

The XL-PLPT5 635B-20mW is a single-mode semiconductor laser that comes in a TO56 package with a built-in photodiode. It typically emits red light at a wavelength of 639nm, with a continuous wave (CW) output power of 20mW (at TC=25℃). This laser supports both continuous wave and pulsed modes and offers a high modulation bandwidth, making it suitable for applications that need higher-power red light, like indication, alignment, sensing, and measurement. It's RoHS compliant and has a moisture sensitivity level of MSL 2.

Optical Output Power: 20mW in continuous wave mode (TC=25℃)
Typical Emission Wavelength: 639nm (red band)
Operating Mode: Supports continuous wave (CW) and pulse mode, highly efficient radiation source
Laser Type: Single-mode semiconductor laser
Modulation Performance: High modulation bandwidth
Package Type: TO56 package, with built-in photodiode (PD) and monitoring current output (Im typical 0.20mA, Vrd=5V)
Environmental & Reliability: RoHS compliant, MSL level 2
Key Electrical Parameters (Ta=25℃):
Threshold Current (Ith): Typical 40mA, maximum 60mA
Operating Current (Iop): Typical 65mA (Po=20mW), maximum 85mA
Operating Voltage (Vop): Typical 2.3V, maximum 2.6V (Po=20mW)
Slope Efficiency: Typical 0.7 mW/mA (range 0.4~1.0 mW/mA)
Central Wavelength Range: 634~644nm (typical 639nm)
Beam Divergence Angle (Fast Axis/Slow Axis, 50% peak): Typical 25°/6° (fast axis 25°~30°, slow axis 6°~9°)
Misalignment Angle: ±3° (fast axis/slow axis)
Monitoring Current: 0.10~0.40mA (typical 0.20mA)
Optical Path Distance (ΔX, ΔY, ΔZ): -60~60μm
Absolute Maximum Ratings: Reverse Voltage (LD≤2V, PD≤30V); Operating Temperature not specified (table blank), Storage Temperature -40℃~85℃; Soldering Conditions (Wave Soldering 240℃≤6s, Manual Soldering 300℃≤3s)
LiDAR (LiDAR/ToF) and Ranging
Industrial Inspection and Safety Sensing
Medical and Biophotonics (like photodynamic therapy, fluorescence imaging)
Military and Defense
Research and Quantum Technology
Consumer Electronics and Security Systems (like laser pointers, barcode scanning, alignment and positioning)