Voltage Regulator 7812
Category: Power
₦500.00
The 7812 Voltage Regulator is a fixed 12V linear regulator IC designed to provide a stable and reliable DC output voltage for electronic circuits and power supply applications.
Key Features
Fixed 12V DC output voltage
Part of the popular 78xx linear regulator series
Provides stable and regulated power supply
Built-in current limiting and thermal shutdown
Simple three-pin configuration
Low output noise and ripple
Reliable and widely used power component
Detailed Description
The 7812 voltage regulator is commonly used in electronic circuits where a stable 12V DC supply is required. It takes a higher DC input voltage and regulates it down to a fixed 12V output, ensuring consistent power delivery to sensitive components.
This regulator is extremely easy to use due to its simple three-pin design (Input, Ground, Output). It includes internal protection features such as current limiting and thermal shutdown, which help protect the IC and connected circuits from damage due to overload or overheating.
The 7812 is widely used in power supply designs, audio amplifiers, microcontroller projects, industrial electronics, and educational labs. When used with proper input filtering capacitors and a heatsink, it provides reliable and long-lasting performance.
Technical Specifications
Regulator Type: Linear Voltage Regulator
Model: 7812
Output Voltage: 12V DC (fixed)
Input Voltage Range: 14V – 35V DC
Maximum Output Current: 1A (with proper heatsink)
Dropout Voltage: ~2V
Package Type: TO-220
Protection: Thermal shutdown, short-circuit protection
What’s in the Box
1 × 7812 Voltage Regulator IC
Ideal For
12V regulated power supplies
Audio and amplifier circuits
Arduino and electronics projects
Industrial and DIY power designs
Educational and training use
Important Note
The 7812 is a linear regulator and can generate heat when stepping down from higher voltages. A heatsink is recommended for higher current applications. Ensure the input voltage is always at least 2V higher than the output voltage for proper regulation.