4.3″ SLCD43 Resistive, Horizontal Mount

Part Number: 51-0106-01

Powered by the SLCD43 controller:

  • One RS-232 and two 3.3V CMOS serial ports, plus a USB device port.

  • 16/32 bit CISC Processor. 4MB of flash memory for user downloadable bitmaps with RLE compression. Audio beeper.

  • Can be powered by USB connection.

All 4.3″ modules feature:

  • Ultra compact units combine a multi-function processor board and a 4.3-inch WQVGA (480 x 272) TFT color touch LCD.

  • Competitive pricing for a popular display size (used by portable gaming systems, GPS navigation, and other hand-held devices).

  • Good for handheld applications. Light, slim, and thin. Suitable for battery operation.

  • Designed for long-term availability with a 10+ year processor life and a multi-sourced, industry standard LCD form factor.


SLCD43 Controller

  • CPU: 16/32 bit CISC Processor
  • Storage Capacity: 4MB of Flash Memory for user downloadable bitmaps with RLE compression
  • I/O Interface: One RS-232 and two 3.3V CMOS serial ports, plus a USB device port.
  • Audio: Beeper

LCD Display

  • Display Type: 4.3” Diagonal TFT Color LCD
  • Resolution: 480 x 272 WQVGA, 16-bit Color
  • Orientation: Landscape, Portrait
  • Luminance (with touch): Typical 400 (cd/m²)
  • Viewing Angles: 70/70 left/right, 50/70 up/down
  • Backlight: LED
  • Manufacturer: Innolux

Get detailed panel specifications.


  • Type: 4-Wire Analog Resistive
  • Durability: Over One Million Touches


4.75″ W x 2.65″ H x .501″ D


  • Operating Temperature: -20 to 70° C; the LCD temperature range primarily limits this
  • Storage Temperature: -30 to 80° C
  • Humidity: Max 90%RH at 60° C; No Condensation
  • RoHS 2 Compliant: Yes

Power Requirements

  • Power Supply Voltage: +5VDC±10%
  • Power Consumption: Max 400mA


The board mounting holes connect to a digital ground. These must be connected to a chassis ground either directly or through a transient protection diode for ESD. The resistive touch circuit has ESD protection that shorts ESD on the touch panel to the board mounting holes.

Mounting Options

For 4.3″ modules, Reach Technology provides several mounting options: gaskets, bezels, and mounting tabs. Visit Mounting Options for more information.

Application Notes

See Application Notes that apply to SLCDx and all modules.

File Package

Download individual components using links below, or get this ZIP file that contains the most recent product information File Package (.ZIP) lock.


Download firmware by orientation.


Use BMPload to download bitmaps and macros to SLCD43 Flash memory from a PC.


It contains example macro applications, images, and fonts. Use BMPload to program the display module.


Display modules come with standard fonts. Get additional fonts from the Fonts Library, which contains fonts with extensive support for non-English (Latin) character sets. Use BMPload to program the display module.

See how to get a Development Kit up and running once it arrives. This video was created using a 7″ display module yet is applicable for this 4.3″ module.

You will find a Hardware Manual and Software Reference Manual in the Documents tab and Applications Notes, Firmware, Software, Demos, and Fonts in the Downloads tab.

4.3” SLCD43 Resistive, Horizontal Mount Development Kit

Part Number: 52-0107-02

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Reach Technology is now a part of Novanta.

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