
Transistor/MOSFET
TIP120 Darlington Transistor
The TIP120 is a high-power NPN Darlington transistor in a TO-220 package, capable of handling up to 5A and 60V. It is ideal for switching and amplifying moderate loads like motors, relays, and LEDs in DIY electronics projects.
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About TIP120 Darlington Transistor
The TIP120 is a robust NPN Darlington transistor designed for general-purpose amplification and low-speed switching applications. It features a monolithic Darlington configuration with a high DC current gain (hFE) of typically 2500, allowing it to be driven by low-current microcontroller pins (like Arduino or Raspberry Pi) to control higher current loads. With a maximum collector-emitter voltage of 60V and a continuous collector current of 5A, it is perfect for driving DC motors, solenoids, relays, and high-power LEDs. The TO-220 package ensures easy mounting and effective heat dissipation. This transistor is widely used in power supply circuits, automation projects, and motor driver boards. Choose the TIP120 for its reliability, high gain, and compatibility with standard prototyping setups. It is a cost-effective solution for hobbyists and engineers looking to switch loads up to 60V and 5A safely.
Technical Specifications
| Transistor Type | NPN Darlington |
|---|---|
| Collector-Emitter Voltage (VCEO) | 60V |
| Collector-Base Voltage (VCBO) | 60V |
| Emitter-Base Voltage (VEBO) | 5V |
| Maximum DC Collector Current | 5A |
| Power Dissipation | 65W |
| DC Current Gain (hFE) | 2500 (Typical) |
| Mounting Style | Through Hole |
| Package / Case | TO-220 |
| Number of Pins | 3 |
| Operating Temperature Range | -55°C to 150°C |
| Collector Cut-off Current | 200 µA |
Component Datasheet
Download the official datasheet for TIP120 Darlington Transistor
Download Datasheet (PDF)Alternative Components
TIP121
TIP122
TIP125
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