L7805 L7812 Three‑Terminal Voltage Regulator Power Module 5V 12V Fixed Output Linear Regulator Board With Heatsink For DC Power Supply Circuit

L7805 L7812 Three‑Terminal Voltage Regulator Power Module

📌 Product Introduction

This three‑terminal voltage regulator power module adopts full‑wave bridge rectifier design, supporting both AC and DC non‑polarized input. Equipped with two 35V 220μF large electrolytic capacitors for buffer filtering, it delivers stable and smooth output current. Built‑in 3A rectifier bridge and high‑efficiency heatsink, it supports continuous high‑current output for long‑time stable operation. Two versions are optional: L7805CV (5V output) and L7812CV (12V output). Pre‑installed terminal blocks and mounting holes for convenient wiring and installation.

✨ Main Features

• ✅ 3A rectifier bridge, supports AC / DC non‑polarized input
• ✅ 2 × 35V 220μF high‑voltage electrolytic capacitors for buffer filtering
• ✅ High‑quality cooling heatsink for excellent heat dissipation performance
• ✅ High‑current regulator chip, stable output performance
• ✅ Screw terminal blocks for quick wiring
• ✅ Reserved mounting holes for easy fixed installation

📋 Technical Parameters

Item	L7805CV	L7812CV
Input Voltage	AC/DC 7.5‑20V (non‑polarized)	DC 15‑24V / AC 12‑18V
Output Voltage	5V	12V
Peak Output Current	1.2A	1.5A
Load Regulation	100mV	100mV
Quiescent Current	8mA	8mA
Output Noise Voltage	42uV	42uV
Input‑Output Voltage Differential	2V	2V
Output Impedance	15mΩ	15mΩ
Board Dimension	44 * 20mm	44 * 20mm
Weight	13.3g	13.3g
Working Temperature	-40℃ ~ +85℃	-40℃ ~ +85℃

⚠ Important Usage Notice

Kind reminder: If there are version differences or images not been updated, please refer to the actual product.