650nm 6mm 5V DC 5mW Mini Laser Dot Diode Module (Precision Industrial Brass Red Dot Laser Head)
Introduce pinpoint target alignment, non-contact optical tracking, and light-barrier sensory loops into your hardware projects with the premium 650nm 6mm 5V DC 5mW Mini Laser Dot Diode Module. Housed inside a precision-machined, heavy-duty industrial brass casing, this ultra-miniature laser head projects a highly concentrated, bright red circular dot over long distances with exceptional alignment accuracy.
Standard light-emitting diodes scatter light across wide fields, making them completely ineffective for precise position marking, optical perimeter security, or long-range line-of-sight data transmission. This miniature module solves that by aligning a premium semiconductor laser diode with a high-transmittance internal focusing lens, outputting a stable 5-milliwatt beam that remains sharp across large workspaces. It serves as the definitive optical choice for laser security barriers, industrial object counting lines, custom 3D scanners, and automated targeting arrays.
Key Features
Industrial Brass Housing Shell: Enclosed in a solid brass cylindrical frame that protects the internal optics while acting as a minor heat sink to extend the laser diode's working lifetime.
Highly Focused Red Dot Target: Emits a tight, sharp 650-nanometer wavelength red laser beam that creates a clearly visible circular dot on distant targets under standard ambient lighting.
Low-Power 5V Direct-Current Logic: Fully optimized to run smoothly on standard 5V logic rails, drawing minimal current so it can be driven directly through common switching transistors.
Ultra-Compact 6mm Diameter Profile: Engineered with a miniature 6 mm barrel width that allows it to slide effortlessly into tight enclosures, custom drill holes, or robotic arm effectors.
Flexible Dual-Conductor Flying Leads: Pre-fitted with flexible insulated power wires (Positive and Negative) to make splicing or connecting into custom prototyping terminals quick and simple.
Seamless Customization Support: Built around an exceptionally versatile manufacturing outline. If your custom hardware setup requires specialized wire harness lengths, unique barrel mount dimensions, or alternative logic voltage matching, we can easily customize the physical configuration to fit your exact blueprint specifications.
Technical Specifications
Feature | Specification |
Laser Emitting Wavelength | 650 nanometers (Bright Ruby Red Spectrum) |
Outer Cylinder Outer Diameter | 6 mm Machine-Pressed Barrel |
Nominal Operating Voltage | DC 5V Standard (Highly stable down to DC 4.5V) |
Optical Output Beam Power | 5 milliwatts continuous threshold limit |
Target Output Pattern Style | Concentrated Circular Focal Dot |
Chassis Shell Material | Heavy-Duty Machined Brass Alloy |
Design Flexibility Feature | Custom wire lengths, barrel modifications, and voltage options accepted on demand |
Hardware Wiring Blueprint
The flexible flying leads use universal color coding to ensure rapid, error-free integration into your digital power grid:
Red Wire (Positive Terminal +): Connect to your system direct-current 5V power supply rail (can be routed through a transistor or multi-channel relay board for automated pulsing control).
Black Wire (Negative Terminal -): Connect to the common reference grounding or negative power return track of your control grid.
Common Applications
Laser Boundary Security Barriers: Pair with a light-dependent resistor or photodiode sensor at the opposite side of a room to construct a hidden tripwire alarm matrix.
Automated Product Counting Loops: Install directly across factory conveyor tracks to build a non-contact break-beam counter that logs when passing objects interrupt the laser dot.
Robotic Aiming & 3D Scanning: Mount onto multi-axis servo joints or autonomous rovers to project a physical optical tracking dot for camera-based spatial calibration.
Educational Academic Vocational Labs: An exceptional, highly visible instructional component for teaching students about optics, light physics, sensor integration, and advanced automation circuits.
Package Includes:
1 x 650nm 6mm 5V DC 5mW Mini Laser Dot Diode Module (with Attached Power Leads)