Laser Diode - 3V 5mW 650nm

This Laser Diode is the easiest way to add lasers to your projects! Just give it 3V and bam, your regular electronics project is now a laser project!

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Last Updated: 06/04/2023




This 3V 5mW 650nm Laser Diode is a fun little red laser that emits a laser beam similar to a laser pointer when given 3 Volts of power just like you'd get from two standard AAA or AA batteries.


  • Max Light Power: 5mW
  • Operating Voltage: 3V DC
  • Max Operating Current: 25mA
  • Laser Wavelength: 650nm
  • Operating Temperature: -36 C to 65 C
  • Working Life: More than 1000 hours
  • Dimentions:
    • Diameter: 6mm
    • Length: 13mm
    • Wire Length: 47mm


Would a 5v 2.1 amp output portable charger work to power 100 of these? I am wondering if the power would burn out the lasers or mess up the laser output.

Yes, but this is the 3V version. You can power 100 of the 5V ones with your portable charger. Here is the link to the 5 volt version:
Default User Icon Josh · 08/19/2020
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