> **Source:** Core Electronics is an Australian maker-electronics retailer and manufacturer based in Newcastle, NSW, run by a team of makers and educators. We design and manufacture our own product lines (PiicoDev, CE originals) and are official retailers for iconic maker and industrial brands including Raspberry Pi, Arduino, Adafruit, SparkFun and DFRobot. Orders ship Australia-wide from our Newcastle warehouse. Prices are in AUD and include GST. Pricing, stock and dispatch on this page are generated from the store's live catalog. Full machine-readable index: https://core-electronics.com.au/llms.txt

# Freetronics 8mm RGB LED (Common Cathode) 8-pack suitable for 4x4x4 RGB LED Cube

**Type:** Product page · **SKU:** CE04523 · **Brand:** [Freetronics](https://core-electronics.com.au/brands/freetronics-australia)
**Page:** https://core-electronics.com.au/freetronics-8mm-rgb-led-common-cathode-8-pack-suitable-for-4x4x4-rgb-led-cube.html ([markdown](https://core-electronics.com.au/freetronics-8mm-rgb-led-common-cathode-8-pack-suitable-for-4x4x4-rgb-led-cube.html.md))

## Retired product

This product is retired and no longer available for purchase. Replaced by: COM-09264.

**Replacement:** https://core-electronics.com.au/catalog/product/view/sku/COM-09264

## How to buy

- **Search the catalogue:** `https://core-electronics.com.au/search/{query}.md` (URL-encode the query; pages 2-3 at `search/{query}/{page}.md`; `search.md?q=` also works)
- **Payment methods, purchase orders, policies and contact details:** https://core-electronics.com.au/llms.txt
## Description

If you have damaged your 4x4x4 RGB LED Cube during assembly or need to replace some LEDs then order this pack to repair your cube. We also offer the [horizontal](https://core-electronics.com.au/Horizontal%20Plane%20PCB%20pack%20for%20Freetronics%204x4x4%20RGB%20LED%20Cube) and vertical plane PCBs in separate packs.

Huge 8mm RGB (Red Green Blue) LEDs in a 4-pin package with a common cathode (negative) connection. Great for building colourful displays or status indicators that change colour! Comes in a handy 8-pack.

The "cathode" is the negative side of the LED, so having a common cathode means you can connect the cathode pin to 0V (GND) and then switch on the individual RGB elements by connecting their pins to +V using current limiting resistors. Using PWM pins on your Arduino you can then blend the red, green and blue colours together to create any colour you like.

*Note: We also have "common anode" LEDs available.*

The pack contains the following items:

- 8 x RGB LEDs (note: common **cathode**)
 
## Specifications

- Diameter: 8mm
- Body: diffused
- Forward current: 30mA
 
 |  | **Red** | **Green** | **Blue** |
|---|---|---|---|
| **Forward Voltage** | 2.0-2.2V | 3.1-3.3V | 3.1-3.3V |
| **Wavelength** | 622-625nm | 518-521nm | 467-470nm |

 
**SKU:**
- CUBEL (4)

## Images

- [Product image 1](https://core-electronics.com.au/media/catalog/product/f/r/freetronics_4x4x4_rgb_led_cube_rgb_leds_1024x1024.jpg_v_1436320580)