


Note: The purchased components are stored in your JLCPCB parts library for future PCBA orders only, and cannot be shipped separately.
| Attributes | Value | |
|---|---|---|
| Category | Optoelectronics/RGB LEDs | |
| Manufacturer | Worldsemi | |
| Package | SMD4020-4P | |
| Forward Current - R | 20mA | |
| Luminous Intensity - B | 300mcd~500mcd | |
| Forward Voltage(Vf) - B | 2.8V~3.4V | |
| Viewing Angle | 120° | |
| Forward Voltage(Vf) - G | 2.8V~3.4V | |
| Dominant Wavelength - B | 465nm~475nm | |
| Forward Current - G | 20mA | |
| Luminous Intensity - G | 1000mcd~1500mcd | |
| Forward Current - B | 20mA | |
| Luminous Intensity - R | 400mcd~600mcd | |
| Forward Voltage(Vf) - R | 1.8V~2.4V | |
| Length | 3.98mm | |
| Dominant Wavelength - G | 515nm~525nm | |
| Diode Configuration | Common Anode | |
| Height | 1.7mm | |
| Dominant Wavelength - R | 620nm~630nm | |
| Width | 2mm |

* Images are for reference only
Note: The purchased components are stored in your JLCPCB parts library for future PCBA orders only, and cannot be shipped separately.

* Images are for reference only
Note: The purchased components are stored in your JLCPCB parts library for future PCBA orders only, and cannot be shipped separately.
WS2850B-4020 technical specifications, attributes, and parameters.
| Attributes | Value | |
|---|---|---|
| Category | Optoelectronics/RGB LEDs | |
| Manufacturer | Worldsemi | |
| Package | SMD4020-4P | |
| Forward Current - R | 20mA | |
| Luminous Intensity - B | 300mcd~500mcd | |
| Forward Voltage(Vf) - B | 2.8V~3.4V | |
| Viewing Angle | 120° | |
| Forward Voltage(Vf) - G | 2.8V~3.4V | |
| Dominant Wavelength - B | 465nm~475nm | |
| Forward Current - G | 20mA | |
| Luminous Intensity - G | 1000mcd~1500mcd | |
| Forward Current - B | 20mA | |
| Luminous Intensity - R | 400mcd~600mcd | |
| Forward Voltage(Vf) - R | 1.8V~2.4V | |
| Length | 3.98mm | |
| Dominant Wavelength - G | 515nm~525nm | |
| Diode Configuration | Common Anode | |
| Height | 1.7mm | |
| Dominant Wavelength - R | 620nm~630nm | |
| Width | 2mm |
From components to fully assembled PCBs. JLCPCB supports PCB assembly for the WS2850B-4020. Sign up to receive and start your assembly today →
Step 1 - Pre-order the parts you need from JLCPCB.
Step 2 - Place a PCBA order to have those parts assembled onto your boards.
Step 3 - JLCPCB manufactures and assembles your boards in as fast as 3 days.

WS2850B-4020 datasheets or manufacturer documentation.
Datasheet: WS2850B-4020 Datasheet (PDF)
The WS2850B-4020 schematic symbol and PCB footprint are available in the EasyEDA PCB design tool.