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HL63641DG LASER DIODE

HL63641DG Laser Diode Specification Summary
Part Number HL63641DG
Wavelength 639 nm
Laser Power 200 mW
Package 5.6 mm
Maximum Operating Temperature -40 to 60 deg.
Pin Configuration P
Polarization Ratio 100:1
Description Single Mode

Overview of HL63641DG Laser Diode

HL63641DG is a high-performance red laser diode developed by Ushio, emitting at a wavelength of 639 nm with an optical output power of 210 mW at 25°C. Encased in a 5.6 mm CAN package, it operates in single transverse mode with TE mode oscillation, offering a wall plug efficiency (WPE) of 33%. This diode is designed for continuous wave (CW) operation and is equipped with a built-in monitor photodiode for precise power monitoring.​

Key Features:

  • Wavelength: 639 nm (typical)
  • Optical Output Power: 210 mW at 25°C; 125 mW at 60°C
  • Operating Current: 225–260 mA at 200 mW
  • Operating Voltage: 2.7–3.0 V
  • Threshold Current: 50–70 mA
  • Operating Temperature Range: -40°C to +60°C
  • Beam Divergence: Parallel to junction: 5°–13°; Perpendicular to junction: 10°–18°
  • Package Type: TO-56 CAN
  • Monitor Photodiode: Integrated for output power monitoring​
  • Applications:

  • Laser levelers and rangefinders
  • Measurement light sources
  • Show lasers
  • Medical light sources
  • Laser modules
  • Optical equipment light sources​
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