655nm 5mW Red Laser Diode

The 655nm 5mW Red Laser Diodeis a compact semiconductor laser 

component designed forlaser positioning, alignment, measurement, 

testing equipment and optical applications.

Featuring a standardTO-18 metal can packageand compactØ5.6mm size, 

this red laser diode is easy to integrate into laser modules, 

optical instruments and customized electronic equipment.

With a nominal output wavelength of655nm ±5nmand output power of 5mW, 

the diode provides a visible red laser beam for applications requiring a compact and stable laser source.

The laser diode operates at DC 2.2Vwith a working current below45mA 

and offers a specified service life ofmore than 10,000 hoursunder appropriate operating conditions.

Key Features

• 655nm Visible Red Laser
• 5mW Output Power
• TO-18 Metal Can Package
• Ø5.6mm Compact Size
• 655nm ±5nm Wavelength
• DC 2.2V Working Voltage
• Working Current <45mA
• Service Life >10,000 Hours
• Continuous Operation
• Compact Semiconductor Laser Design
• Easy OEM Integration
• Custom Laser Solutions Available

Technical Specifications

Compact TO-18 Laser Diode

The TO-18 package provides a compact and durable metal housing 

for integration into optical and electronic equipment.

With a diameter of approximately5.6mm, 

the laser diode is suitable for applications 

where installation space is limited while a visible red laser source is required.

655nm Red Laser Output

The 655nm wavelengthprovides a clearly visible red laser beam suitable for positioning, 

alignment and optical reference applications.

The nominal output power is5mW, 

providing a practical balance between visible laser output and compact component design.

Laser Positioning & Alignment Applications

The 655nm 5mW red laser diode can be used in a wide range of positioning and optical applications, including:

• Sight Positioning
• Laser Positioning Systems
• Concentricity Positioning
• Optical Alignment
• Laser Testing Tools
• Measurement Equipment
• Medical Equipment Positioning
• Signal Equipment
• Optical Instruments
• Electronic Equipment
• Laboratory Equipment
• DIY Optical Projects
• Experimental Teaching Equipment

Long Service Life

The laser diode has a specified service life ofmore than 10,000 hoursunder suitable operating conditions.

The recommended working temperature is-10°C to +50°C, while the storage temperature range is-40°C to +80°C.

OEM & Custom Laser Diode Solutions

We provideOEM and ODM laser diode solutionsfor customers with specific optical and mechanical requirements.

Customization can be discussed for:

• Laser wavelength
• Output power
• Package
• Housing dimensions
• Optical configuration
• Working voltage
• Cable and connector
• Custom laser assembly
• OEM branding and packaging

For bulk orders or customized655nm red laser dioderequirements, please contact us with your application and technical specifications.

FAQ

What is the wavelength of this red laser diode?

The nominal output wavelength is655nm ±5nm.

What is the output power?

The rated output power is 5mW.

What package does the laser diode use?

It uses a standardTO-18 metal can package with a compact diameter of approximatelyØ5.6mm.

What is the operating voltage?

The working voltage is DC 2.2V.

What is the working current?

The working current isl ess than 45mA.

Can you provide OEM customization?

Yes. OEM and ODM solutions are available for selected wavelength, power, package and mechanical requirements.