LED Diode Assortment Kit | 3mm F3 | 60 or 100-Piece Multi-Color Set for DIY Electronics
This 60pcs or 100pcs 3mm LED diode kit provides a comprehensive selection of vibrant colors for your electronics projects. Each F3 LED offers a standard 20mA forward current and a low 2.0-2.2V forward...
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Questions about this product
- How do I know which side of the LED is positive and which is negative?
- You can easily identify the polarity by looking at the leads and the lens shape. The longer lead is the anode (positive), while the shorter lead is the cathode (negative). Additionally, the cathode side features a flat edge on the round epoxy lens.
- Can I connect these LEDs directly to a microcontroller pin like an Arduino?
- Yes, these LEDs are highly compatible with common microcontrollers. Since they run on a standard 20mA forward current, you can easily drive them using basic circuit designs. Just remember to use a current-limiting resistor to match your board's output voltage.
- What are the maximum voltage and current limits to avoid burning out the diodes?
- You should keep the forward current at or below 20 mA. The typical forward voltage ranges from 2.0V to 3.6V depending on the specific color. Do not exceed a reverse voltage of 5V, and keep soldering temperatures under 260°C for five seconds.
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