Adafruit
NeoPixel Reverse Mount RGB LEDs - 10 Pack of SK6812-E
These reverse-mount NeoPixel RGB LEDs (SK6812-E) are designed to be soldered from the top of a PCB and shine through a cutout in the board. This keeps the co...
These reverse-mount NeoPixel RGB LEDs (SK6812-E) are designed to be soldered from the top of a PCB and shine through a cutout in the board. This keeps the component side flat and simplifies manufacturing by placing all parts on one side. At just 3.1 × 2.7 × 1.7 mm, they're tiny but bright — and the long pads make hand soldering manageable.
Each LED contains an integrated driver chip with ~12 mA constant current drive per channel, so colours stay consistent even with voltage variations. No external current-limiting resistors are needed. Like all NeoPixels, they can be daisy-chained — the data output of one feeds into the input of the next for virtually unlimited strip lengths.
Key Features
- Reverse Mount Design – Solders to top pads and shines through a PCB cutout
- SK6812-E Chipset – NeoPixel-compatible with integrated driver and 24-bit colour
- ~12 mA Constant Current – Consistent colour output without external resistors
- Chainable – Data output connects to the next LED for long chains
- 5 V Operation – Standard NeoPixel power supply
- Compact – 3.1 × 2.7 × 1.7 mm
Specifications
- LED Type – SK6812-E (NeoPixel compatible)
- Colours – RGB (red, green, blue)
- Operating Voltage – 5 V DC
- Constant Current – ~12 mA per channel
- Dimensions – 3.1 × 2.7 × 1.7 mm
- Data Protocol – Single-wire, 24-bit colour (800 kHz)
Ideal For
- Custom PCB designs with through-board illumination
- Keyboard and keyswitch backlighting (e.g., NeoKey boards)
- Single-side SMT assembly with reverse-mount LEDs
- Compact RGB indicator and status lighting
Package Contents
- 10× SK6812-E Reverse Mount RGB LEDs
Resources
Jargon buster
Plain-language definitions for the technical terms used above.
- LED
- A light-emitting diode is a small electronic component that lights up when current flows through it in the correct direction. In this kit, LEDs create the flashing effect, so polarity and correct soldering matter for the project to work.
- NeoPixel
- A type of addressable LED system where colour data is sent along a single digital data line from one LED or controller to the next. Compatibility matters because the timing and signal format must match for the lights or driver board to respond correctly.
- PCB
- A printed circuit board is a rigid board with copper tracks that connect electronic parts without loose wires. For this kit, the PCBs also form the airplane shape, so they are both the circuit base and part of the finished model.
- RGB
- Short for red, green and blue, usually referring to an LED that can mix those three colours. It matters because controlling an RGB LED teaches how separate outputs combine to create different colours.
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