preferred choice for engineers maintaining or designing high-power systems. Its balance of voltage, current, and thermal performance ensures longevity in industrial, audio, and power management applications.