100 x LED White 3mm Round – Water Clear – Standard Package T-1
CAD 2.45
| Need more than we have? Order now, we will ship when back in stock. Lead time about 2-3 weeks. See our backorder policy. |
| Quantity | 3 - 9 | CAD 2.21 |
| Quantity | 10 - 24 | CAD 2.14 |
| Quantity | 25 + | CAD 2.08 |
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Description
LED White 3mmtinted, clear LED in T-1 package.
The max. continuous current is 20mA, resulting in 3.5-3.6V forward voltage.
LEDs are operated at constant current, not voltage! It is necessary, to limit the LEDs forward current with a resistor.
The value of the resistor is easy to calculate following Ohm’s law: R = U / I. For example, on a 12V power supply, U = 12-3.5 = 8.5V, I = 0.02A. The resistor in this circuit should not be less than 8.5V / 0.02A = 425 Ohm (for max. brightness).
LEDs, operating on their current limit, are barely producing more visible brightness than when operated with a lower current, but they will have a much shorter life span. Therefore, we always set the LED current to about 1-5mA in our developments.
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