Sunlight Readable 20x1 Character LCD

Part Number: CFAH2001B-YYH-ET

Parallel Character LCD 20x1, RoHS Compliant, Yellow/Green LED Backlight, STN Positive, Yellow/Green, Transflective -20°C to +70°C 6:00

  • Available in several variations of backlight and polarizer (minimum order may be required)
  • 8-bit or 4-bit parallel interface
  • Industry-standard HD44780 compatible controller
Quantity Price
1 $29.27
5 $24.44
10 $23.79
20 $22.99
50 $22.18
100 $21.86
200 $21.70
300 $21.54
500 $21.38
1000 * $21.22
* Pricing is subject to change. Contact us about potential lead times.
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Physical Characteristics

Characters x Lines 20 x 1
Module Overall width height depth
millimeters 180 40 13.9
inches 7.087 1.575 0.547
PCB Outline width height depth
millimeters 180 40 13.9
inches 7.087 1.575 0.547
Diagonal Dimension 5.65"
Viewing Area width height
millimeters 149 23
inches 5.866 0.906
Active Area width height
millimeters 142.8 14.98
inches 5.622 0.590
Character Size width height
millimeters 6 12.72
inches 0.236 0.501
Character Pitch width height
millimeters 7.2 14.98
inches 0.283 0.590
Dot Size width height
millimeters 1.15 1.77
inches 0.045 0.070
Dot Pitch width height
millimeters 1.21 1.83
inches 0.048 0.072
Weight 105g
Pin Count 16

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

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 4.4V
Supply Current Minimum 1mA
Supply Current Maximum 1.5mA
Supply Current Typical 1.2mA
Module Connector Pitch 0.1mm

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


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