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sci.electronics.basics

Elementary questions about electronics

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Message 71,113 of 72,318

AK to All

Re: Resistance Light and Dark Values

13 May 19 17:29:07

   From: scientist77017@gmail.com   
      
   On Monday, May 13, 2019 at 7:18:43 PM UTC-5, AK wrote:   
   > What specifically do these terms mean for a LDR?   
   >    
   > Resistance (Dark): 1MΩ   
   >    
   > Resistance (Light): 12kΩ   
      
   I forgot to state that it is Cadmium Sulfide (CdS) Photocell.   
      
   Features:   
   Maximum voltage rating @ 25°C: 350VDC   
   Maximum allowable power dissipation @ 25°C: 400mW   
   Resistance (Dark): 1MΩ   
   Resistance (Light): 12kΩ   
   Lead length: 1.44"   
   Operating temperature: -30°C to +70°C   
   Able to withstand soldering at 230°C for 3 seconds   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)

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