Description

The 7812 Voltage Regulator is part of the 78xx series of fixed linear voltage regulators. It delivers a regulated 12V output with up to 1A current, protecting your circuits from voltage fluctuations. Widely used in Arduino, ESP32, and general electronics projects, it provides reliable power for sensors, modules, and other low-power devices.

Key Features

• Fixed 12V DC output voltage

• Input voltage range: 14–35V DC

• Maximum output current: 1A (with heatsink)

• Thermal overload and short-circuit protection

• Easy to use in DIY electronics and power supply circuits

• TO-220 package for easy mounting and heatsinking

Variants

• 7812 Standard Linear Voltage Regulator

• 7812 with pre-mounted heatsink

Specifications

Applications

• Arduino and ESP32 power supply

• Sensors and modules requiring 12V stable supply

• DIY electronics and hobby projects

• Small robotics and automation circuits

• General-purpose linear voltage regulation

Compatible Boards / Circuits

• Arduino Uno, Mega, Nano

• ESP32 / ESP8266

• Raspberry Pi (for peripheral 12V circuits)

• Any low-power electronics project needing 12V regulated supply