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SMD2420 Series Photodiode, Surface-mount Package, Glass Lens.
The SMD2420 series surface mount infrared components are small ceramic packages (0.15 in x 0.10 in x 0.083 in/3.81 mm x 2.54 mm x 2.1 mm) with glass lenses. The lens minimizes cross talk and often eliminates the need for apertures in non-critical applications. The low profile components may be mounted on the printed circuit board, lens up or inverted, allowing flexibility in layouts for multiple channel and custom arrays. When mounted lens down over a hole in the PC board, the lens is hidden, lowering overall package height.

The SMD2420 series photodiode is especially useful in applications requiring linear response or high switching speed.

These components are available in bulk, or on tape and reel for use with automatic placement equipment.

SMD2420-021 Photodiode Detectors - Honeywell


Product Features

  • Small package size
  • Glass lensed optics for efficient optical coupling
  • Upright or inverted mounting capability
  • Low profile, small size for flexible layout of multiple channels and custom arrays
  • Compatible with automated solder processes:
      - IR reflow
      - vapor phase
      - solder wave
      - convection oven
  • Choice of photodiode or phototransistor detectors
  • IRED features high power dissipation capability
  • Tape and reel packaging option - pick and place machine compatible


  • Optical encoders for motion control
  • Computer peripherals
  • Vending and point-of-sale applications
  • Smoke detectors
  • Medical equipment


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