LED selection

Anusha Ga

Prodigy 70 points

WHT IS THE DIFFERENCE B/N Operating Voltage AND Forward Voltage in LEDs

over 2 years ago

0 Steven Li over 2 years ago

TI__Mastermind 23245 points

Hi Anusha,

Sorry for the delay. There is no specific engineer covering this topic so we missed this thread.

Is there a specific datasheet where you read about any difference between operating voltage and forward voltage of LED?

In my opinion, these are two different names which point to the same thing.

Best Regards,

Steven

0 Anusha Ga over 2 years ago in reply to Steven Li

Prodigy 70 points

Hi Steven, Thanks for the reply.
chrome-extension://efaidnbmnnnibpcajpcglclefindmkaj/media.digikey.com/.../indicators-serie-Q8.pdf
Pls check the page2 of the above datasheet

0 Steven Li over 2 years ago in reply to Anusha Ga

TI__Mastermind 23245 points

Hi Anusha,

From the datasheet, I guess those LED indicators are integrated with current-limiting resistor. The forward voltage denotes the actual voltage you can apply to the internal LED. The operating voltage is the voltage you can apply to the external wires / pins of the LED indicator.

However, these are only my guesses. I recommend you consult the manufacturer of those LED indicators.

Best Regards,

Steven

0 Anusha Ga over 2 years ago in reply to Steven Li

Prodigy 70 points

Thanks Steven

0 Steven Li over 2 years ago in reply to Anusha Ga

TI__Mastermind 23245 points

Hi Anusha,

You are welcome. I am going to close this thread. Please feel free to contact me again if you have any further questions.

Best Regards,

Steven

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