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TIP122 NPN Transistor
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The TIP122 is an NPN Darlington transistor in a TO-220 package, commonly used for switching and driving high-current loads such as motors, solenoids, and rel...
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The TIP122 is an NPN Darlington transistor in a TO-220 package, commonly used for switching and driving high-current loads such as motors, solenoids, and relays from microcontroller logic signals.
Specifications
- Type – NPN Darlington (BJT)
- Package – TO-220
- Collector-Emitter Voltage (Vce) – 100 V
- Collector Current (Ic) – 5 A
- Power Dissipation – 65 W (at 25°C)
- DC Current Gain (hFE) – 1000 min
- Mounting – Through-hole, solder legs
Jargon buster
Plain-language definitions for the technical terms used above.
- microcontroller
- A microcontroller is a small computer on a chip that runs your program and controls connected inputs and outputs. For this product, it is the part that reads buttons and sensors, drives the display and speaker, and communicates over Bluetooth.
- Power dissipation
- Power dissipation is electrical energy being turned into heat inside a component. It matters because too much heat can reduce efficiency, affect reliability, or require a larger component or better cooling.
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