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3mm Blue LED


3mm Blue LED


SKU: LED-004 - Mfg Part Number: TLHB4400


This basic blue 3mm LED is ideal for using as an indicator light – it isn’t too bright to look at, but it won’t be missed! They easily fit in a solderless breadboard or perfboard and are perfect for experimenting. The forward voltage is 3.9V with a current consumption of 20mA. The LED is rated at 15mcd with a view angle of 60°. To use this LED you will need a current limiting resistor; this will vary depending on your input voltage. Typically with a 5V supply we recommend using a 56 ohm resistor for a single LED.

Looking to mount these in a panel or enclosure? We carry a plastic panel mount holder for these LEDs as well.


  • Color: Blue (466nm)
  • Millicandela Rating: 15mcd
  • View Angle: 60°
  • Forward Voltage: 3.9V
  • Size: 3mm, T-1
  • Current Consumption: 20mA


Out of stock

SKU: LED-004.
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Additional information

Weight 1 g


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