Product Overview
Experience precision illumination with our 10/5PCS 5mW 650nm 3V Laser Diode Red Dot Laser Module. Designed for hobbyists, DIY electronics, and professional projects, this compact copper‑head module delivers a bright, focused red dot with exceptional reliability and ease of integration.
Key Highlights
- High‑Brightness 5mW Output: Ideal for laser pointers, alignment tools, and optical experiments.
- Optimal Wavelength 650 nm: Provides a clear, visible red dot suitable for a wide range of applications.
- Low Power 3 V Operation: Perfect for battery‑powered circuits, USB power, or low‑voltage microcontrollers.
- Copper Head Design: Enhances heat dissipation and ensures long‑term performance.
- Pre‑wired Circuit Module: Ready to plug into your PCB or breadboard – no extra components needed.
- Durable Package: 10 or 5‑piece sets available, each diode is encapsulated for maximum protection.
Technical Specifications
- Power Output: 5 mW (typical)
- Operating Voltage: 3 V DC
- Wavelength: 650 nm (red)
- Beam Divergence: < 10 mrad
- Package: TO‑92 with copper heat sink
- Maximum Current: 20 mA
- Operating Temperature: –40 °C to +85 °C
Applications & Benefits
This laser diode module is perfect for:
- Laser pointers and presentation tools
- Optical alignment and calibration systems
- Educational kits and STEM projects
- DIY laser engraving and cutting prototypes
- Safety and training equipment (low‑power)
Its low power consumption and copper heat sink make it safe, efficient, and reliable for continuous use.
Package Contents
- 10 or 5pcs Laser Diode Modules (depending on chosen set)
- Silk‑screened PCB layout guide (PDF)
- Quick‑start wiring diagram
- Warranty information and support contacts
Why Choose Our Laser Diode Module?
Built with precision and quality, our 5mW 650nm laser diodes provide consistent performance and easy integration into any project. Whether you’re a seasoned engineer or a hobbyist, the copper‑head design ensures reliable heat management, while the low‑voltage operation keeps power costs down. Upgrade your electronics with a laser module that combines affordability, durability, and outstanding optical output.
Price: Original price was: $ 5.68.$ 1.93Current price is: $ 1.93.

