40x4 Character LCD Dark on Gray from Crystalfontz

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40x4 Character LCD Dark on GrayPart Number: CFAH4004A1-TFH-JTWith 4 rows of 40 characters each, this display offers a lot of real estate for getting your message across.
Available in several variations of backlight and polarizers.
8-bit or 4-bit parallel interface
Industry-standard HD44780 compatible controller

Part Number:

CFA - Crystalfontz America

H - Character display

4004 - 40x4

A1 - Family and Revision (replaces CFAH4004A-TFH-JT)

T - White LED Backlight

F -  FSTN Positive, Gray

H - Transflective, 6:00 viewing direction, -20°C to +70°C operating temperatures

JT - English and Japanese Character Font Table

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
    
    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
        .50
        .55
    
        inches
        0.020
        0.022
    
    Dot Pitch        Width
        Height
		  
        millimeters
        .57
        .62
    
        inches
        0.022
        0.024
    
        Weight
            128g
Pin Count
            18

 visibility Optical Characteristics
Optical Characteristics

        Glass Type/Glass Color
            FSTN/Light Gray
Polarizer
            Transflective
View Direction
            6 o'clock
View Angle
            60°
Sunlight Readable
            Yes

        Backlight Color
            White
Backlight Type
            LED
Mode
            Positive
Foreground Color
            Dark
Background Color
            Light Gray

 electric_bolt Electrical Specification
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
            4.35V

        Supply Current Minimum
            1.8mA
Supply Current Maximum
            7mA
Supply Current Typical
            3.5mA
Touchscreen Connector Pitch
            2.54mm

 electric_bolt Backlight Specification
Backlight Electrical Specifications

        Forward Voltage Minimum
            3.4V
Forward Voltage Maximum
            3.6V
Forward Voltage Typical
            3.5V

        Forward Current Minimum
            20mA
Forward Current Maximum
            80mA
Forward Current Typical
            64mA

 nature Environmental
Environmental

    Operating Temperatures        min
        max
		  
        Celsius
        -20°
        70°
    
        Fahrenheit
        -4°
        158°
    
    Storage Temperatures        min
        max
		  
        Celsius
        -30°
        80°
    
        Fahrenheit
        -22°
        176°
    
 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_pdfCFAH4004A1-TFH-JT Datasheet

 download Files and Downloads
folder_zip Hardware Design - 3D Model
link Demo Code Repository on Github
 assured_workload Compliance Documents
 picture_as_pdf Declaration of Conformity RoHS2 
 picture_as_pdf Declaration of Conformity REACH

Need a written quote? Add to cart, then enter your email address in the "request a quote" box.
 Quantity:
              
Price: 

            Quantity
            Unit Price
        
            1
            $35.04

            10
            $30.86

            20 *
            $29.95

            50 *
            $28.86

            100 *
            $28.50

            200 *
            $28.31

            300 *
            $26.73

            500 *
            $26.55

            1000 *
            $25.15

10 Units In-Stock & Ready To Ship
 Pricing is subject to change.
* Contact us about potential lead times.
Other components worth considering

						72 Pin Header
Add (5) 72 Pin Headers?  $0.66 ea.

						8x2 Pin Dual Row Header
Add (5) 8x2 Pin Dual Row Headers? $0.28 ea.

						LCD Starter Kit with Potentiometer
Add an LCD Starter Kit? $11.06 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

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	.50	.55
inches	0.020	0.022

Dot Pitch	Width	Height
millimeters	.57	.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°

Quantity	Unit Price
1	$35.04
10	$30.86
20 *	$29.95
50 *	$28.86
100 *	$28.50
200 *	$28.31
300 *	$26.73
500 *	$26.55
1000 *	$25.15

Notices

Part Change Notices

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Part Change Notice #11336: 40x4 Character LCD Dark on Gray is now available

New Product:	CFAH4004A1-TFH-JT
Date Issued:	March 20, 2025
Summary:	40x4 Character LCD Dark on Gray is now available
Description:	CFAH4004A1-TFH-JT has been released on our website (https://www.crystalfontz.com/product/cfah4004a1tfhjt-40x4-character-lcd-dark-on-gray) and is now available for sale. Orders can be placed directly from our website or by submitting a purchase order to sales@crystalfontz.com. For any technical questions, contact support@crystalfontz.com.

Part Change Notices

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email or RSS for CFAH4004A1-TFH-JT

40x4 Character LCD Dark on Gray

Part Number: CFAH4004A1-TFH-JT

Product Variations

Colors

Physical Characteristics

Optical Characteristics

Electrical Specifications

Backlight Electrical Specifications

Environmental

Electronics

Part Change Notices

Subscribe to Part Change Notices by email or RSS

Part Change Notice #11336: 40x4 Character LCD Dark on Gray is now available

Part Change Notices

LCD Software

User Forum

Tech Support

Glass Type/Glass Color	FSTN/Light Gray
Polarizer	Transflective
View Direction	6 o'clock
View Angle	60°
Sunlight Readable	Yes

Backlight Color	White
Backlight Type	LED
Mode	Positive
Foreground Color	Dark
Background Color	Light Gray

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	4.35V

Supply Current Minimum	1.8mA
Supply Current Maximum	7mA
Supply Current Typical	3.5mA
Touchscreen Connector Pitch	2.54mm

Forward Voltage Minimum	3.4V
Forward Voltage Maximum	3.6V
Forward Voltage Typical	3.5V

Forward Current Minimum	20mA
Forward Current Maximum	80mA
Forward Current Typical	64mA

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

Weight	128g
Pin Count	18