lilly electronics
650nm 100mW Red Laser Module Dot Line Cross Beam 3V Fixed Focus Locator
650nm 100mW Red Laser Module Dot Line Cross Beam 3V Fixed Focus Locator
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Product Overview
This compact 650nm red laser module produces a visible red dot, straight line, or cross-line beam for positioning, alignment, marking, sensing, and electronic projects.
Choose the beam pattern that best fits your application. The module features a fixed-focus lens, automatic constant-current control, a compact copper housing, and pre-attached power wires for convenient installation.
Key Features
- Visible red laser with a nominal 650nm wavelength
- Dot, line, and cross-beam options
- Maximum rated optical output below 100mW
- Fixed-focus optical design
- Compact 12 × 18mm size
- 3V DC operating voltage
- Automatic constant-current control circuit
- Pre-attached red and black power wires
- Copper housing for effective heat transfer
- Suitable for alignment, positioning, marking, sensing, and DIY electronic projects
Specifications
| Specification | Details |
|---|---|
| Product type | Red laser diode module |
| Laser color | Red |
| Nominal wavelength | 650nm |
| Manufacturer-stated wavelength | 650 ± 10nm |
| Optical output power | Less than 100mW |
| Laser safety class | Class 3B / Class IIIb |
| Beam pattern options | Dot, line, or cross |
| Focus type | Fixed focus |
| Operating voltage | 3V DC |
| Maximum operating current | Less than 120mA |
| Module dimensions | Approximately 12 × 18mm |
| Circuit control | Automatic constant-current control |
| Operating temperature | 0°C to 40°C |
| Positive connection | Red wire (+) |
| Negative connection | Black wire (−) |
| Housing material | Copper |
| Quantity | 1 module |
Available Beam Patterns
- Dot: Produces a concentrated red dot
- Line: Projects a straight red reference line
- Cross: Projects intersecting horizontal and vertical red lines
Please select the required beam pattern before adding the product to your cart.
Typical Applications
- Alignment and positioning systems
- Reference-line projection
- Equipment integration
- Optical experiments
- Sensing and detection projects
- DIY electronics and prototyping
Actual suitability depends on the design of the finished equipment and its safety controls.
Wiring Instructions
- Connect the red wire to the positive terminal (+).
- Connect the black wire to the negative terminal (−).
- Use a regulated 3V DC power supply.
- Confirm the polarity before applying power.
Incorrect voltage, reversed polarity, overheating, or operation outside the specified limits may permanently damage the module.
Package Contents
- 1 × 650nm 100mw red laser module in the selected beam pattern
Laser Safety Warning
LASER RADIATION — CLASS 3B LASER PRODUCT
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Arrived well packaged and works as described. Beam output is stable and matches the listed specifications. Easy to integrate into our setup.