BDX33C NPN Power Darlington Transistor 100V 10A TO-220 Package

BDX33C NPN Power Darlington Transistor 100V 10A TO-220 Package

The BDX33C is a high-current NPN Darlington power transistor designed for medium-to-high power amplification and heavy-duty switching applications. With a collector-emitter voltage of 100V and a collector current of up to 10A, it provides high current gain, low saturation voltage, and excellent thermal stability.

Housed in a TO-220 package, the BDX33C offers efficient heat dissipation, making it suitable for audio amplifiers, motor drivers, voltage regulators, and industrial switching circuits. Its Darlington configuration ensures enhanced current amplification, enabling it to drive medium-to-heavy loads reliably in professional, industrial, and hobbyist electronics projects.

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Features:

• Transistor Type: NPN Silicon Darlington Power Transistor
• Package: TO-220 (high thermal efficiency)
• Collector-Emitter Voltage (V_CE): 100V
• Collector Current (I_C): 10A
• Power Dissipation (P_tot): Up to 150W (with proper heatsink)
• High Current Gain (hFE): 1000–5000 (typical for Darlington pair)
• Low Saturation Voltage: Efficient switching and amplification
• High Thermal Stability: Reliable under medium-to-heavy current loads
• Durable & Reliable: Suitable for long-term professional and industrial use

Applications:

• High-Power Audio Amplifiers: Driver and output stages requiring high current
• Motor Drivers: Drives medium-to-high current motors, solenoids, and actuators efficiently
• Voltage Regulators & Power Supplies: Stable medium-to-high current regulation
• Industrial Switching Circuits: Medium-to-heavy-duty power control
• Relay & Solenoid Drivers: High-current switching applications
• Educational & Hobby Projects: Suitable for experimentation and prototyping
• Darlington Amplification Circuits: High current gain for medium-to-high power applications

bdx33c-transistor-datasheet