BC516 Darlington Transistor (-30V, -1A)

Overview

The BC516 Darlington Transistor is a high-gain NPN Darlington pair designed for general-purpose amplification and switching applications. With a collector-emitter voltage rating of -30V and a continuous collector current of -1A, this transistor provides excellent current gain (hFE) and is ideal for driving loads that require more current than a standard transistor can handle. Its Darlington configuration ensures high sensitivity, making it a reliable choice for hobbyists, students, and professionals working on embedded systems and robotics projects.

Key Features

• High Current Gain: Darlington pair configuration offers extremely high hFE, ensuring strong amplification with minimal base current.
• Versatile Voltage/Current Ratings: Handles up to -30V and 1A, suitable for a wide range of medium-power applications.
• NPN Polarity: Compatible with standard NPN transistor circuit designs.
• Low Saturation Voltage: Ensures efficient switching with minimal power loss.
• Durable TO-92 Package: Easy to handle and breadboard-friendly, perfect for prototyping.

Technical Specifications

• Transistor Type: NPN Darlington
• Collector-Emitter Voltage (Vceo): -30V
• Collector Current (Ic): -1A
• DC Current Gain (hFE): 1000 (minimum) at 500mA
• Collector-Emitter Saturation Voltage (Vce(sat)): 1.5V max at 500mA
• Transition Frequency (ft): 125 MHz
• Power Dissipation (Pd): 625mW
• Package: TO-92
• Operating Temperature Range: -55°C to +150°C

Applications & Use Cases

• Amplification Stages: Use as a pre-amplifier or driver stage in audio and sensor circuits.
• Switching Circuits: Drive relays, LEDs, motors, and other medium-power loads.
• Robotics: Interface microcontrollers with actuators and motor drivers.
• Signal Conditioning: Boost weak sensor signals for ADC inputs.
• Educational Projects: Ideal for learning about transistor behavior and Darlington pairs.

What's Included

• 1x BC516 Darlington Transistor (TO-92 package)

Compatibility

• Compatible with standard breadboards and PCBs.
• Works with Arduino, Raspberry Pi, and other microcontrollers (with appropriate base resistor).
• Drop-in replacement for many general-purpose NPN Darlington transistors.

MOKWN Recommendation

The BC516 is an excellent choice for makers who need reliable high-gain switching without complex circuitry. Whether you're building a motor driver or amplifying sensor outputs, this transistor delivers consistent performance. For beginners, we recommend starting with simple LED or relay circuits; for advanced users, integrate it into your robotics projects for robust load driving. Order today and power up your next creation!