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Optoelectronic components are fixed to metallic casing for ease of mounting in an experimental setup. The terminals of the components are taken out through a cable which has a pair of crocodile clip or a stereo connector. The cell is made of aluminium and has a black anodized finish.
      Cell Specifications :          Infrared LED Specifications (IRL-M-LK)
      Outer diameter
      30 mm
      Width
      10 mm
      Finish
      Anodized
      Model
      OSRAM SFH 4503
      Wavelength at Peak Emission
      950 nm
      Spectral Bandwidth
      40 nm
      Maximum Forward Current
      100 mA
      Maximum Reverse Voltage
      3 V
      Phototransistor Specifications (PT-M-LK)          Photodiode Specifications (PD-M-LK1)
      Model
      EVERLIGHT PT333-3C
      Spectral Range of Sensitivity
      400 - 1100 nm
      Wavelength of Peak Sensitivity
      940 nm
      Maximum Collector Current
      20 mA
      Maximum Collector - Emitter Voltage
      30 V
      Model
      OSRAM SFH 203 FA
      Spectral Range of Sensitivity
      800 - 1100 nm
      Wavelength of Peak Sensitivity
      900 nm
      Spectral Sensitivity
      0.59 A / W
      Radiant Sensitive Area
      1mm2
      Maximum Reverse Voltage
      50 V
      Photodiode Specifications (PD-M-LK2)          Optocoupler Specifications (OC-M-LK)
      Model
      SHARP BS 520
      Spectral Range of Sensitivity
      400 - 700 nm
      Wavelength of Peak Sensitivity
      560 nm
      Active Area
      5.34 mm2
      Maximum Reverse Voltage
      10 V
      Model
      Texas Instruments MCT2E
Input Diode Maximum Forward Current
      60 mA
Input Diode Maximum Reverse Voltage
      3 V
     Output C-E Breakdown Voltage
      30 V
         Light Dependant Resistor (LDR): (LDR-M-LK)  
Pinhole Photo Detector
The device, photo-detector is mounted in metallic casing behind a pinhole of required diameter. The pinhole reduces significantly the impact of the ambient light on the detector by providing restricted exposure.
Model No. PPD-LK-PT, PPD-LK-PD1, PPD-LK-PD2
      Cell Specifications :          Photodiode Specifications (PPD-M-LK-PD1)
      Outer diameter
      30 mm
      Pinhole Aperture
      0.7mm
      Height
      23 mm
      Finish
      Anodized
      Model
      OSRAM SFH 203 FA
      Spectral Range of Sensitivity
      800 - 1100 nm
      Wavelength of Peak Sensitivity
      900 nm
      Spectral Sensitivity
      0.59 A / W
      Radiant Sensitive Area
      1mm2
      Maximum Reverse Voltage
      50 V
      Phototransistor Specifications (PPD-LK-PT)          Photodiode Specifications (PPD-M-LK-PD2)
      Model
      EVERLIGHT PT333-3C
      Spectral Range of Sensitivity
      400 - 1100 nm
      Wavelength of Peak Sensitivity
      940 nm
      Maximum Collector Current
      20 mA
      Maximum Collector - Emitter Voltage
      30 V
      Model
      SHARP BS 520
      Spectral Range of Sensitivity
      400 - 700 nm
      Wavelength of Peak Sensitivity
      560 nm
      Active Area
      5.34 mm2
      Maximum Reverse Voltage
      10 V

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