REG1117-3.3 800mA LDO Linear Voltage Regulator SOT-223 – 5 Pack

$83.61 $104.10

REG1117-3.3/2K5 Linear Voltage Regulator IC – 5-Piece Pack

Get reliable, stable 3.3V output with this 5-pack of REG1117-3.3/2K5 Linear Voltage Regulator ICs. Housed in a compact SOT-223 surface-mount package, these chips deliver up to 800mA of output current — making them a go-to choice for engineers, hobbyists, and electronics technicians working on embedded systems, microcontroller boards, and custom PCB designs.

Key Specifications

Part Number: REG1117-3.3/2K5
Output Voltage: 3.3V (Fixed)
Output Current: Up to 800mA
Package: SOT-223
Type: Low Dropout (LDO) Linear Voltage Regulator
Condition: New
Quantity: 5 pieces per order
High-Concern Chemicals: None

Why Choose the REG1117-3.3/2K5?

Stable 3.3V Regulation: Provides a clean, consistent output voltage ideal for powering 3.3V logic devices, sensors, and microcontrollers.
Low Dropout Design: Operates efficiently with minimal voltage difference between input and output, conserving energy in battery-powered and low-power designs.
SOT-223 Package: Compact surface-mount footprint with excellent thermal dissipation, suitable for dense PCB layouts.
High Output Current: Supports up to 800mA — enough headroom for most embedded and IoT applications.
Value Pack: Comes as a set of 5, so you always have spares on hand for prototyping, repairs, or production runs.

Ideal Applications

Arduino, Raspberry Pi, and other microcontroller-based projects
Custom PCB power supply stages
IoT and embedded systems development
3.3V logic level conversion circuits
Sensor and module power regulation
Electronics repair and component replacement

Related Products You May Like

Made in Mainland China.

Learn more: OSHA guidance on hand and power tools

Frequently Asked Questions

Q: What is the REG1117-3.3/2K5 linear voltage regulator used for?

A: The REG1117-3.3/2K5 is a fixed 3.3V low dropout (LDO) linear voltage regulator commonly used to supply stable 3.3V power to microcontrollers, sensors, IoT modules, and other logic-level components in custom PCB designs and embedded systems projects.

Q: What package type is the REG1117-3.3/2K5, and is it surface-mount compatible?

A: Yes — the REG1117-3.3/2K5 comes in a SOT-223 package, which is a standard surface-mount (SMD) footprint. It is widely compatible with most PCB design software footprint libraries and offers good thermal performance for its compact size.

Q: How many units are included in this listing?

A: This listing includes 5 pieces of the REG1117-3.3/2K5 linear voltage regulator IC, providing great value for prototyping, repairs, or small production runs where having spare components is essential.

Q: What is the maximum output current of the REG1117-3.3 regulator?

A: The REG1117-3.3/2K5 supports a maximum output current of 800mA (0.8A), making it well-suited for powering 3.3V microcontroller boards, wireless modules, and sensor arrays in typical embedded electronics applications.