Power Supplies

A lever-action wiring block connector with one input and five outputs, ideal for quick power or signal fan-outs without soldering, crimping, or too...

A general-purpose 1N4004 rectifier diode rated for 1 A continuous forward current and 400 V peak reverse voltage. A versatile component for reverse...

It’s blue! It’s thin! It’s the Arduino Pro Mini! SparkFun’s minimal design approach to Arduino. This is a 5V Arduino running the 16MHz bootloade...

A 2×AA battery holder with a sliding cover secured by a Phillips head screw and a built-in ON/OFF switch for convenient power control. The 150mm ti...

The Sunflower Solar Power Manager 5V is a high-efficiency solar power management module designed for 5 V solar panels. It features MPPT (Maximum Po...

This 20W adjustable DC-DC boost converter with a digital display is based on the professional boost chip and supports 3~32V power input, 5~35V ou...

The LD1117V33 is a low-dropout (LDO) positive voltage regulator with a fixed 3.3V output. With on-chip trimming providing ±1% output voltage tolera...

Lithium ion polymer (also known as 'lipo' or 'lipoly') batteries are thin, light and powerful. The output ranges from 4.2V when completely charg...

The UPS HAT (D) is a powerful uninterruptible power supply designed for Raspberry Pi, offering seamless charging and power output with dynamic path...

A DC-DC buck-boost converter module that accepts input voltages both higher and lower than the desired output, delivering a stable regulated output...

This compact DC micro submersible pump from ElecFreaks operates at 3V, making it easy to integrate into microcontroller-based projects. It comes eq...

A classic 9V battery snap connector with bare wire leads, 15 cm in length. Pair it with a DC Barrel Jack Adapter – Male to power an Arduino directl...

This is the basic L7805 voltage regulator, a three-terminal positive regulator with a 5V fixed output voltage. This fixed regulator provides a l...

A small, but mighty power supply. This board was designed to be as small and inconspicuous as possible. Pop in a AAA battery, flip the power switch...

This USB to RS485 converter module( USB 1.1，USB 2.0，USB 3.0 compatible) can expand one RS485 asynchronous communication interface from a computer’s...

The Adafruit Micro-Lipo Charger is a tiny, easy-to-use charger for single-cell 3.7V/4.2V lithium polymer and lithium ion rechargeable batteries. Si...

High-quality radial electrolytic capacitors rated at 100 µF / 25 V. Ideal for power supply decoupling, transient suppression, and smoothing voltage...

1/6th Watt, +/- 5% tolerance PTH resistors. Commonly used in breadboards and perf boards, these 10K resistors make excellent pull-ups, pull-down...

This 40W high power DC-DC Buck converter offers a 6~14V input voltage range and up to 5V/8A output. Featuring a small body, high conversion ratio, ...

A 100 mm (4″) cable fitted with JST-PH 3-pin connectors on both ends. The latching connectors provide a secure, compact connection that won't come ...

Lithium ion polymer (also known as 'lipo' or 'lipoly') batteries are thin, light and powerful. The output ranges from 4.2V when completely charg...

This professional-grade solder sucker features a machined aluminium body and a replaceable silicone rubber tip that won't melt on contact with hot ...