• 445 nm Blue Output
• Ultra-high 200 W Power
• High-Brightness 105 µm Fiber Core
• Integrated Visible Aiming Beam
• High-Power HP-SMA905 Termination
• Non-Ferrous Metal Welding
• Additive Manufacturing (3D Printing)
• Scientific Research
• Industrial Coating & Cladding
• EV Battery Production
| SPECIFICATIONS ( 20°C ) | SYMBOL | UNIT | K445HR6FN-200.0W | |||
|---|---|---|---|---|---|---|
| MINIMUM | TYPICAL | MAXIMUM | ||||
| OPTICAL DATA(1) | Total CW Output Power | Pbol | W | 200 | — | — |
| Number of Submodules | pcs | — | — | 4 | — | |
| Center Wavelength | λc | nm | 445 ± 20 | |||
| Spectral Width (FWHM) | Δλ | nm | — | 6 | — | |
| Wavelength Shift / Temp | Δλ/ΔT | nm/°C | — | 0.1 | — | |
| ELECTRICAL DATA | Electrical-to-Optical Efficiency | PE | % | — | 30 | — |
| Operating Current | Ibol | A | — | 3.0 | 3.5 | |
| Threshold Current | Ith | A | — | 0.35 | — | |
| Operating Voltage (per module) | Vop | V | — | 52 | 60 | |
| Power Supply Mode | 4 modules (Serial/Parallel option) | |||||
| FIBER DATA | Core Diameter | Dcore | μm | — | 105 | — |
| Numeric Aperture | NA | — | — | 0.22 | — | |
| Fiber Length | Lf | m | — | 5.5 | — | |
| Fiber Termination | HP-SMA905 | |||||
| MONITOR | Thermistor (Resistance) | Rt | K Ω | 10 ± 3% | ||
| AIMING BEAM | Output Power | Pa | mW | — | — | — |
| Status | Included (Visible Red) | |||||
| Cooling Mode | Water Cooling (Minimum 5L/min) | |||||
| OTHERS | ESD | Vesd | V | — | — | 500 |
| Storage Temperature(2) | Tst | °C | -20 | — | 70 | |
| Operating Temperature(3) | Top | °C | 15 | — | 30 | |
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.
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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.