APA102 2020 RGB LED Chip, incredibly small surface-mount LEDs are an easy way to add a lot of very tiny (but bright!) colorful dots to your project. They are a mere 2mm x 2mm (way smaller than APA102-5050-RGB), which makes them pretty darn tiny so they might be a bit difficult to hand solder.
There are three LEDs inside, red green and blue. The RGB LEDs are controlled by a tiny chip that takes a 24-bit color level via the clock and data in and then does all the PWM control for you. So you just ‘set’ the color data once. Like WS2812B (SK6812) you can chain them together, the output of one leading into the input of another for near-infinitely long strips.
> Outline (L* W*H): 2.0*2.0*0.75mm
> Good thermal dissipation & optical uniformity
> RoHS2.0 Compliant
> Packaged in 12mm tape on 7″ diameter reels
> EIA STD package
> Compatible with automatic placement equipment
> and infrared reflow solder process
> Preconditioning: accelerate to JEDEC level 3
> Serial data transmission signal by (DATA CLK) two line > ESD level 2kV(HBM)
> Telecommunication, office automation, home appliances, industrial equipment
> Status indicator
> Signal and symbol luminaire
> Front panel backlighting
> Full-color strip.
> Indoor decorative lighting / curtain display