L7812CV 12V Voltage Regulator IC
₹12.50
Trusted and durable 12V linear voltage regulator from STMicroelectronics in a TO-220 package. Ideal for regulated power supplies, Arduino/Raspberry Pi circuits, and general electronics.
100 in stock
Description
Technical Overview of the L7812CV 12V Voltage Regulator IC
The L7812CV 12V Voltage Regulator IC is a world-class fixed-output positive voltage regulator, engineered to deliver a consistent 12V DC supply. Housed in the industry-standard TO-220 package, this IC is a staple in power electronics, capable of providing up to 1.5A of continuous current. It is designed to take an unregulated DC input and convert it into a stable 12V output, making it indispensable for automotive electronics, industrial control systems, and computer peripherals. At BuyCircuitParts, we ensure our L7812CV regulators are sourced from top-tier manufacturers to keep your power systems “on track.”
Key Specifications and Functional Parameters
L7812CV 12V Voltage Regulator IC
To ensure this regulator matches your circuit’s demands, here are the primary technical specifications:
Output Voltage: Fixed +12.0V.
Output Current: Up to 1.5A (when used with an adequate heatsink).
Input Voltage Range: 14.5V to 35V (Recommended 15V to 24V for optimal efficiency).
Package Type: TO-220 (Standard through-hole).
Dropout Voltage: Typically 2.0V at full load.
Internal Protection: Thermal overload protection, short-circuit current limiting, and safe-area compensation.
Operating Temperature: 0°C to +125°C.
Why Choose the L7812CV for 12V Power Systems?
The L7812CV 12V Voltage Regulator IC is favored for its extreme durability and “plug-and-play” simplicity. Unlike switching power modules that generate high-frequency electromagnetic interference (EMI), this linear regulator provides a clean, ripple-free output. This makes it the ideal choice for powering sensitive analog sensors and communication modules where signal integrity is paramount. At BuyCircuitParts, our ICs are selected for their excellent load and line regulation, ensuring your 12V rail doesn’t “sag” even when the load increases or the input voltage fluctuates.
Common Applications for the L7812CV IC
The L7812CV 12V Voltage Regulator IC is a versatile component found in numerous electronic applications:
Automotive Accessories: Regulating fluctuating 12V–14.4V car battery power for LED lighting and audio systems.
Industrial PLC Boards: Providing a stable 12V logic supply from 24V industrial power rails.
Computer Power Supplies: Serving as a local regulator for 12V cooling fans and hard drive motor controllers.
Security Systems: Powering CCTV cameras and alarm sensors that require a fixed 12V DC input.
Lab Bench Supplies: Acting as the fixed 12V output stage in DIY and professional laboratory power equipment.
Pro-Tips for Circuit Integration
To maximize the reliability of your L7812CV 12V Voltage Regulator IC, follow these professional tips:
Pinout Identification: Looking at the labeled front of the TO-220 package, the pins are 1: Input, 2: Ground, 3: Output.
Essential Capacitors: For stability, always place a 0.33µF ceramic capacitor on the Input and a 0.1µF capacitor on the Output as close to the IC pins as possible to prevent high-frequency oscillations.
Thermal Management: The L7812CV dissipates heat based on the formula $P = (V_{in} – 12V) \times I_{out}$. If you are drawing more than 200mA from a 24V source, an aluminum heatsink is mandatory.
Metal Tab Connection: The metal tab of the L7812CV is internally connected to Pin 2 (Ground), which makes it safe to bolt directly to a grounded chassis.
Why Buy from BuyCircuitParts?
As a specialized seller, we understand that power failure is not an option. At BuyCircuitParts, our L7812CV 12V Voltage Regulator IC stock is sourced from reputable manufacturers like STMicroelectronics to ensure genuine internal safety features. We provide components with high-quality tinned leads for reliable soldering and clear markings for easy identification. Our fast shipping and focus on genuine hardware help you build professional-grade systems and keep your production “on track.”
Durability and Thermal Stability
The L7812CV 12V Voltage Regulator IC is designed for long-term industrial reliability. Its internal circuitry compensates for temperature variations, ensuring the 12V output remains within tolerance throughout its operational lifespan. Whether you are building a custom solar power controller, a robust robotics kit, or an industrial automation interface, this regulator provides the muscle and precision your silicon demands. By choosing BuyCircuitParts, you are investing in power management components designed for professional-grade success.
📐 Approx Dimensions (TO-220 Package):
Height (including leads): ~16.0 mm
Body Height (excluding leads): ~10.0 mm
Width: ~10.2 mm
Thickness: ~4.5 mm
Lead Pitch (spacing): 2.54 mm (standard 0.1″)
Hole Diameter (for mounting): ~3.3 mm
🧊 Note:
Product colour and markings may vary slightly based on manufacturer and batch. Functionality is guaranteed. (Refer to the product image for illustration only. For precise specifications, consult the datasheet.) For full electrical characteristics and thermal graphs, refer to the L7812CV Datasheet (PDF).
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Additional information
| Weight | 10 g |
|---|---|
| Dimensions | 1 × 1 × 2.7 cm |
| HSN | 85423100 |
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