USB LCD Displays
4.2" 3-Color 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.
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.
Product Variants
![CFAP400300B1-0420](/product_images/variants/xCFAP400300B10420--CFAP400300B1-0420_Front_On.jpg.pagespeed.ic.mIvK-YmAXH.jpg "4.2\\" ePaper Display with super high contrast and zero power required after update.")
Datasheet
TECHNICAL SPECS
Physical Characteristics
| Column Dots x Row Dots | 400 x 300 |
| Module Overall | width | height | depth |
|---|---|---|---|
| millimeters | 91 | 77 | 1.18 |
| inches | 3.583 | 3.031 | 0.046 |
| *width / height does not include Foldable Tab | |||
| Diagonal Dimension | 4.17" |
| Active Area | width | height |
|---|---|---|
| millimeters | 84.8 | 63.6 |
| inches | 3.339 | 2.504 |
| 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 |
Optical Characteristics
| View Angle | Ultra-Wide° |
| Foreground Color | Black / Red |
| Background Color | White |
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 |
Environmental
| Operating Temperatures | min | max |
|---|---|---|
| Celsius | 0° | 50° |
| Fahrenheit | 32° | 122° |
| Storage Temperatures | min | max |
|---|---|---|
| Celsius | -25° | 70° |
| Fahrenheit | -13° | 158° |
| Humidity | min | max |
|---|---|---|
| Non-condensing | 40% | 70% |
Electronics
| Interface | SPI |
Miscellaneous
| Foldable Tab | Yes |
| Full Screen Update Time | 15s |
| Time Between Updates | 180s |
Part Change Notice
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Product Update #11084: Red ePaper End-of-Life notice.
For reference only. For design purposes, please use the specifications in the datasheet.
