Photocell 250mW 250V Peak 12K Ohm Max Light 1M Ohm Min Dark

$1.79 ea

2,130 ship on May 29

  • Part no.: 120299
  • Manufacturer: Jameco Valuepro
  • Manufacturer no.: CDS004-5001
# of units Price
1+ $1.79
10+ $1.59
100+ $1.45
500+ $1.19

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Cadmium Sulfide (CdS) Photocell

Generate variable signals based on detection of light levels.


  • Maximum voltage rating @ 25°C: 350VDC
  • Maximum allowable power dissipation @ 25°C: 400mW
  • Resistance (Dark): 300kΩ
  • Resistance (Light): 8kΩ
  • Lead length: 1.44"
  • Operating temperature: -30°C to +70°C
  • Able to withstand soldering at 230°C for 3 seconds


  • Auto-focus lenses
  • Exposure meters
  • Contrast controls for televisions
  • Dimmer or light switches
  • Flame detectors
  • Electronic toys
  • Street lamp switches
  • Optocouplers

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Specification Value
Allowable Power Disipation at 25C (mW)250
Applied Voltage Peak at 25C (Volts)250
Cell Resistance Max (K ohms)1000
Cell Resistance Min (K ohms)12
Height (inches)0.37
Lead Length (inch)1.44
Lead Spacing (inch)0.3
Width (inches)0.43

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