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4.3 Inch 480x272 RGB TN TFT LCD Module - 350 Nit, 40-Pin Interface from Reliable China Suppliers & Factory
Product Description
H043IWQ40E3548 is a 4.3-inch TFT LCD module. This LCD screen adopts a TN panel with a resolution of 480×272, an 8-bit RGB 40-pin interface, ST7282 Driver IC, and a brightness of 350 nits. The operating temperature can withstand -20℃ to +70℃, and resistive touch screens or capacitive touch screens can be optionally equipped.
- Industrial Control: HMI, PLC panels, instruments & meters
- Medical Equipment: Portable ultrasound, monitors, detection devices
- Other Fields: Smart meters, security monitoring, IoT terminals
Mechanical Drawing
Specification Parameters
| Feature | Spec |
| Model Name | H043IWQ40E3548 |
| LCD Size | 4.3 inch |
| Display Format | 480×272 |
| Interface | 8-bit RGB 40pin |
| Luminance | 350 cd/m² |
| Touch Screen | None, optional |
| Viewing Direction | 12 O'clock |
| Color Depth | 16.7M |
| Driver IC | ST7282 |
| LCM (W × H × D) (mm) | 105.45 × 67.15 × 3 |
| Active Area (mm) | 95.04 × 53.856 |
| Operating Temperature | -20℃ ~ +70℃ |
| Storage Temperature | -30℃ ~ +80℃ |
| Operating Voltage | 22.4V |
Interface Definition
| No. | Symbol | Description |
| 1 | VBL- | Backlight LED Cathode |
| 2 | VBL+ | Backlight LED Anode |
| 3 | GND | System Ground |
| 4 | VCC | Power supply for logic operation |
| 5~12 | NC | — |
| 13~20 | G0~G7 | Data bus |
| 21~28 | NC | — |
| 29 | GND | System Ground |
| 30 | CLK | Pixel clock signal |
| 31 | DISP | Display on/off control |
| 32 | HSYNC | Horizontal Sync signal |
| 33 | VSYNC | Vertical Sync signal |
| 34 | DEN | Data Enable |
| 35 | NC | No connect |
| 36 | GND | System Ground |
| 37 | XR | TP pin XR |
| 38 | NC/YD | TP pin YD |
| 39 | NC/XL | TP pin XL |
| 40 | NC/YU | TP pin YU |
Frequently Asked Questions
Q
What is the resolution of the H043IWQ40E3548 TFT LCD module?
The H043IWQ40E3548 has a resolution of 480×272 pixels. It uses a TN panel type and supports a color depth of 16.7M colors, making it suitable for clear and detailed display applications.
Q
What interface does this 4.3-inch LCD module use?
This LCD module uses an 8-bit RGB 40-pin interface. The 40-pin connector includes power supply pins, data bus lines (G0~G7), sync signals (HSYNC, VSYNC), pixel clock (CLK), data enable (DEN), and optional touch panel pins.
Q
Does the H043IWQ40E3548 support touch screen functionality?
Yes. The H043IWQ40E3548 supports optional touch screen configurations. Both resistive touch screens and capacitive touch screens can be optionally equipped based on your application requirements. The interface includes dedicated TP pins (XR, YD, XL, YU) on the 40-pin connector.
Q
What is the operating temperature range of this LCD module?
The H043IWQ40E3548 has an operating temperature range of -20℃ to +70℃, and a storage temperature range of -30℃ to +80℃. This wide temperature tolerance makes it well-suited for industrial and outdoor environments.
Q
What are the main application fields for the H043IWQ40E3548?
This 4.3-inch TFT LCD module is widely used in: Industrial control (HMI human-machine interfaces, PLC operation panels, instruments and meters); Medical equipment (portable ultrasound diagnostic instruments, monitors, detection devices); and Other fields such as smart electricity meters, security monitoring systems, and IoT terminals.
Q
What is the physical size and active display area of the H043IWQ40E3548?
The overall LCM module dimensions are 105.45 mm × 67.15 mm × 3 mm (W × H × D). The active display area is 95.04 mm × 53.856 mm. The module operates at a voltage of 22.4V with a brightness of 350 cd/m², driven by the ST7282 Driver IC.