BD238 PNP Bipolar Medium Power Transistor 80V 2A TO-126 Package

BD238 PNP Bipolar Medium Power Transistor 80V 2A TO-126 Package

The BD238 is a medium-power PNP silicon transistor designed for amplification and switching applications that require higher current handling. With a collector-emitter voltage of 80V and a collector current of up to 2A, it provides stable performance, low saturation voltage, and high thermal reliability.

Encased in a TO-126 package, the BD238 ensures efficient heat dissipation, making it ideal for audio amplifiers, motor drivers, voltage regulators, and general-purpose medium-power circuits. It is commonly used in complementary amplifier stages and medium-power switching applications, offering reliable operation for industrial, educational, and hobbyist projects.

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Features:

• Transistor Type: PNP Silicon
• Package: TO-126 (medium-power, high thermal efficiency)
• Collector-Emitter Voltage (V_CE): 80V
• Collector Current (I_C): 2A
• Power Dissipation (P_tot): Up to 25W (with proper heat sinking)
• DC Current Gain (hFE): 40–250 (typical)
• Low Saturation Voltage: Ensures efficient switching and amplification
• High Thermal Stability: Reliable performance under varying temperatures
• Complementary Device: Works with BD237 (NPN) in push-pull amplifier stages
• Durable & Reliable: Suitable for long-term use in medium-power circuits

Applications:

• Audio Amplifiers: Medium-power output and driver stages
• Voltage Regulators: Provides stable voltage and current control
• Relay & Motor Drivers: Efficiently drives motors, solenoids, and relays
• Signal Amplification: Low- to medium-frequency analog applications
• Switching Circuits: Medium-power load switching with reliable performance
• Complementary Circuits: Works with BD237 NPN transistor in push-pull designs
• Educational & Hobby Projects: Ideal for experimentation and prototyping

bd238-transistor-datasheet