BD911 NPN Power Transistor 100V 15A TO-220 Package

BD911 price NPN Power Transistor 100V 15A TO-220 Package

The BD911 is a high-current NPN silicon power transistor designed for high-power amplification and switching applications. With a collector-emitter voltage of 100V and a collector current of up to 15A, it delivers robust performance, low saturation voltage, and excellent thermal stability.

Housed in a TO-220 package, the BD911 allows efficient heat dissipation, making it suitable for high-current audio amplifiers, motor drivers, voltage regulators, and industrial switching circuits. Its high current handling capability ensures reliable performance in demanding applications, making it a preferred choice for industrial, educational, and hobbyist electronics projects.

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Features:

• Transistor Type: NPN Silicon Power Transistor
• Package: TO-220 (high thermal efficiency)
• Collector-Emitter Voltage (V_CE): 100V
• Collector Current (I_C): 15A
• Power Dissipation (P_tot): Up to 150W (with proper heatsink)
• DC Current Gain (hFE): 20–70 (typical, depending on operating conditions)
• Low Saturation Voltage: Efficient switching and amplification
• High Thermal Stability: Reliable operation under heavy current loads
• Durable & Reliable: Suitable for long-term professional and industrial use

Applications:

• High-Power Audio Amplifiers: Output stages requiring high current
• Motor Drivers: Efficiently drives high-current motors and solenoids
• Voltage Regulators & Power Supplies: Handles high load currents reliably
• Industrial & Power Switching Circuits: High-current load control
• Relay & Solenoid Drivers: Heavy-duty switching applications
• Educational & Hobby Projects: Suitable for experimentation and prototyping

bd911-transistor-datasheet