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GREEN 4-CHIP LED

CAT # LED-174 (2 Reviews) Write a Review

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Product Description
5mm diameter device with 4 green LED chips.
WARNING: This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov
(This item was manufactured prior to August 31st, 2018)

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Customer Reviews (2 Reviews)

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2 x 2 Green LED Array

Reviewer: from MN USA

This LED Array is made with 4 Green LED arranged as 2 strings of 2 in parallel to the pins. They appear, under a microscope, to be well constructed with gold bonds on gold conductors with a ceramic substrate. I would say they were made a long time ago and were high quality and expensive, in the day. The die are very small so aren't very bright by today's standards.
I was hopping to find the LEDs were all connected in series which would have been a bit under 8V. But alas, that is why the voltage is 4V @ 10mA. 10mA is probably about the limit.
All in all, they would be nice indicators in a 5V circuit with a 100ohm resistor.

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Weird little guys

Reviewer: from Columbus, Ohio, USA

These appear to have the 4 LED chips in series, for a forward voltage drop of about 3.7V. They are really not very bright at all. Even at 5V and 25ma, they are pretty dim.

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