Product
This part number is a CFA635-TFK-KU bundled with the following product:

20x4 Character LCD with WR-USB-Y03 Cable

Part Number: CFA635-TFK-KU1

Communications Interface
  • USB 2.0
  • Robust packet based communications protocol with 16-bit CRC
20x4 Character LCD
  • FSTN Positive
  • Transflective
  • -20°C to +70°C Operating Range
  • 12:00 viewing angle
  • White LED Edge Lit Backlight
  • Characters are contiguous in both X and Y directions to allow the host software to display "gap-less" bar graphs in horizontal or vertical directions
Integrated Keypad
  • Translucent silicon with silkscreened legend
  • 6 fully decoded buttons: any key combination is valid and unique
  • White LED Backlit
  • Optional ATX power supply control functionality allows the buttons on the CFA-635 to replace the "power" and "reset" buttons on your system, simplifying your front panel design.
Non-volatile memory capability ("EEPROM")
  • Customize the "power-on" display and LED settings
  • 16-byte "scratch" register for storing IP, netmask, system serial number
Other Features
  • Four bi-color (red + green) LEDs. The LEDs’ brightness can controlled by the host software, which allows mixing the LEDs to produce other colors (yellow and orange)
  • Compact size: fits in a 1U rack mount case (37mm overall height)
  • Optional 5.25" half-height LCD drive bay kit. (Available when adding to cart.)
  • Optional hard drive mounting tray (SLED) which allows you to mount a hard drive behind the display, saving valuable space in your enclosure and providing space for your display, System Cooling Accessory Board (FBSCAB) and a 3.5" disk drive. (Available when adding to cart.)

20x4 Character LCD with WR-USB-Y03 Cable (CFA635-TFK-KU1)

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Price:
Quantity Unit Price
1 $101.51
10 $98.56
20 $92.20
50 $85.84
100 $79.47
200 $73.11
500 * $66.75
1000 * $61.73
380 Units In-Stock & Ready To Ship
Pricing is subject to change.
* Contact us about potential lead times.

Part Change Notices

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  • text_snippet
    Part Change Notice #11367: Status LED change
    Products Affected: CFA735-TFK-KR, CFA735-TFK-KT, CFA735-TML-KR, CFA735-TML-KT, CFA835-TML, CFA835-TFK, CFA635-TFK-KL, CFA635-TFK-KS, CFA635-TFK-KU, CFA635-TML-KL, CFA635-TML-KS, CFA635-TML-KU, CFA635-YYK-KL, CFA635-YYK-KS, CFA635-YYK-KU, XES635BK-TML-KU, XES635BK-TFK-KU, XES635BK-YYK-KU
    Date Issued: October 15, 2025
    Summary: Status LED change
    Description: The status LED is being changed from LD2X512A1XXXXXXX0001 to SSL-LX3059IGW
    Reason: LD2X512A1XXXXXXX0001 has gone EOL and is no longer available.
    Impact: There is a slight visual difference in the red color hue.
    Availability: Contact Crystalfontz Support for up-to-date information by emailing support@crystalfontz.com.
Part Change Notices

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