USB LCD Displays
This product is discontinued please contact support to see if there is a replacement part available.
[EOL] Dark 20x4 Character LCD
Part Number: CFAH2004D-YTI-ET
![[EOL] Dark 20x4 Character LCD (CFAH2004D-YTI-ET)](/images/products/CFAH2004DYTIET/CFAH2004DYTI_large.jpg)
Datasheet
TECHNICAL SPECS
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 |
| 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 | FSTN/Black |
| Polarizer | Transmissive |
| View Direction | 6 o'clock |
| Backlight Color | Yellow-Green |
| Backlight Type | LED |
| Mode | Negative |
| Foreground Color | Yellow-Green |
| Background Color | Dark |
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 |
| Module Connector Pitch | 0.1mm |
Backlight Electrical Specifications
| Forward Voltage Minimum | 3.9V |
| Forward Voltage Maximum | 4.4V |
| Forward Voltage Typical | 4.2V |
| Forward Current Minimum | 144mA |
| Forward Current Maximum | 216mA |
| Forward Current Typical | 180mA |
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
Subscribe to Part Change Notices by email 
or RSS 
Product Update #10900: End-Of-Life Notice
Compatible Software:
For reference only. For design purposes, please use the specifications in the datasheet.
