638nm 7mW Red Laser Diode | HL63102MG | TO-18 5.6mm Laser Diode for Laser Modules

Product Description

The HL63102MG is a high-quality 638nm red laser diode manufactured by Ushio, designed for stable visible red laser output in a compact TO-18 (5.6mm) package. Featuring single transverse mode (TEM) operation, low threshold current, and excellent beam quality, it is suitable for precision optical applications.

This laser diode provides up to 7mW maximum optical output power, making it an excellent choice for laser modules, laser pointers, alignment equipment, measurement instruments, and research projects.

Features

✔ 638nm visible red laser wavelength

✔ Maximum optical output: 7mW

✔ Single transverse mode operation

✔ TO-18 (5.6mm) standard package

✔ Low threshold current

✔ Low operating current

✔ Low operating voltage

✔ Stable optical performance

✔ Built-in monitor photodiode

✔ High reliability from Ushio

Specifications

The specifications above are taken from the manufacturer's datasheet.

Applications

• Laser modules
• Laser pointers
• Laser leveling systems
• Distance measuring equipment
• Optical instruments
• Scientific experiments
• Industrial alignment
• DIY laser projects

Package Includes

• 1 × HL63102MG 638nm 7mW Laser Diode

Important Notes

• This product is a laser diode component only and requires a constant-current laser diode driver.
• Proper heatsinking is recommended during operation.
• Electrostatic discharge (ESD) precautions should be observed during handling.
• Never look directly into the laser beam or point it toward people or reflective surfaces.

Downloads

📄 Official Manufacturer Datasheet (PDF)

Download the official datasheet for complete electrical, optical, and mechanical specifications.

Download Datasheet (PDF)