Sunlight Readable 20x2 Character LCD

Part Number: CFAH2002L-YYH-ET

Standard 20x2 Character LCD – Dark On Yellow-Green

Do you need an LCD display module with characters large enough to read from a distance in a bright location? Using a 5 x 8 character matrix, this 20 x 2 transflective LCD screen is sunlight readable and is also easy to read in low light. The built-in character set supports English/European text (see page 11 of the Datasheet).

Character LCD display modules are sturdy and reliable and should last through your product's life-cycle. We understand that your projects need displays that will be available for a long time. Crystalfontz is committed to making all of our display modules available for as long as possible. We've sold this classic LCD since 2006. This STN display has a yellow-green LED backlight, rated to operate continuously for up to 17 years! As with most character displays, this one communicates with parallel interface (your choice of 8-bit or 4-bit).

If you have system software written for the common Hitachi HD44780 controller, the integrated Sitronix ST7066U controller is compatible and should work without modification. For command details, see the Sitronix ST7066U datasheet on our website.

No minimum order quantity (MOQ) is required, and every display module comes with a one year warranty. And of course, Crystalfontz is here to help you with bringing up the hardware and software when you integrate this display into your project.

  • 2 lines of 20 characters
  • Industry standard 20x2 form factor
  • 2 lines of 20 characters
  • Built-in Sitronix ST7066U or compatible controller.
  • Sunlight readable

  • square_foot Physical Characteristics

    Physical Characteristics

    Characters x Lines 20 x 2
    Module Overall width height depth
    millimeters 180 40 13.9
    inches 7.09 1.58 0.55
    PCB Outline width height depth
    millimeters 180 40 13.9
    inches 7.09 1.58 0.55
    Diagonal Dimension 5.68"
    Viewing Area Width Height
    millimeters 149 23
    inches 5.87 0.91
    Active Area Width Height
    millimeters 142.8 20.64
    inches 5.62 0.81
    Character Size Width Height
    millimeters 6 9.66
    inches 0.236 0.380
    Character Pitch Width Height
    millimeters 7.2 10.98
    inches 0.283 0.432
    Dot Size Width Height
    millimeters 1.12 1.12
    inches 0.044 0.044
    Dot Pitch Width Height
    millimeters 1.22 1.22
    inches 0.048 0.048
    Weight 52g
    Pin Count 16
  • visibility Optical Characteristics

    Optical Characteristics

    Glass Type/Glass Color STN/Yellow-Green
    Polarizer Transflective
    View Direction 6 o'clock
    Sunlight Readable Yes
    Backlight Color Yellow-Green
    Backlight Type LED
    Mode Positive
    Foreground Color Dark
    Background Color Yellow-Green
  • electric_bolt Electrical Specification

    Electrical Specifications

    Supply Voltage for Logic Minimum 4.5V
    Supply Voltage for Logic Maximum 5.5V
    Supply Voltage for Logic Typical 5V
    Supply Voltage for Driving Panel Typical 4.35V
    Supply Current Minimum 0.3mA
    Supply Current Maximum 3.3mA
    Supply Current Typical 1.6mA
    Module Connector Pitch 0.1mm
  • electric_bolt Backlight Specification

    Backlight Electrical Specifications

    Forward Voltage Minimum 4.1V
    Forward Voltage Maximum 4.5V
    Forward Voltage Typical 4.3V
    Forward Current Minimum 288mA
    Forward Current Maximum 432mA
    Forward Current Typical 360mA
  • nature Enviromental


    Operating Temperatures min max
    Celsius -20° 70°
    Fahrenheit -4° 158°
    Storage Temperatures min max
    Celsius -30° 80°
    Fahrenheit -22° 176°
    Humidity min max
    Non-condensing 0% 90%
  • cable Electronics


    Controller Documents Sitronix ST7066U
    Dot Matrix LCD Controller/Driver
    Sitronix ST7066U

    Sitronix ST7066U
    Dot Matrix LCD Controller/Driver
    Interface 4-bit Parallel, 8-bit Parallel
  • picture_as_pdf Datasheets
  • download Files and Downloads
  • assured_workload Compliance Documents

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Quantity Price
1 $26.85
5 $24.78
10 $21.83
20 * $21.19
50 * $20.42
100 * $20.16
200 * $20.03
300 * $18.90
500 * $18.77
1000 * $17.78
* Pricing is subject to change. Contact us about potential lead times.
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Part Change Notice

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  • text_snippet
    Product Update #10655: CFAH2002L-***-ET Series Backlight Spec Change
    Products Affected: CFAH2002L-TMI-ET, CFAH2002L-TFH-ET, CFAH2002L-YYH-ET
    Date Issued: May 19, 2015
    Summary: CFAH2002L-***-ET Series Backlight Spec Change
    Description: Alternate LED manufacturer was used to improve product availability for the CFAH2002L-***-ET series. The series has three color variants:
    Reason: Improve product availability.
    Impact: Normally, the change will not be noticeable.
    Recommendation: If your existing product is very sensitive to the backlight color/brightness/current, you may want to evaluate the alternate backlight before ordering additional stock.
    Price Change: None

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