TO18 Laser Diode Housing Set with 5.6mm Heat Sink, Collimating Lens and Cooling Fan

TO18 Laser Diode Housing Set with 5.6mm Heat Sink, Collimating Lens and Cooling Fan
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  • Product Code:SQ2775
  • Availability: 1000
  • $9.19
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  • Ex Tax:$9.19
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Tags: TO18, laser diode housing, 5.6mm laser diode, laser heat sink kit, laser diode cooling fan, laser diode case, laser collimating lens, 200-1100nm laser, laser diode housing, TO18-Diode-Case

The TO18 laser diode housing set is a complete housing and cooling set designed for 5.6mm TO-18 packaged laser diodes operating in the 200nm to 1100nm wavelength range. The set combines an aluminum heat sink, a cooling fan, and a collimating lens in a single integrated assembly, providing the thermal management and optical focusing needed to operate a bare TO-18 laser diode safely and reliably. Without adequate heat dissipation, laser diodes suffer reduced output power, wavelength drift, and shortened service life, making this kit an essential accessory for diode-based laser builds.

The heat sink is constructed from aluminum with a black finish and measures 33mm × 33mm × 55mm. Its finned structure maximizes surface area in contact with the surrounding air, while the included fan actively pushes air through the heat sink to maintain stable operating temperatures. The fan direction can be reconfigured by the user, allowing airflow to be optimized for the ambient conditions of a given setup. The kit is optimized specifically for 5.6mm TO-18 laser diodes and is applicable to the full 200nm to 1100nm wavelength span, covering common visible and near-infrared diode wavelengths.

The included lens is a plastic collimating lens with an M0.9 × 0.5 thread, producing a dot-shaped output beam. The lens and its spring set are compatible with TO-18 laser tube radiator modules, and the assembly is designed for straightforward operation with good heat dissipation, particularly for higher-power laser tubes. The set is suitable for laboratory experimentation, DIY laser builds, and integration into laser module assemblies where a compact, actively cooled TO-18 housing is required.

TO18 laser diode housing set Application

  1. Housing and cooling for 5.6mm TO-18 laser diodes
  2. Laboratory laser diode experiments and characterization
  3. DIY laser module and pointer builds
  4. Collimation of laser diode output into a dot beam
  5. Thermal management for laser diodes in the 200–1100nm range
  6. Integration into compact laser module assemblies
  7. Protecting laser diodes from heat-induced output degradation
  8. Educational and research laser optics projects

TO18 laser diode housing set Specifications

  1. Product Model: TO18-Diode-Case
  2. Kit Type: Laser diode housing and cooling set
  3. Compatible Diode Package: 5.6mm TO-18
  4. Compatible Wavelength Range: 200nm to 1100nm
  5. Heat Sink Material: Aluminum
  6. Heat Sink Color: Black
  7. Lens Type: Plastic collimating lens
  8. Lens Thread: M0.9 × 0.5
  9. Beam Shape: Dot
  10. Cooling Fan: Included
  11. Fan Operating Voltage: 12V (per Aftab Rayaneh review response)
  12. Fan Current: 0.08A (per Aftab Rayaneh review response)
  13. Overall Dimensions: 33mm × 33mm × 55mm
  14. Maximum Diode Power (per Aftab Rayaneh review response): 5–6W
  15. Package Contents: Housing, lens, fan, spring set

Features

  1. Complete housing and cooling set for 5.6mm TO-18 laser diodes
  2. Aluminum heat sink with black finish for effective thermal dissipation
  3. Active cooling fan with configurable airflow direction
  4. Plastic collimating lens with M0.9 × 0.5 thread for dot-shaped beam output
  5. Compatible with laser diodes across the 200nm to 1100nm wavelength range
  6. Compact overall dimensions of 33mm × 33mm × 55mm
  7. Spring set included for lens retention and diode contact
  8. Protects laser diodes from heat-induced output loss and wavelength drift
  9. Suitable for higher-power laser tubes (per vendor review response, 5–6W diode capability)
  10. Simple assembly and operation for laboratory and DIY builds
  11. Applicable to TO-18 laser tube radiator module accessories
  12. Designed for stable temperature control during continuous laser operation
Laser Features
wavelength Suitable for 200nm ~ 1100nm
Physical Parameters
Size 33mm x 33mm x 55mm
Material Metal

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