The TIP122 NPN Darlington Power Transistor (100V 5A) is a versatile and high-gain transistor widely used in power amplification, switching, and motor control applications. It is built using the Darlington pair configuration, which provides a very high current gain, making it ideal for driving loads directly from low-level control signals such as microcontrollers or logic circuits.
This transistor can handle a collector-emitter voltage of up to 100V and a continuous collector current of 5A, allowing it to drive medium to high-power loads like DC motors, solenoids, relays, LED arrays, and other inductive or resistive devices. The Darlington configuration ensures low base current requirements, making it suitable for interfacing with digital circuits without additional driver stages.
The TIP122 is commonly used in robotics, automation projects, motor drivers, switching regulators, and power amplifiers. With its robust design, high gain (hFE typically >1000), and ability to dissipate significant power when properly heat-sinked, it is a reliable component for various electronic and electrical projects.
Key Features:
- NPN Darlington Power Transistor
- Collector-Emitter Voltage (Vce): 100V
- Continuous Collector Current (Ic): 5A
- High Current Gain (hFE): typically 1000
- Low base current requirement
- TO-220 package for easy mounting and heat dissipation
- Suitable for switching, motor control, amplifiers, and power regulation
Applications:
- Motor drivers and robotics
- Power switching circuits
- Relay and solenoid drivers
- LED dimming and lighting control
- Audio and power amplifiers
- Industrial and DIY electronics projects
Package Type: TO-220
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