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Document overview
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- PDF pages: 5
Technical content
Features
- Mode Structure: single mode, edge emitting
- Peak Wavelength : typ. 880 nm
- Optical Ouput Power: 10 mW
- Package: 5.6 mm
- Ridge width 1x5 µm Electrical Connection Pin Configuration Bottom View n-type PIN Function
1 LD Cathode
2 LD Anode, PD Cathode
3 PD Anode
Absolute Maximum Ratings (TC=25°C) Item Symbol Value Unit CW Output Power PO 10 mW LD Reverse Voltage VrLD 2 V PIN PD Reverse Voltage VrPIN 30 V Operating Case Temperature TC -10 … +60 °C Storage Temperature Tstg -15 … +85 °C Specifications (TC=25°C, PO=10mW) Item Symbol Min. Typ. Max. Unit Optical Specifications Center Wavelength λC 870 880 890 nm FWHM Beam Divergence* θ║ 8 12 15 deg θ┴ 28 38 45 deg Electrical Specifications Threshold Current Ith - 10 15 mA Operating Current Iop - 29 35 mA Slope Efficiency η 0.3 0.5 - mW/mA Operating Voltage Uop - 2.2 2.5 V Monitor Current Im 0.2 - 0.6 mA * θ║ and θ┴ are defined as the angle within the intensity is 50% of the peak value. The above specifications are for reference purpose only and subjected to change without prior notice.
19.04.2012 S8810MG 2 of 5
5.6 mm Package (Unit:mm) Typical Performance Curves Optical Ouput Power vs. Forward Current
19.04.2012 S8810MG 3 of 5
Forward Voltage vs. Forward Current Peak Wavelength vs. Case Temperature Far-Field Pattern
19.04.2012 S8810MG 4 of 5
Monitor Current vs. Optical Output Power Slope Efficiency vs. Case Temperature Threshold Current vs. Case Temerature
19.04.2012 S8810MG 5 of 5
- Laser Light can damage the human eyes and skin. Do not expose the eye or skin directly to any laser light and/or through optical lens. When handling the LDs, wear appropriate safety glasses to prevent laser light, even any reflections from ent ering to the eye. Focused laser beam through optical instruments will increase the chance of eye hazard.
- These LDs are emitting invisible light. Cautions 1. Operating methode
- This LD shall change its forward voltage requirement and optical ouput power according to temperature change. Also, the LD will require more operation current to maintain same ouput power as it degrades. In order to maintain output power, use of APC (Automatic Power Control) is recommended. Which use monitor feedback to adjust the operation current.
- Confirm that electrical spike current generated by swithing on and off does not exceed the maximum operating current level specified herein above as absolute maximum rating. Also, employ appropriat countermeasures to reduce chattering and/or overshooting in the circuit. 2. Static Electricity
- Static electricity or electrical surges will reduce and degrade the reliability of the LDs. It is recommended to use a wrist trap or anti-electrostatic glove when handeling the product. 3. Absolute Maximum Rating
- Active layer of LDs shall have high current density and generate high electric field during its operation. In order to prevent excessive damage, the LD must be operated striclty below absolute maximum rating.