This product has reached end of life and has been replaced by CFAH2004A-YTI-JT

Green 20x4 Character LCD [EOL]

Part Number: CFAH2004A-YMI-JT

Parallel Character LCD 20x4, RoHS Compliant, Yellow/Green LED Backlight, STN Negative, Blue, Transmissive -20°C to +70°C 6:00

  • Temperature range: -20°C to 70°C (-4°F to 158°F)
  • 8-bit or 4-bit parallel interface
  • Industry-standard HD44780 compatible controller
  • RoHS Compliant. Factory ISO certified.


Physical Characteristics

Characters x Lines 20 x 4
Module Overall width height depth
millimeters 98 60 13.6
inches 3.858 2.362 0.535
PCB Outline width height depth
millimeters 98 60 13.6
inches 3.858 2.362 0.535
Viewing Area width height
millimeters 77 25.2
inches 3.031 0.992
Active Area width height
millimeters 70.4 20.8
inches 2.772 0.819
Character Size width height
millimeters 2.95 4.75
inches 0.116 0.187
Character Pitch width height
millimeters 3.55 5.35
inches 0.140 0.211
Dot Size width height
millimeters 0.55 0.55
inches 0.022 0.022
Dot Pitch width height
millimeters 0.6 0.6
inches 0.024 0.024
Weight 52g

Optical Characteristics

Glass Type/Glass Color STN/Blue
Polarizer Transmissive
View Direction 6 o'clock
Backlight Color Yellow-Green
Backlight Type LED
Mode Negative
Foreground Color Yellow-Green
Background Color Dark

Electrical Specifications

Module Connector Pitch 0.1mm


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%


Controller Documents Sitronix ST7066U
Dot Matrix LCD Controller/Driver
Interface 4-bit Parallel, 8-bit Parallel

Part Change Notice

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Product Update #10652: (New Product) CFAH2004A-YMI-JT

New Product: CFAH2004A-YMI-JT
Date Issued: April 3, 2015
Summary: (New Product) CFAH2004A-YMI-JT
Description: Standard Character Modules: Parallel Character LCD 20x4, RoHS, Y/G LED Backlight, STN Negative, Blue, Transmissive -20°C to +70°C 6:00

Product Update #10651: CFAH2004A-YMI-JT discontinued.

Product Affected: CFAH2004A-YMI-JT
Date Issued: April 3, 2015
Summary: CFAH2004A-YMI-JT discontinued.
Description: With improved technology and manufacturing, the CFAH2004A-YMI-JT with negative blue STN LCD and yellow-green LED backlight is being discontinued in favor of a the visually superior CFAH2004A-YTI-JT with negative FSTN LCD and yellow-green LED backlight.
Recommendation: If product is currently designed with CFAH2004A-YMI-JT, it is recommended to move to the CFAH2004A-YTI-JT.
Availability: CFAH2004A-YMI-JT has very limited availability.
CFAH2004A-YTI-JT is available for immediate shipment.
For reference only. For design purposes, please use the specifications in the datasheet.

Product Notes

This product is End-of-Life and has limited availability. This display is not recommended for new designs. We suggest the CFAH2004A-YTI-JT as a replacement.

The price has been reduced on the remaining stock. These displays are perfect for a one-off or hobby project. As with all Crystalfontz displays, full technical support is included but we cannot accept returns. Once depleted, no more is available.