BD242C PNP Power Transistor 100V 3A TO-220 Package

BD242C PNP Power Transistor 100V 3A TO-220 Package

The BD242C is a high-current PNP silicon power transistor designed for medium-to-high power amplification and switching applications. It has a collector-emitter voltage of 100V and a collector current of up to 3A, offering robust performance, low saturation voltage, and excellent thermal stability.

Housed in a TO-220 package, the BD242C provides efficient heat dissipation, making it ideal for audio amplifiers, voltage regulators, motor drivers, and medium-to-high power switching circuits. It is commonly used in complementary circuits with BD241C (NPN) for push-pull amplifier stages, ensuring stable and reliable operation for professional, educational, and hobbyist applications.

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Features:

• Transistor Type: PNP Silicon Power Transistor
• Package: TO-220 (high thermal efficiency)
• Collector-Emitter Voltage (V_CE): 100V
• Collector Current (I_C): 3A
• Power Dissipation (P_tot): Up to 50W (with proper heatsinking)
• DC Current Gain (hFE): 40–160 (typical, depending on operating conditions)
• Low Collector Saturation Voltage: Efficient switching and amplification
• High Thermal Stability: Reliable operation under high current loads
• Complementary Device: Works with BD241C (NPN) for push-pull amplifier circuits
• Durable & Reliable: Suitable for long-term professional and hobbyist use

Applications:

• Audio Amplifiers: Medium-to-high power output and driver stages
• Voltage Regulators: Provides stable voltage and current
• Relay & Motor Drivers: Drives motors, solenoids, and relays efficiently
• Signal Amplification: Low- and medium-frequency analog circuits
• Power Switching Circuits: Medium-to-high power load switching
• Complementary Push-Pull Amplifiers: Works with BD241C (NPN) for balanced amplification
• Industrial, Educational & Hobby Projects: Ideal for prototyping and experimentation

bd242c-transistor-datasheet