White on Blue 20x4 Character LCD

Part Number: CFAH2004D-TMI-ET

Parallel Character LCD 20x4, RoHS Compliant, White Edge LED Backlight, STN Negative, Blue, Transmissive -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 $26.05
10 $25.29
20 $21.61
50 * $19.04
100 * $16.84
200 * $15.27
500 * $13.49
1000 * $12.24
* Pricing is subject to change. Contact us about potential lead times.
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Physical Characteristics

Characters x Lines 20 x 4
Module Overall width height depth
millimeters 77 47 12.4
inches 3.031 1.850 0.488
PCB Outline width height depth
millimeters 77 47 12.4
inches 3.031 1.850 0.488
Diagonal Dimension 2.28"
Viewing Area width height
millimeters 60 22
inches 2.362 0.866
Active Area width height
millimeters 55.1 17.56
inches 2.169 0.691
Character Size width height
millimeters 2.3 4.03
inches 0.091 0.159
Character Pitch width height
millimeters 2.78 4.51
inches 0.109 0.178
Dot Size width height
millimeters 0.42 0.46
inches 0.017 0.018
Dot Pitch width height
millimeters 0.47 0.51
inches 0.019 0.020
Weight 52g

Optical Characteristics

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

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 4.5V
Supply Current Minimum 4.4mA
Supply Current Maximum 4.6mA
Supply Current Typical 1.2mA
Module Connector Pitch 0.1mm

Backlight Electrical Specifications

Forward Voltage Minimum 3.4V
Forward Voltage Maximum 3.6V
Forward Voltage Typical 3.5V
Forward Current Minimum 10mA
Forward Current Maximum 40mA
Forward Current Typical 32mA


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.