Yellow-Green 40x4 Character Module from Crystalfontz

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                In order to keep this display in production over the long term, we are revising it to the CFAH4004A1YYH-JT. Please contact support with any questions.          
Yellow-Green 40x4 Character ModulePart Number: CFAH4004A-YYH-JTParallel Character LCD 40x4, 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
Product VariationsColorsWhite on Blue
White LED BacklightDark on Yellow-Green
Yellow-Green LED BacklightDark on Light Gray
White LED Backlight

 square_foot Physical Characteristics
Physical Characteristics

        Characters x Lines
            40 x 4

    Module Overall        width
        height
        depth
		  
        millimeters
        190
        54
        13.6
    
        inches
        7.48
        2.13
        0.54
    
    PCB Outline        width
        height
        depth
		  
        millimeters
        190
        54
        13.6
    
        inches
        7.48
        2.13
        0.54
    
        Diagonal Dimension
            5.6"

    Viewing Area        Width
        Height
		  
        millimeters
        147
        29.5
    
        inches
        5.79
        1.16
    
    Active Area        Width
        Height
		  
        millimeters
        140.45
        23.16
    
        inches
        5.53
        0.91
    
    Character Size        Width
        Height
		  
        millimeters
        2.78
        4.89
    
        inches
        0.109
        0.193
    
    Character Pitch        Width
        Height
		  
        millimeters
        3.53
        6.09
    
        inches
        0.139
        0.240
    
    Dot Size        Width
        Height
		  
        millimeters
        0.5
        0.55
    
        inches
        0.020
        0.022
    
    Dot Pitch        Width
        Height
		  
        millimeters
        0.57
        0.62
    
        inches
        0.022
        0.024
    
        Weight
            128g
Pin Count
            18

 visibility Optical Characteristics
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

 electric_bolt Electrical Specification
Electrical Specifications

        Module Connector Pitch
            0.1mm

 nature Environmental
Environmental

    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%
    
 cable Electronics
Electronics

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

 picture_as_pdf Datasheets
picture_as_pdfCFAH4004AYYHJT Datasheet

 download Files and Downloads
folder_zip CAD Export - CFAH4004A 2D CAD
picture_as_pdf 1 to 1 Template - CFAH4004A 1 TO 1 Lf Side.pdf
picture_as_pdf 1 to 1 Template - CFAH4004A 1 TO 1 Rt Side.pdf
link Demo Code Repository on Github

Other components worth considering

						72 Pin Header
Add (5) 72-pin headers?  $0.66 ea.

Colors	White on Blue White LED Backlight Dark on Yellow-Green Yellow-Green LED Backlight Dark on Light Gray White LED Backlight

Module Overall	width	height	depth
millimeters	190	54	13.6
inches	7.48	2.13	0.54

PCB Outline	width	height	depth
millimeters	190	54	13.6
inches	7.48	2.13	0.54

Viewing Area	Width	Height
millimeters	147	29.5
inches	5.79	1.16

Active Area	Width	Height
millimeters	140.45	23.16
inches	5.53	0.91

Character Size	Width	Height
millimeters	2.78	4.89
inches	0.109	0.193

Character Pitch	Width	Height
millimeters	3.53	6.09
inches	0.139	0.240

Dot Size	Width	Height
millimeters	0.5	0.55
inches	0.020	0.022

Dot Pitch	Width	Height
millimeters	0.57	0.62
inches	0.022	0.024

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%

Notices

Part Change Notices

Subscribe to Part Change Notices by email or RSS

End-Of-Life #11170: End-of-Life Notification

Products Affected:	CFAH4004A-YYH-JT, CFAH4004A-TFH-JT, CFAH4004A-TMI-JT
Date Issued:	January 23, 2023
Summary:	End-of-Life Notification
Description:	The bezel used on these displays is being modified to improve manufacturability. The part numbers are being updated to reflect this change. The replacement part numbers are listed below. CFAH4004A-YYH-JT -> CFAH4004A1-YYH-JT CFAH4004A-TMI-JT -> CFAH4004A1-TMI-JT CFAH4004A-TFH-JT -> CFAH4004A1-TFH-JT There is a limited inventory of the old part available. Contact sales@crystalfontz.com for the latest inventory levels.
Reason:	Manufacturability improvement.
Availability:	Contact Crystalfontz Support for up-to-date information on the replacement parts by emailing support@crystalfontz.com.

Part Change Notice #11034: The Printed Circuit Boards of the parts listed are being revised as part of our continuing product improvement process.

Products Affected:	CFAH4004A-YYH-JT, CFAH4004A-TFH-JT, CFAH4004A-TMI-JT
Date Issued:	January 29, 2019
Summary:	The Printed Circuit Boards of the parts listed are being revised as part of our continuing product improvement process.
Description:	The layout of the circuit board is being changed to improve manufacturability. At the same time, the Temperature Compensation circuit will be improved.
Impact:	There should be no impact to the customer. The form, fit, and function of the modules will remain the same.
Recommendation:	Customers who wish to test the modules with the revised PCBs should contact Sales to obtain samples.
Availability:	The modules with the revised PCBs will be available as current stocks are replaced.

Yellow-Green 40x4 Character Module

Part Number: CFAH4004A-YYH-JT

Product Variations

Colors

Physical Characteristics

Optical Characteristics

Electrical Specifications

Environmental

Electronics

Part Change Notices

Subscribe to Part Change Notices by email or RSS

End-Of-Life #11170: End-of-Life Notification

Part Change Notice #11034: The Printed Circuit Boards of the parts listed are being revised as part of our continuing product improvement process.

LCD Software

User Forum

Tech Support

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

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

Weight	128g
Pin Count	18