20x2 Parallel Character LCD

Part Number: CFAH2002A-YMI-JT


Quantity Price
1 $9.67
10 $8.41
20 $8.11
50 $7.81
100 * $7.69
200 * $7.57
500 * $6.93
1000 * $6.13
* Contact us about potential lead times.

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2x20 Character display, STN Negative Blue, Transmissive.

  • Yellow/Green LED Backlight.
  • 6:00 o'clock view direction.
  • 8-bit or 4-bit parallel interface.
  • Industry-standard Hitachi HD44780 compatible controller: (Sitronix ST7066U)
  • Operating temperature range is from -20°C to +70°C.

If you use this character module and want to upgrade to a graphic module we recommend the CFAG19232C Series of graphic LCD displays.


For reference only. For design purposes, please use the specifications in the datasheet.

Physical Characteristics

Characters x Lines 20 x 2
Module Overall width height depth
millimeters 116 37 13.9
inches 4.567 1.457 0.547
PCB Outline width height depth
millimeters 116 37 13.9
inches 4.567 1.457 0.547
Viewing Area width height
millimeters 85 18.6
inches 3.346 0.732
Active Area width height
millimeters 73.5 11.5
inches 2.894 0.453
Character Size width height
millimeters 3.2 5.55
inches 0.126 0.219
Character Pitch width height
millimeters 3.7 5.95
inches 0.146 0.234
Dot Size width height
millimeters 0.6 0.65
inches 0.024 0.026
Dot Pitch width height
millimeters 0.65 0.7
inches 0.026 0.028
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 Sitronix ST7066U
Interface 4-bit Parallel, 8-bit Parallel

*Suggest a Correction

Part Change Notice

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Product Update #10941: The parts listed are being updated.

Date Issued: March 23, 2018
Summary: The parts listed are being updated.
Description: The PCB will be revised to improve manufacturability and performance. The PCB will be marked as REV Q.
Reason: Continuous product improvement
Impact: There is no impact. The functionality of the module will not change.
Recommendation: None
Availability: Modules with the revised PCBs will be available when current stocks are depleted.
Price Change: TBD
Response: None Required