This display is not recommended for new designs. Once our stock is depleted it will no longer be available. If you would like to use a similar part, the blue version is still available: CFAH2004AP-TMI-EW.

20x4 SPI Character LCD Display

Part Number: CFAH2004AP-TFH-EW

Dark text on gray 20x4 SPI character LCD module.

  • Character Matrix: 20x4 Characters
  • Optics: 6:00 viewing direction
  • Backlight: White Edge LED
  • Glass: STN Positive, Transflective
  • Controller: Sitronix ST7066U (HD44780 compatible)
  • Operating Temp: -20°C to +70°C
  • Compliance: REACH & RoHS Compliant
Quantity Price
1 $25.84
5 $23.86
10 $21.01
20 * $20.39
50 * $19.65
100 * $19.41
200 * $19.28
300 * $18.20
500 * $18.08
1000 * $16.74
* For quantites over this amount the lead time may be up to 60 days. Contact us about potential lead times.
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Part Change Notices

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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
Diagonal Dimension 2.89"
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 3.35 5.35
inches 0.132 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 73.3g
Pin Count 16

Optical Characteristics

Glass Type/Glass Color STN/Light Gray
Polarizer Transflective
View Direction 6 o'clock
Sunlight Readable Yes
Backlight Color White
Backlight Type LED
Mode Positive
Foreground Color Dark
Background Color Gray

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 1mA
Supply Current Maximum 1.5mA
Supply Current Typical 1.2mA


Operating Temperatures min max
Celsius -20° 70°
Fahrenheit -4° 158°
Storage Temperatures min max
Celsius -30° 80°
Fahrenheit -22° 176°


Controller Documents RockWorks RW1063-0B-002
Interface SPI

Part Change Notice

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Part Change Notice #11054: End-Of-Life Notification

Product Affected: CFAH2004AP-TFH-EW
Date Issued: October 31, 2019
Summary: End-Of-Life Notification
Description: The part listed is being set to end of life
Reason: The glass used in this part is not available.
Impact: This part will not be available once our current stock is depleted.
Recommendation: Crystalfontz is working on a replacement, but one is not available at this time.
Availability: Current stock only

Product Update #10883: (New Product) CFAH2004AP-TFH-EW

New Product: CFAH2004AP-TFH-EW
Date Issued: October 16, 2017
Summary: (New Product) CFAH2004AP-TFH-EW
Description: Standard Character Modules: SPI Character LCD 20x4 with dark letters on gray background
For reference only. For design purposes, please use the specifications in the datasheet.