TIP152 NPN Silicon Power Darlington Transistor, TO-220
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Prices updated: 13 Oct 2026
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About this product
An NPN silicon power Darlington transistor in a TO-220 package, used to switch higher-current loads such as relays, solenoids and small motors from a low-current microcontroller output. The Darlington pair gives high current gain, so only a small base current is needed. Confirm the voltage and current ratings in the datasheet before use.
Specifications
- Type
- NPN silicon power Darlington
- Package
- TO-220
- Application
- General-purpose power driving (as listed)
- Pinout (TIP standard)
- Base, Collector, Emitter
Frequently asked questions
How do I drive this transistor from an Arduino?
Connect the base to a digital pin through a base resistor, commonly around 1 kΩ, but confirm the value against the datasheet. Connect the emitter to ground and the load between the supply and the collector. Add a flyback diode across inductive loads such as relays or motors.
What is the pinout of TIP152?
In the standard TIP order, viewed with the marked face toward you and the leads pointing down, the pins from left to right are Base, Collector and Emitter. The metal tab is connected to the collector. Confirm the pinout in the datasheet before wiring.
