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4.3 Inch 480x272 TN TFT LCD Display with Resistive Touch Panel - Quality China Suppliers & Factory Products
Product Description
H043IWQ40E3549-T is a 4.3-inch TFT LCD module with resistive touch function. This LCD screen adopts a TN panel, with a resolution of 480×272, 24-bit RGB 40-pin interface, and ST7282 Driver IC. It has a brightness of 300 nits and can withstand operating temperatures ranging from -20℃ to +70℃.
- 🏭 Industrial Control & Automation: Used as human-machine interfaces to connect PLC controllers, instrument panels, data loggers, and weighing & force measurement equipment. Displays operating parameters in real time and allows operators to set parameters, query historical data, or handle alarm information by touch.
- 🏥 Medical Equipment: The intuitiveness and convenience of the 4.3-inch resistive touch screen helps doctors quickly control medical devices with ease and precision.
- 🔧 Instrumentation & Smart Home: Suitable for a wide range of instrumentation applications and smart home control panels requiring reliable touch input.
- 🚌 Transportation: Applied in transportation systems where durability, strong anti-interference ability, and support for multiple touch control methods are essential.
Mechanical Drawing
Specification Parameters
| Feature | Spec |
|---|---|
| Model Name | H043IWQ40E3549-T |
| LCD Size | 4.3 inch |
| Display Format | 480×272 |
| Interface | 24-bit RGB 40pin |
| Luminance | 300 cd/m² |
| Touch Screen | Resistive Touch |
| Viewing Direction | 12 O'clock |
| Color Depth | 16.7M |
| Driver IC | ST7282 |
| LCM+TP (W × H × D) (mm) | 105.45 × 67.15 × 4.1 |
| 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 | R0~R7 | Data bus |
| 13~20 | G0~G7 | Data bus |
| 21~28 | B0~B7 | Data bus |
| 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 (FAQ)
❓What is the resolution of the H043IWQ40E3549-T LCD module?
The H043IWQ40E3549-T features a resolution of 480×272 pixels, making it suitable for clear and detailed display in compact embedded applications.
❓What type of touch screen does this module use?
This module uses a resistive touch screen, which offers high durability, strong anti-interference capability, and supports multiple touch control methods. It can be operated with a finger, stylus, or gloved hand.
❓What is the operating temperature range of the H043IWQ40E3549-T?
The module supports an operating temperature range of -20℃ to +70℃ and a storage temperature range of -30℃ to +80℃, making it reliable for industrial and outdoor environments.
❓What interface does this LCD module use?
The H043IWQ40E3549-T uses a 24-bit RGB 40-pin interface, providing a wide color gamut of up to 16.7 million colors and easy integration with common microcontrollers and SoCs.
❓What are the main application fields for this 4.3-inch resistive touch LCD?
This module is widely used in industrial control & automation (HMI panels, PLC interfaces), medical equipment, instrumentation, smart home systems, and transportation applications.
❓What is the physical dimension of the H043IWQ40E3549-T module?
The overall LCM+TP dimensions are 105.45 × 67.15 × 4.1 mm, with an active display area of 95.04 × 53.856 mm, providing a compact form factor suitable for space-constrained designs.