• High-Brightness 445 nm Blue Output
• Industrial 250 W Total Output
• 0.15 Numerical Aperture
• Narrow 105 µm Fiber Core
• Integrated Visible Aiming Beam
• High-Power HP-SMA905 Termination
• Advanced Thermal Management
• Non-Ferrous Metal Welding
• Additive Manufacturing (3D Printing)
• Scientific Research
• Industrial Coating & Cladding
• EV Battery Manufacturing
| SPECIFICATIONS ( 20°C ) | SYMBOL | UNIT | K445HR6FN-250.0W | |||
|---|---|---|---|---|---|---|
| MINIMUM | TYPICAL | MAXIMUM | ||||
| OPTICAL DATA(1) | Total CW Output Power | Po | W | 250 | — | — |
| Center Wavelength | λc | nm | 445 ± 20 | |||
| Spectral Width (FWHM) | Δλ | nm | — | 6 | — | |
| Wavelength Shift / Temp | Δλ/ΔT | nm/°C | — | 0.1 | — | |
| Sub-module Count | — | pcs | — | 4 | — | |
| ELECTRICAL DATA | Electrical-to-Optical Efficiency | PE | % | — | 30 | — |
| Threshold Current | Ith | A | — | 0.35 | — | |
| Operating Current (single module) | Iop | A | — | 3.5 | 3.8 | |
| Operating Voltage (single module) | Vop | V | — | 52 | 60 | |
| FIBER DATA | Core Diameter | Dcore | μm | — | 105 | — |
| Numeric Aperture | NA | — | — | 0.22 | — | |
| Fiber Length | Lf | m | — | 2.0 | — | |
| Fiber Termination | HP-SMA905 | |||||
| THERMAL & OTHERS | Cooling Method | Water Cooling | ||||
| Cooling Capacity | — | W | ≥500 | — | — | |
| Cooling Water Temperature | T | °C | 20 ± 5 | |||
| Water Discharge | — | L/min | — | 7 | — | |
| COMPONENTS | Thermistor (Resistance) | Rt | K Ω | 10 ± 3% | ||
| OTHERS | ESD | Vesd | V | — | — | 500 |
| Storage Temperature(2) | Tst | °C | -20 | — | 70 | |
| Operating Case Temp(3) | Top | °C | 20 | — | 30 | |
| Relative Humidity | RH | % | 15 | — | 75 | |
Pair your diode with the right driver and temperature controller for stable, reliable performance.
Precise, low-noise current control for optimal diode performance and extended lifetime.
View Drivers
Active thermal management for wavelength stability and consistent output power.
View TEC ControllersWe offer custom laser diodes according to your needs, either high-power or low-power versions, fiber-coupled or free-space, specific wavelengths, wavelength-stabilized options, and single or multi-emitter diodes. To discuss your custom laser diode needs, you can contact us by sending an email or using the contact form.
