LM7812 / 7812 12V Fixed Positive Voltage Regulator IC (1.5A, TO-220 Package)
The 7812 (LM7812) 12V Fixed Linear Voltage Regulator IC in a standard TO-220 package provides a constant, ultra-stable +12V DC output from unregulated input voltages ranging from 14.5V up to 35V. Capable of delivering up to 1.5A continuous output current with proper heatsinking, this 3-pin IC features integrated short-circuit current limiting, thermal shutdown overload protection, and safe-area compensation. It is an essential component for DIY robotics, power supply modules, microcontroller circuits, motor drivers, audio amplifiers, and industrial electronics requiring clean +12V regulation.
₹ 32
₹ 49
This IC ensures a constant and regulated 12V output, even when input voltage or load conditions vary.
Key Features
- Fixed +12V regulated output
- Input voltage range: higher DC input (typically 14V–35V)
- Built-in thermal overload protection
- Short-circuit protection
- Simple and easy-to-use design
- No external components required for basic operation
- TO-220 package for better heat dissipation
- Reliable and widely used in power circuits
Technical Specifications
| Parameter | Specification |
|---|---|
| IC Type | Linear Voltage Regulator |
| Series | 78xx Series |
| Output Voltage | +12V Fixed |
| Input Voltage Range | ~14V to 35V DC |
| Output Current | Up to 1A (with heat sink) |
| Package Type | TO-220 |
| Protection | Thermal shutdown, short-circuit protection |
| Efficiency | Linear regulation (low noise, moderate efficiency) |
How to Use
- Provide DC input higher than 12V (recommended 15V–24V)
- Connect input to IN pin and ground to GND
- Take regulated +12V output from OUT pin
- Use heat sink for higher load currents
- Add capacitors (optional) for stability
- Ensure proper polarity before powering
Applications
- DC regulated power supplies
- Arduino and microcontroller circuits
- Audio amplifier circuits
- Industrial control systems
- Sensor and communication modules
- DIY electronics projects
- Battery-powered regulation systems
Package Includes
1 * 7812 dc Voltage Regulator IC – 12V Fixed Linear Voltage Regulator (TO-220 Package)
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