Description
📦 Description:
The ST L7818CV is a 3-terminal positive voltage regulator that provides a fixed 18V output and supports up to 1.5A current. It is part of the renowned 78xx series and designed to operate with input voltages up to 35V, ensuring stable output for sensitive electronic applications.
Packaged in a TO-220 casing, this regulator offers excellent thermal performance and is ideal for use with a heatsink in high-load conditions. Features like internal thermal shutdown, current limiting, and short circuit protection make it robust for long-term use.
🧊 Note:
For optimal thermal performance, it is recommended to use a TO-220 compatible heatsink (e.g., 25x15x10mm with M3 mounting) along with thermal paste or pad.
Product colour may vary slightly depending on batch and availability. Functionality remains unchanged. (Refer to the product image for reference only. Always consult the datasheet for exact specifications.)
✅ Key Features:
Fixed Output Voltage: +18V
Output Current: Up to 1.5A
Package: TO-220 (3-pin)
Input Voltage: Up to 35V
Built-in thermal shutdown and current limiting
High-quality STMicroelectronics component
Ideal for use in analog and regulated power circuits
⚙️ Applications:
18V regulated power supply units
Audio amplifiers and analog circuits
Industrial control systems
Lab bench power supply projects
Embedded system voltage regulation
Arduino, sensor boards, and robotics
📐 Approx Dimensions (TO-220 Package):
Height (including leads): ~16 mm
Width (body): ~10 mm
Thickness: ~4.5 mm
Mounting Hole Diameter: ~3.5 mm
Pin Pitch: 2.54 mm standard
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