This product has reached end of life. Here's a list of ePaper modules we have available.

[EOL] 4.2" Red White Black ePaper Display

Part Number: CFAP400300A0-0420

4.2" 3-Color ePaper Display 400x300 pixels. These electrophoretic displays are perfect for electronic shelf-labels, name badges, and other products that require very little power and don't need to be refreshed very often. Read more about how ePaper displays work on our blog.

Use the ePaper adapter board, any 3.3v Arduino and our demo sketch to quickly demonstrate the operation of this super-efficient display or check out our kits below.

This free ePaper software can be used to prepare your bitmap image for this display.

*This display DOES NOT support partial updates.

  • square_foot Physical Characteristics

    Physical Characteristics

    Column Dots x Row Dots 400 x 300
    Module Overall width height depth
    millimeters 91 77 1.18
    inches 3.58 3.03 0.05
    *width / height does not include Foldable Tab
    Diagonal Dimension 4.17"
    Active Area Width Height
    millimeters 84.8 63.6
    inches 3.34 2.50
    Dot Pitch Width Height
    millimeters 0.212 0.212
    inches 0.0083 0.0083
    Optional Connectors CS050Z24GA0
    Flexible Cable (FFC/FPC) length
    millimeters 18.5
    inches 0.728
    Weight 16g
    Pin Count 24
  • visibility Optical Characteristics

    Optical Characteristics

    View Angle Ultra-Wide°
    Foreground Color Black / Red
    Background Color White
  • electric_bolt Electrical Specification

    Electrical Specifications

    Supply Voltage for Logic Minimum 2.3V
    Supply Voltage for Logic Maximum 3.6V
    Supply Voltage for Logic Typical 3.3V
    Module Connector Pitch 0.5mm
  • nature Enviromental


    Operating Temperatures min max
    Celsius 50°
    Fahrenheit 32° 122°
    Storage Temperatures min max
    Celsius -25° 70°
    Fahrenheit -13° 158°
    Humidity min max
    Non-condensing 40% 70%
  • cable Electronics


    Interface SPI
  • picture_as_pdf Datasheets
  • download Files and Downloads

Part Change Notice

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  • text_snippet
    Product Update #11084: Red ePaper End-of-Life notice.
    Products Affected: CFAP128296D0-0290, CFAP176264A0-0270, CFAP104212C0-0213, CFAP152152A0-0154, CFAP176264A0-E2-1, CFAP176264A0-E2-2, CFAP152152A0-E2-1, CFAP152152A0-E2-2, CFAP400300A0-0420, CFAP400300A0-E2-1, CFAP400300A0-E2-2, CFAP128296D0-E2-1, CFAP128296D0-E2-2
    Date Issued: April 28, 2021
    Summary: Red ePaper End-of-Life notice.
    Description: These products will no longer be stocked at our facility or offered for sale on our website.
    Reason: Due to quality issues with the red ink during storage, we have determined that we will no longer offer this line of products to our customers.
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