Content last revised on December 11, 2025
NL6448AC30-06: A Robust 10.4-inch VGA TFT-LCD for Industrial HMI Systems
The NEC NL6448AC30-06 is an industrial-grade TFT-LCD engineered for exceptional reliability and visual clarity in demanding operational environments. Featuring a classic 10.4-inch diagonal with a 640x480 VGA resolution and a robust 350 cd/m² brightness, this display delivers proven performance. Its key benefits include a wide -10 to 70°C operating temperature range and high-contrast, clear image quality. It directly addresses the critical need for a durable, easily integrated display for existing industrial control systems. For legacy HMI systems requiring a field-proven VGA display with a wide operational temperature range, the NL6448AC30-06 is a benchmark for reliability.
Application Scenarios & Value
Ensuring Operational Continuity in Legacy Industrial Automation and Control Systems
The NL6448AC30-06 is engineered as a long-life solution for critical Human-Machine Interface (HMI) applications. A primary engineering challenge in industrial maintenance is sourcing reliable replacements for aging displays in equipment like CNC machines, process controllers, and medical diagnostic tools. This module's standard 10.4-inch form factor and native 640x480 VGA resolution make it an ideal candidate for drop-in replacement, minimizing the need for costly and time-consuming system redesigns. By matching the electrical and mechanical specifications of older systems, it allows engineers to extend the service life of valuable capital equipment, directly enhancing total cost of ownership (TCO).
Its robust design ensures consistent operation on the factory floor, where temperature fluctuations are common. The integration of a standard LVDS interface further simplifies the upgrade process, offering superior noise immunity compared to older analog interfaces. While the NL6448AC30-06 is optimized for VGA systems, for applications requiring a larger screen and higher SVGA resolution, the related NL8060BC31-28E offers a 12.1-inch alternative.
Key Parameter Overview
A Specification Breakdown Focused on Environmental Resilience and Visual Performance
The technical specifications of the NL6448AC30-06 are tailored for industrial environments where performance cannot be compromised. The parameters below highlight its suitability for applications demanding both durability and clear visual output.
| Parameter | Value |
| Manufacturer | NEC |
| Screen Size | 10.4 inches |
| Display Technology | a-Si TFT-LCD, Normally White |
| Resolution | 640(RGB)×480, VGA |
| Brightness | 350 cd/m² (Typ.) |
| Contrast Ratio | 300:1 (Typ.) |
| Interface Type | 20 pins LVDS (1 ch, 6-bit) |
| Backlight | 1 pc CCFL |
| Operating Temperature | -10 ~ 70 °C |
| Storage Temperature | -20 ~ 80 °C |
FAQ
Engineering Questions on Integration and Long-Term Reliability
What makes the NL6448AC30-06 suitable for replacing older industrial displays?
Its adherence to the legacy 640x480 VGA standard in a common 10.4-inch size, combined with a modern LVDS interface, allows for straightforward electrical and mechanical integration into existing systems, minimizing downtime and engineering effort.
How does the -10°C to +70°C operating temperature range impact system design and reliability?
This wide range eliminates the need for auxiliary heating or cooling components in many control cabinets, simplifying thermal management. What is the benefit of its wide operating temperature? It ensures consistent performance in uncontrolled industrial environments, from cold start-ups to high-heat operating conditions, preventing display failure and ensuring data legibility.
Is the 350 cd/m² brightness sufficient for typical industrial environments?
Yes, a brightness of 350 nits provides clear, readable content under the typical indoor and varied ambient lighting conditions found in factory floors, control rooms, and labs. Paired with its 300:1 contrast ratio, it delivers sharp and discernible graphics and text for critical monitoring tasks.
What are the advantages of the LVDS interface on this module?
The LVDS Interface (Low-Voltage Differential Signaling) offers significant benefits in industrial settings. It requires fewer conductors, generates lower electromagnetic interference (EMI), and allows for longer cable runs compared to parallel interfaces, resulting in a more robust and simplified system design. Explore our resources for a deeper dive into TFT-LCD technology.
By focusing on backwards compatibility and environmental ruggedness, the NEC NL6448AC30-06 provides a strategic solution for maintaining and enhancing the operational lifespan of critical industrial assets, ensuring that proven systems continue to deliver value.