Violet flashlight driver board constant current board 700mA3.8V size 17mm 7135*2 7135IC circuit board. Nichia NCSU033B NCSU276A NCSU033C Seoul 3W LG3W can be used as long as 0.7A. Before buying, explain what lamp you use.

Introduction

LED constant current circuit, high current, especially suitable for 3W LED.

Input voltage is 3-6V.

Use the 7135IC combination of a sufficient quantity of 350MA each. 7135*2 output current: about 700MA PCB board diameter of about 17mm, using double-sided gold-plated version, excellent quality.

Suitable for single lithium battery or 3AA/4AA ordinary battery driver.

Suitable for flashlights, lamps, etc.

(Drive plate welding red and black output wire, wire red terminal LED positive, black terminal LED negative, the back of the metal ring battery input positive, the back of the outer metal ring battery input negative).

This driver board contains a small positive spring!