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RGB LED One LED Glow Three Color.
Common Cathode RGB LED.
A light-emitting diode (LED) is a semiconductor light source that emits light when current flows through it. Electrons in the semiconductor recombine with electron holes, releasing energy in the form of photons. The color of the light (corresponding to the energy of the photons) is determined by the energy required for electrons to cross the bandgap of the semiconductor. White light is obtained by using multiple semiconductors or a layer of light-emitting phosphor on the semiconductor device.
These are Common-Anode type which means you connect one pin to 5V or so and then tie the other three legs to ground through a resistor. We carry and use CA more than CC because multi-LED driver chips (such as the TLC5940/TLC5941) are often designed exclusively for CA and can’t be used with Common-Cathode.
- LED Configuration : Common Cathode
- Forward voltage : 3.3 ~ 5V
- Reverse current : 50µA
- Continuous forward current : 20mA
- Power dissipation : 100mW
- LED Diameter : 5mm
- No of Pin : 4
- Operating Temperature : -40 ~ 85°C
- Mounting Type : Through Hole
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