In order to keep this display in production over the long term, we revised it to the CFAH4004A1-TMI-JT. Please contact support with any questions.
White on Blue 40x4 Character LCD
Part Number: CFAH4004A-TMI-JT
Parallel Character LCD 40x4, 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
Product Variants
4-bit Parallel / 8-bit Parallel
Datasheet
TECHNICAL SPECS
Physical Characteristics
Characters x Lines | 40 x 4 |
Module Overall | width | height | depth |
---|---|---|---|
millimeters | 190 | 54 | 13.6 |
inches | 7.480 | 2.126 | 0.535 |
PCB Outline | width | height | depth |
---|---|---|---|
millimeters | 190 | 54 | 13.6 |
inches | 7.480 | 2.126 | 0.535 |
Diagonal Dimension | 5.6" |
Viewing Area | width | height |
---|---|---|
millimeters | 147 | 29.5 |
inches | 5.787 | 1.161 |
Active Area | width | height |
---|---|---|
millimeters | 140.45 | 23.16 |
inches | 5.530 | 0.912 |
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 | 126g |
Pin Count | 18 |
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 | 4.35V |
Supply Current Minimum | 1.8mA |
Supply Current Maximum | 7mA |
Supply Current Typical | 3.5mA |
Module Connector Pitch | 2.54mm |
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 |
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% |
Electronics
Controller Documents | Sitronix ST7066U Dot Matrix LCD Controller/Driver |
Interface | 4-bit Parallel, 8-bit Parallel |
Part Change Notice
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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.
For reference only. For design purposes, please use the specifications in the datasheet.

