MJE350 PNP Bipolar Power Transistor 300V 500mA TO-126 Package

MJE350 PNP Bipolar Power Transistor 300V 500mA TO-126 Package

The MJE350 is a high-voltage, medium-current PNP bipolar power transistor designed for switching and amplification applications. With a collector-emitter voltage of 300V and a collector current of 500mA, it delivers reliable high-voltage performance, stable operation, and good thermal stability.

Housed in a TO-126 package, the MJE350 ensures efficient heat dissipation and easy PCB mounting, making it ideal for complementary push-pull amplifier stages, high-voltage audio amplifiers, voltage regulators, relay drivers, and industrial switching circuits. Its robust construction guarantees long-term stability in medium-power high-voltage applications.

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Features:

• Transistor Type: PNP Bipolar Power Transistor
• Package: TO-126 (compact and thermally efficient)
• Collector-Emitter Voltage (V_CE): 300V
• Collector Current (I_C): 500mA
• Power Dissipation (P_tot): Up to 12.5W (with proper heatsink)
• DC Current Gain (hFE): 40–160 (typical)
• High Voltage Handling: Suitable for high-voltage switching
• Thermally Stable: Reliable under moderate load and temperature
• Durable Construction: Long-term stable operation in medium-power circuits

Applications:

• Complementary High-Voltage Amplifiers: Works with MJE340 in push-pull stages
• Voltage Regulators & Power Supplies: Stable medium-current regulation
• Relay & Solenoid Drivers: High-voltage switching applications
• Industrial Switching Circuits: Reliable control of moderate loads
• Audio Amplifiers: Medium-power high-voltage stages
• Educational & Hobby Projects: High-voltage electronics experiments
• General-Purpose Amplification: Medium-power high-voltage signal amplification

mje350-transistor-datasheet