Solid 3mm Square LEDs
These Square 3mm LEDs are similar to regular 3mm LEDs, but without the extra plastic, so they can fit better in your projects! They are 3.2mm wide by 4.4mm tall by 2.1mm thick (see dimension photo).
Available in various voltages, these trim and small battery-operated LED lights can also be ordered in solid and fast flash.
These 3mm square LEDs are very popular with our diecast customers because of their ability to fit into tight spaces, the exceptional amount of light they give off, and the variety of colors and voltages we have in stock.
Get these LEDs in fast flashing:
Flashing 3mm Square LEDs 
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"What do I need to run these?"
| 3 volt use |
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Our  |
| 5-12 volt battery / regulated adapter |
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Your own battery, or for 9 volt get our  |
| Your own AC/DC or DCC supply: 7-19V |
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7-19 volt Universal AC/DC/DCC lights  |
All of our LEDs, including these 3mm square LEDs come with a 2 year warranty!
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