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???
09/13/08 15:36
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#158244 - RE: Test for what?
Responding to: ???'s previous message
Per Westermark said:
I don't think it is worth measuring the diodes unless you are going to use them for a very specific purpose.

If they're just being used as on/off indicators, then it's probably just a case of making sure that the brightess is reasonably uniform.

So a visual "looks about right" test should be adequate...




List of 23 messages in thread
TopicAuthorDate
voltage rating for Chip LEDs            01/01/70 00:00      
   same, of course            01/01/70 00:00      
      datasheets really are your friends            01/01/70 00:00      
      Voltage            01/01/70 00:00      
      Not so fast...            01/01/70 00:00      
         forward voltage... and series resistance (sometimes)...            01/01/70 00:00      
            nothing exotic            01/01/70 00:00      
            Some numbers...            01/01/70 00:00      
               the question, the answers            01/01/70 00:00      
                  Many don't know about datasheets at all            01/01/70 00:00      
                     Unfortunately, in real life ...            01/01/70 00:00      
                        thank you every one for your advice            01/01/70 00:00      
                           series 0805            01/01/70 00:00      
                              0805 = package size            01/01/70 00:00      
                           Select-On-Test            01/01/70 00:00      
                              yeah its better to buy a few and test them            01/01/70 00:00      
                                 Test for what?            01/01/70 00:00      
                                    RE: Test for what?            01/01/70 00:00      
                                 Usually...            01/01/70 00:00      
                                 all i can find are hobbyist suppliers.            01/01/70 00:00      
                           Try "real" parts sources ...            01/01/70 00:00      
                              No, no, digikey isn't that nice...            01/01/70 00:00      
                                 Digikey            01/01/70 00:00      

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