Red 5mm LED

LEDs - those blinky things. A must have for power indication, pin status, opto-electronic sensors, and fun blinky displays.They are fairly bright so they can be seen in daytime, and from any angle. They go easily into a breadboard and will add that extra zing to your project.


  • Pack of 10 diffused red LEDs
  • 5mm diameter
  • 1.8-2.2V Forward Voltage
  • Max current: 20mA
  • 100+ mcd typical brightness
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Availability: In stock

Only 31 left

Red 5mm LED is available to buy in increments of 10
A light-emitting diode (LED) is a two-lead semiconductor light source. It resembles a basic pn-junction diode, which emits light when activated. When a fitting voltage is applied to the leads, electrons are able to recombine with electron holes within the device, releasing energy in the form of photons. This effect is called electroluminescence, and the color of the light (corresponding to the energy of the photon) is determined by the energy band gap of the semiconductor.
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