Why LEDs Should Not Be Connected in Parallel: Explained

Discover why connecting LEDs in series is recommended for optimal performance and longevity.

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LEDs are not connected in parallel because each LED may have slight variations in its forward voltage drop. This can result in unequal current distribution across the LEDs, leading to some LEDs receiving too much current and burning out faster, while others might not light up properly. Series connection ensures the same current flows through each LED, promoting even illumination and longevity.

FAQs & Answers

  1. What happens when LEDs are connected in parallel? Connecting LEDs in parallel can cause uneven current distribution, leading to some LEDs burning out or not lighting up properly.
  2. Why is series connection better for LEDs? Series connection ensures equal current through each LED, promoting uniform brightness and extending their lifespan.
  3. What is forward voltage drop in LEDs? Forward voltage drop is the voltage required for the LED to conduct current and light up, which can vary slightly between different LEDs.
  4. How can I increase the longevity of my LEDs? Using series connection, ensuring proper heat management, and using suitable resistors can all help increase the lifespan of your LEDs.

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