3.12″ COF Graphic OLED WEX025664B with PCB

|11 March 2021

The Winstar WEX025664B-PCB model is a COF type Graphic OLED with PCB on module; it’s diagonal size 3.12 inch, made of 256×64 pixels. This PCB board with four mounting holes is an easy method for customers to fix modules on their applications. Furthermore, the integration of interface setting with VCC circuit on PCB board makes it even simpler to use. This WEX025664B-PCB module is built in with SSD1322 IC; it supports 6800/8080 parallel and 3-wire/4-wire SPI interface, 16 (4bits) gray scale, driving duty 1/64, supply voltage for logic is from 3.3V, the display with 50% check board current is 150mA @VDD 3V (typical value).

This COF OLED module is suitable for medical applications, control panel, smart home applications, etc. WEX025664B-PCB module can be operating at temperatures from -40℃ to +80℃; its storage temperatures range from -40℃ to +85℃.



Dot Matrix

256 x 64 Dots

Module dimension

89.2 x 44.0 x 3.3 mm

Active Area

76.78 x 19.18 mm

Pixel Size

0.278 x 0.278 mm

Pixel Pitch

0.3 x 0.3 mm

Display Mode

Passive Matrix OLED

Display Color

White/Yellow/Sky Blue/Green

Drive Duty

1/64 Duty

Gray Scale

4 bits


SSD1322 (COF)


6800, 8080, SPI


3.12 inch



Contact Nijkerk Electronics for more information.

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