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PROJECT NAME:  650nm 5mW Laser Red Dot Diode Module Red Laser Pointer


Encapsulated laser diode, Class IIIa 5mW, with a 650nm (Red) wavelength. Can be driven from 3.0V to 5.0V DC so they're great for your embedded electronics project, robot or other application.

Note: This is not a laser pointer. It's a diode with integrated driver. You require a 3 to 5VDC power supply. These diodes are 5mW output, and have a safety label marked on them.

·                 Working life: more than 2000 hours

·         Spot mode: Dot Facula, continuous output

·         Laser wavelength: 650nm (Red)

·         Outer Diameter: 6mm

·         Light power: <5mW

·         Supply Voltage: 3VDC

·         Operating Current: <40mA

·         Operating temperature: -36 ~ 65

·         A laser pointer or laser pen is a small handheld device with a power source (usually a battery) and a laser diode emitting a very narrow coherent low-powered laser beam of visible light, intended to be used to highlight something of interest by illuminating it with a small bright spot of colored light. Power is restricted in most jurisdictions not to exceed 5 mW.

·         The small width of the beam and low power of typical laser pointers make the beam itself invisible in a reasonably clean atmosphere, only showing a point of light when striking an opaque surface. Some higher-powered laser pointers project a visible beam via scattering from dust particles or water droplets along the beam path. Higher-power and higher-frequency green or blue lasers may produce a beam visible even in clean air because of Rayleigh scattering from air molecules, especially when viewed in moderately-to-dimly lit conditions. The intensity of such scattering increases when these beams are viewed from angles near the beam axis. Such pointers, particularly in the green-light output range, are used as astronomical-object pointers for teaching purposes.

·         The low-cost availability of infrared (IR) diode laser modules of up to 1000 mW (1 watt) output has created a generation of IR-pumped frequency doubled called diode-pumped solid-state laser laser pointers in green, blue, and violet, of higher visible power, typically up to 300 mW. Because the IR-laser component in the beams of these visible lasers is difficult to filter out, and also because filtering it contributes extra heat which is difficult to dissipate in a small pocket "laser pointer" package, it is often left as a beam component in cheaper high-power pointers. This invisible laser light component causes a degree of extra potential hazard in these devices when pointed at nearby objects and people.

·         Laser pointers make a potent signaling tool, even in daylight, and are able to produce a bright signal for potential search and rescue vehicles using an inexpensive, small and lightweight device of the type that could be routinely carried in an emergency kit.

·         If aimed at a person's eyes, laser pointers can cause temporary disturbances to vision. There is some evidence of rare minor permanent harm, but low-powered laser pointers are not seriously hazardous to health. They may be a major annoyance in some circumstances. A dot of light from a red laser pointer may be thought to be due to a laser gunsight.[1] When pointed at aircraft at night, laser pointers may dazzle and distract pilots, and increasingly strict laws have been passed to ban this.


  • Material: Plastic + copper
  • - Voltage: DC 3V
    - Working current: < 40mA
    - Input power: 150mW
    - With red dot
    - Wavelength: 650nm
    - Output laser power: < 5mW
  • - Cable length: 4.6cm
    - Working temperature: -36~65'C
    - Perfect for DIY project

Applications :

  • educational and business presentations and visual demonstrations as an eye-catching pointing device
  • Green laser pointers can be used for similar purposes as well as outdoors in daylight or for longer distances.
  •  amateur astronomy
  • Industrial and research use

fields such asphotonicschemistryphysics, and medicine

  • Leisure and entertainment

Ø  CNC or Laser Engraver position identification

Ø  Laser test tools

Ø  Concentricity positioning

Ø  Medical equipment positioning

Ø  Production of signal equipment

Ø  Use for DIY or robots



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