Seeed Studio
5mm Triple Output LED RGB - Common cathode (20 PCs)
$11.45
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A pack of 20 common-cathode RGB LEDs in a standard 5 mm through-hole package. Each LED contains three independent colour elements — red, green, and blue — sh...
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A pack of 20 common-cathode RGB LEDs in a standard 5 mm through-hole package. Each LED contains three independent colour elements — red, green, and blue — sharing a single cathode pin. Drive each colour individually for status indicators, or use PWM to mix colours and produce any hue you need.
Key Features
- Common Cathode – Single shared ground pin with independent R, G, and B anodes
- Full Colour Mixing – Combine channels with PWM to produce any colour
- Water-Clear Lens – High brightness and vivid colour output
- Standard 5 mm Package – Breadboard and perfboard compatible
- Pack of 20 – Plenty for multi-indicator or lighting projects
Specifications
- Type – 5 mm RGB LED, common cathode
- Lens – Water clear
- Forward Voltage (Red) – 1.8–2.5 V
- Forward Voltage (Green/Blue) – 2.8–4.0 V
- Typical Forward Current – 20 mA per channel
- Luminous Intensity (R/G/B) – 800 / 400 / 900 mcd
- Viewing Angle – ±60°
- Reverse Current – 10 µA (at 5 V reverse)
- Quantity – 20 per pack
Ideal For
- Multi-colour status indicators
- Arduino and microcontroller RGB lighting projects
- Mood lighting and colour-mixing experiments
- Educational electronics
Package Contents
- 20× 5 mm RGB LED (Common Cathode)
Jargon buster
Plain-language definitions for the technical terms used above.
- LED
- A light-emitting diode (LED) is a small electronic component that emits light when current flows through it in the correct direction. Because it only conducts one way, its polarity matters, and a through-hole LED must be soldered the correct way around to light up.
- microcontroller
- A microcontroller is a small computer on a single chip that runs a stored program and controls connected inputs and outputs such as buttons, sensors, displays and communication interfaces. In a device built around one, it is the part that executes the code and coordinates the device's behaviour.
- PWM
- Pulse Width Modulation is a way for a digital pin to simulate variable output power by switching on and off very quickly. It matters for controlling things like LED brightness, motor speed, or servo-style signals from a microcontroller pin.
- RGB
- Short for red, green and blue, the three primary colours of light that are mixed in varying amounts to make a wide range of colours. In electronics RGB can refer to an LED or pixel that blends these three colours, or to a colour signal or interface that carries separate red, green and blue channels.
- through-hole
- A mounting style where the component leads pass through holes in a circuit board and are soldered on the other side. Through-hole parts are often easier to handle and solder by hand, which is useful for classroom and hobby projects.
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