20mA LED Driver Constant Current Source Regulator - Packs of 1/2/5/10 Drivers
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20mA LED Driver Constant Current Source Regulator - Packs of 1/2/5/10 Drivers

$2.89
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The Envistia 20mA LED Driver Module is a simple LED power supply module (constant current regulator, or CCR) that solves the problem of powering your LEDs and eliminates the current-limiting resistors. When a voltage up to 45V DC is applied it actively adjusts its own resistance to allow 20mA (+/- 2mA) to pass through. This makes it a perfect replacement for current-limiting resistors in LED circuits, and eliminates the need to calculate current-limiting resistor values or worry about a varying voltage source. It is perfect for 12V automotive applications because it ensures that your LED is continuously powered with a regulated 20mA regardless of battery voltage spikes, sags and fluctuations. The module operates with a DC input voltage of 2V to 45V. It requires ~2V overhead voltage to operate, therefore the minimum voltage is 2V + your LED voltage. For example, if you are driving a single LED with a forward voltage of 3V, the minimum voltage required is 5V (3V + 2V). The LED driver mod

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