100 x LED White 3mm Round – Water Clear – Standard Package T-1
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White, clear LED in T-1 package (3mm). Max. current (continuous) is 20mA, resulting in 3.5-3.6V forward voltage. 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, on a 12V power supply, U = 12-2= 10V, I = 0.02A. The resistor in this circuit should not be less than 10 / 0.02 = 500 Ohm (for max. brightness). For battery operated applications, you should consider a much lower LED current, for example 3mA (equals 3.4kOhm on 12V).
Specification: 100 x LED White 3mm Round – Water Clear – Standard Package T-1