
L7812 12V Linear Voltage Regulator IC – TO-220
QAR 3.00/ unit
Arrives by 17 October · Standard · Delivery from QAR 50
Express: 15 October · Economy: 21 October
Description
The L7812 is a fixed-output linear voltage regulator designed to provide a stable 12V DC output from a higher input voltage source. It uses internal reference circuitry and pass transistors to maintain constant voltage regulation under varying load and input conditions. The device includes built-in current limiting and thermal shutdown protection , ensuring safe and reliable performance. With minimal external component requirements and a robust TO-220 package , the L7812 is ideal for powering analog circuits, control systems, relays, and industrial electronics. Features • Fixed 12V regulated output • Maximum output current up to 1A • Wide input voltage range (14V to 35V) • Built-in current limiting protection • Thermal shutdown protection • Internal short-circuit protection • Stable linear voltage regulation • Low external component requirement • Suitable for analog and control circuits • Reliable industrial power supply solution • TO-220 package for effective heat dissipation • Easy PCB mounting • Low ripple output • Simple power design integration Tutorials • L7812CV | Voltage Regulator Tutorial
Specifications
| Model | L7812 |
|---|---|
| Device Type | Linear Voltage Regulator |
| Output Voltage | 12V Fixed |
| Maximum Output Current | 1A |
| Input Voltage Range | 14V to 35V |
| Dropout Voltage (Typical) | 2V |
| Output Voltage Tolerance | ±4% |
| Protection Features | Current Limit, Thermal Shutdown, Short Circuit Protection |
| Quiescent Current | Typical 6mA |
| Line Regulation | Typical 50mV |
| Load Regulation | Typical 100mV |
| Operating Temperature Range | -40°C to +125°C |
| Package Type | TO-220 |
| Mounting Type | Through-Hole |
| Application Type | Power Regulation |
- Category
- Chips and ICs