120 pcs LED 3mm, 20 each of green red orange yellow white blue
CAD 6.90
| Closed for Xmas Holidays 12/12 – 01/06. Except on 12/26 for Boxing Day Special. No backorders accepted until 01/06/2024. |
| Quantity | 3 - 9 | CAD 6.21 |
| Quantity | 10 - 24 | CAD 6.04 |
| Quantity | 25 + | CAD 5.87 |
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Description
6-Color 3mm LED Assortment. 120 LEDs in 6 different colours:
20 x green LED 3mm
20 x red LED 3mm
20 x yellow LED 3mm
20 x white LED 3mm
20 x blue LED 3mm
20 x orange LED 3mm
Max. current (continuous) is 20mA, resulting in a 2-3V forward voltage, depending on the colour.
LEDs are operated at constant current, not voltage! It is necessary, to limit the LED forward current with a resistor. The value of the resistor is easy to calculate following Ohm’s law: R = U / I
For example, a red LED with 10mA forward current at 2.2V, on a 12V power supply:
U = 12-2.2= 9.8V
I = 0.01A
R = 980 Ohm (for medium brightness)
For battery-operated applications, you should consider a much lower LED current, for example, 3-5mA.
Additional information
| Brand | CANADUINO |
|---|---|
| Manufacturer | UNIVERSAL-SOLDER Electronics |
| EAN | 4260474032006 |
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