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RGB LED (Common Cathode - Clear) (Pack of 10)

RGB LED (Common Cathode - Clear) (Pack of 10)

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  • These are RGB LED (Common Cathode) (Pack of 10)
  • These RGB LEDs are convenient for DIY and repair equipment and electrical appliances
  • Perfect use for home, office and industry electrical equipment 
  • Red: 1000-1200 nm wavelength, Green: 3000-5000 nm, Blue: 2000-3000 nm

RGB LED (Common Cathode - Clear) (Pack of 10)

RGB LED ( Common Cathode - Clear), These LEDs have four pins - Cathode is the longest pin. One for each color and a common cathode. Use this one LED Cathode for three status indicators or pulse width modulation all three and get mixed colors.

Note: As of 1/2010, the pins in the datasheet are correctly labeled. Pin 3 is Green and Pin 4 is Blue. Those purchased prior to then will have Blue on Pin 3 and Green on Pin 4.

RGB Common Cathode LED makes some beautiful colors with this 10mm tri-color LED with separate red, green and blue LED chips inside! They make a nice indicator, and fun to color-swirl. We like RGB LEDs because they color mix inside instead of appearing as 3 distinct LEDs. To light up a common cathode RGB LED, you will have to connect its common terminal to the negative terminal of the power source. If you want to use these RGB LEDs with your Arduino project, then you will need few components like resistors, jumper wires and breadboard

Package Includes:

  • 10 x RGB LED (Common Cathode - Clear)


Forward Voltage (RGB): (2.0, 3.2, 3.2)V
Luminosity (RGB) (800, 4000, 900)mcd
Dimensions  5 x 4 x 3cms 
Weight  15 grams

Shipping & Returns

  • All orders confirmed before 3 pm IST are shipped on the
    same day, barring rare pickup delays on holidays or disturbances
  • Delivery time in Metro cities is 1-3 days, Others it is
    3-7 days. It varies based on location, reliant on courier services
  • Return window: 7 days from receipt unless stated
    otherwise. No refunds/replacements after
  • Returns only for non-working/damaged products are accepted
  • Initiate return requests to our customer service team via Support ticket or contact us at +91-8123057137
  • Refunds are processed within 3-4 working days post inspection and approval.

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1. Is this RGB LED common anode or cathode? 

  • This RGB LED is a common cathode. If the LED lights up with the red tip on the longest lead and the black tip on one of the other leads, you have a common anode RGB LED. You have a common cathode, if the LED lights up with the black tip on the longest lead and the red tip on one of the other leads.

2. How do you use common cathode RGB LED?

  • To turn on a common cathode RGB LED, connect its common terminal to the power source's negative terminal. Connect the RED colour terminal to the positive terminal of the power source to turn on the RED colour. It will also function in the same way as a standard anode RGB LED.

3. What is the common terminal of a common cathode RGB?

  • Cathode refers to the negative terminal. In this type, all the cathode terminals of the internal colored LEDs (red, green, and blue) are connected to the cathode terminal of the RGB LED as shown in the figure.

4. How do you determine the negative leg of an RGB LED?

  • If the LED has two leads with equal lengths, you can inspect the metal plate inside the LED. The smaller plate represents the positive (anode) lead, while the larger plate represents the negative (cathode) lead.

5. What is common cathode LED?

  • Common-cathode RGB LEDs are powered by two separate power supplies, one for the red LED and one for the blue and green LEDs, with ground serving as a common reference. One supply is dedicated to the red LED, while the other supplies both the blue and green LEDs.