

The XL-PLPT9 450LC-5W semiconductor laser is a high-power 455nm blue single-mode laser diode. It comes in a metal TO-90 coaxial package, with a typical continuous-wave optical output power of 5.5W (TC=25℃), a typical threshold current of 0.32A, an operating current of up to 3.8A, an operating voltage of up to 4.8V, and a maximum junction temperature of 135℃. This device features a high modulation bandwidth and low beam divergence (fast axis 49°, slow axis 9°). It's a mid-power choice in the blue light series, balancing power and drive current, and is suitable for applications like LiDAR, industrial processing, medical biophotonics, research, and defense.

Optical Output Power: 5W in continuous wave mode (TC=25℃)
Typical Emission Wavelength: 455nm (blue range)
Operating Mode: Supports continuous wave (CW) and pulsed mode, high-efficiency radiation source
Laser Type: Single-mode semiconductor laser
Modulation Performance: High modulation bandwidth
Package Type: TO-90 package
Environmental and Reliability: Compliant with ROHS requirements, MSL Level 2
Key Electrical Parameters (Ta=25℃):
Threshold Current (Ith): Typical 0.32A, Maximum 0.45A
Operating Current (Iop): Typical 3.3A (Po=5.5W), Maximum not specified (blank in table)
Operating Voltage (Vop): Typical 4.1V, Maximum 4.8V (Po=5.5W)
Central Wavelength Range: 449~463nm (Typical 455nm)
Beam Divergence Angle (Fast axis/Slow axis, 50% peak): Typical 41°/6° (Fast axis 41°~49°, Slow axis 6°~9°)
Misalignment Beam Angle: ±3° (Fast axis/Slow axis)
Absolute Maximum Ratings:
Optical Output Power (Po): 5.5W
Operating Current (Iop): 3.8A (Absolute Maximum)
Reverse Voltage (VR): 2V
Operating Temperature (TOP): -20℃~60℃
Storage Temperature (Tstg): -40℃~85℃
Junction Temperature (Tj): 135℃
Soldering Conditions: Wave soldering 240℃ ≤6s, Manual soldering 300℃ ≤3s
LiDAR (LiDAR/ToF) and ranging (high power is good for long-distance detection)
Industrial inspection and safety sensors
Medical and biophotonics (like photodynamic therapy, surgical lighting)
Military and defense (like laser designation, ranging, countermeasures)
Scientific research and quantum technology
Consumer electronics and security systems (like high-brightness projection, displays)