ML501P73 5.6mm Capless PKG 638nm 500mW Red Laser Diode
The 638nm 500mW red laser diode from Mitsubishi is a high-performance semiconductor laser diode engineered to deliver robust, efficient optical output for professional applications. Tuned to a vibrant 638nm visible wavelength (typical), it stands out as a reliable light source for both pulsed and continuous-wave (CW) operations — boasting a maximum 1.0W output in pulsed mode and a steady 0.5W (500mW) in CW mode, making it versatile enough to meet diverse power needs.
Packaged in a compact Ø5.6mm capless form factor, this laser diode balances power with portability, simplifying integration into space-constrained setups. Its bright 638nm emission (ideal for visible-light applications) and high efficiency make it a top choice for scenarios like display systems (where vivid, consistent light is critical) and biomedical equipment (where precision and reliability are non-negotiable).
Whether deployed in professional displays or specialized medical tools, the ML501P73 combines Mitsubishi’s engineering quality with high power, efficiency, and compactness — making it a standout solution for demanding optical projects.
Core Specification:
| Wavelength | 638nm |
| Output Power | 500mW |
| Working Voltage | 2.2V |
| Package | TO18 5.6mm |
| Condition | Original package and brand new |
| Lifespan | > 10,000 hours |
BU-LASER has other Laser diodes from 375nm to 1064nm:
| Color | Wavelength | Power Range | Package |
| UV | 375nm | 500mW | TO5-9mm |
| UV | 380nm | 200mW | TO18-5.6mm |
| Violet | 395nm | 300mW | TO18-5.6mm |
| Violet | 405nm | 20mW-3W | TO18-5.6mm /TO5-9mm |
| Blue | 425nm | 1.5W | TO18-5.6mm |
| Blue | 435nm | 5W-7W | TO5-9mm |
| Blue | 450nm/455nm | 80mW -5.5W | TO18-5.6mm /TO5-9mm |
| Blue | 462nm/ 465nm | 1.4W- 2.8W | TO5-9mm |
| Cyan | 488nm | 55mW-300mW | TO18-5.6mm |
| Green | 515nm/520nm | 10mW-1.6W | TO18-3.8mm/TO18-5.6mm/TO5-9mm /Frame |
| Red | 635nm/638nm/642nm | 5mW-2.5W | TO18-3.8mm/TO18-5.6mm/TO5-9mm |
| Red | 650nm /658nm/660nm | 5mW-1W | TO18-3.3mm/TO18-3.8mm/TO18-5.6mm/C-mounted / Frame |
| Red | 670nm | 5mW | TO18-5.6mm |
| Infrared | 780nm/785nm | 5mW-200mW | TO18-5.6mm |
| Infrared | 808nm | 200mW-5W | TO18-5.6mm/TO5-9mm/C-mounted |
| Infrared | 830nm | 30mW-300mW | TO18-5.6mm |
| Infrared | 850nm | 5mW-2W | TO18-5.6mm |
| Infrared | 905nm | 15W-75W | TO18-5.6mm |
| Infrared | 940nm | 250mW | TO18-5.6mm |
| Infrared | 980nm | 50mW-1W | TO18-5.6mm/TO5-9mm |
| Infrared | 1064nm | 50mW | TO18-5.6mm |
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