Pololu
Mini MOSFET Slide Switch with Reverse Voltage Protection, SV
The Mini MOSFET Slide Switch is a compact, breadboard-compatible power switch module that uses a pair of P-channel MOSFETs to deliver continuous currents up ...
The Mini MOSFET Slide Switch is a compact, breadboard-compatible power switch module that uses a pair of P-channel MOSFETs to deliver continuous currents up to 4.3 A at 4.5–32 V. It features built-in reverse-voltage protection, making it a reliable alternative to bulky mechanical power switches.
An integrated slide switch controls the high-side MOSFET, and the board also provides an "ON" control pin so you can use an external switch or microcontroller digital output to toggle power programmatically.
Key Features
- Operating Voltage – 4.5 V to 32 V (40 V absolute maximum)
- Continuous Current – 2.0 A at 55°C, 4.3 A at 150°C (7.2 A maximum)
- Low On-Resistance – 16 mΩ at 4.5 V, 50 mΩ at 10 V (combined MOSFET resistance)
- Reverse-Voltage Protection – Built-in P-channel MOSFET configuration prevents backflow
- External Control – "ON" pin accepts signals up to 30 V; driving above ~1 V turns the switch on
- Low Quiescent Current – ~65 µA/V in the on state (dominated by indicator LED)
- Green LED Indicator – Shows switch status at a glance
- Compact Size – 15.2 × 15.2 × 2.5 mm (0.6 × 0.6 × 0.1 in), 0.6 g
- Breadboard-Compatible – Standard 2.54 mm (0.1 in) pin spacing
Ideal For
- Battery-powered projects needing a compact power switch
- Breadboard prototyping with reverse-voltage protection
- Microcontroller-controlled power switching
Jargon buster
Plain-language definitions for the technical terms used above.
- LED
- A light-emitting diode is a small electronic component that lights up when current flows through it in the correct direction. In this kit, LEDs create the flashing effect, so polarity and correct soldering matter for the project to work.
- 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.
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