## NEC NL3224AC35-01 | Industrial QVGA Display for Extreme Temperatures
The NEC NL3224AC35-01 is a 5.5-inch a-Si TFT-LCD module engineered for exceptional durability and visual performance in demanding industrial applications. This display provides a robust solution for process controllers, in-vehicle systems, and specialized monitors where reliability is non-negotiable. Its combination of a wide operating temperature range and consistent optical performance makes it a strategic choice for long-lifecycle equipment.
### Technical Deep Dive: Engineered for Reliability
The NL3224AC35-01 is built upon a foundation of proven a-Si TFT (Amorphous Silicon) active matrix technology. This technology is renowned for its stability and maturity, providing a reliable platform for industrial HMI. The module’s core strength lies in its exceptional thermal resilience. It boasts an operating temperature range of -30°C to 85°C and a storage range of -40°C to 95°C, ensuring consistent performance in environments where commercial-grade displays would fail. This capability is critical for applications exposed to outdoor conditions or un-conditioned indoor environments, such as construction equipment cabs or remote monitoring stations.
Furthermore, the integration of an edge-lit CCFL backlight with an included inverter simplifies system design. This all-in-one approach reduces the need for external components, streamlining the integration process and minimizing potential points of failure. The analog RGB interface provides broad compatibility with legacy and existing controller hardware, facilitating easier technology upgrades without a complete system overhaul.
### Application Scenarios & Value Proposition
The robust feature set of the NEC NL3224AC35-01 translates directly into tangible value across several key sectors:
* **Industrial Process Control:** In manufacturing and automation, clear and immediate data visualization is paramount. The display's 320x240 QVGA resolution provides crisp, readable text and graphics for monitoring systems and machine interfaces. Its wide temperature tolerance ensures it remains operational in harsh factory settings, from cold storage facilities to high-temperature production lines.
* **Specialty Vehicle Systems:** For agricultural machinery, construction vehicles, and marine navigation systems, displays must endure constant vibration, shock, and extreme temperatures. The NL3224AC35-01's durable construction and broad thermal range make it a prime candidate for these mobile applications, offering operators a reliable visual interface.
* **Test and Measurement Equipment:** Portable and benchtop diagnostic tools require displays that are clear and can function reliably in various field and lab conditions. This module provides the necessary durability and visual consistency for accurate readings and analysis. For engineers seeking a slightly larger form factor with similar rugged characteristics, the AA065VD01 can be an excellent alternative to consider.
### Key Specifications Overview
Engineers require precise data for system integration. The following table outlines the key performance metrics of the NL3224AC35-01. For complete details, download the full datasheet.
| Parameter | Value |
|---|---|
| Screen Size | 5.5 inches |
| Resolution | 320(RGB) x 240 [QVGA] |
| Drive System | a-Si TFT Active Matrix |
| Luminance | 220 cd/m² (Typ.) |
| Contrast Ratio | 85:1 (Typ.) |
| Viewing Angle (L/R/U/D) | 45/45/30/15 (Typ., CR≥10) |
| Operating Temperature | -30°C to 85°C |
| Storage Temperature | -40°C to 95°C |
| Interface | Analog RGB, 30-pin Connector |
| Backlight | CCFL with Inverter |
### Comparative Analysis and Selection Advice
When evaluating displays for industrial control, the NEC NL3224AC35-01 stands out for its extreme temperature range. Compared to a standard industrial display like the KCG057QV1DB-G000, which typically operates between -20°C and 70°C, the NL3224AC35-01 offers an expanded operational window, particularly for low-temperature environments.
However, the choice depends on the specific application's priorities. The KCG057QV1DB-G000 features a higher luminance and a digital interface, making it better suited for applications requiring higher brightness and more modern connectivity. For systems where extreme temperature survival is the primary design constraint and an analog interface is acceptable, the NL3224AC35-01 is the superior engineering choice. Understanding these trade-offs is a key part of designing reliable displays for heavy machinery and other challenging environments.
### Industry Insight and Strategic Advantage
In an industry often focused on the latest high-resolution panels, the NEC NL3224AC35-01 represents a commitment to longevity and stability. Its design acknowledges a critical market need: the long-term support for legacy systems and the development of new equipment for harsh environments. By prioritizing durability and a wide operating range over cutting-edge resolution, this module provides a strategic advantage for manufacturers whose products have life cycles measured in decades, not years. This focus on reliability ensures that your equipment remains functional and serviceable, protecting your investment and reputation. For a comprehensive overview of display technologies, explore The Ultimate Guide to TFT-LCD. If you have specific requirements for your project, please contact our technical team to discuss our extensive portfolio of industrial LCD displays.
