Content last revised on November 14, 2025
Hitachi SX14Q001: A Robust 5.7" QVGA Display for Industry
Technical Overview for Engineering Evaluation
For systems requiring dependable visual output in established industrial and medical applications, the Hitachi SX14Q001 offers a robust 5.7-inch CSTN display. It delivers proven performance for long-lifecycle equipment where operational continuity is a primary design consideration. With key specifications of 320x240 Resolution | -10°C to +60°C Operating Temp. | 25,000hr CCFL Backlight, this module provides a stable and predictable HMI component. Its principal advantages are its established mechanical footprint for straightforward integration and an anti-glare surface for clear readability. For engineers evaluating replacements for older equipment, the SX14Q001's standard parallel interface and physical dimensions are designed to minimize redesign efforts, facilitating efficient maintenance and repair operations.
Datasheet-Verified Performance Metrics
The technical specifications for the SX14Q001 are derived directly from the official manufacturer's datasheet. This data provides the foundation for system integration and performance evaluation. For complete details, it is recommended to reference the official PDF documentation.
| Mechanical & Optical Characteristics | |
|---|---|
| Display Technology | CSTN (Color Super-Twisted Nematic) LCD |
| Screen Size (Diagonal) | 5.7 inch (14 cm) |
| Resolution | 320 x 240 pixels (QVGA) |
| Active Area | 115.18 (W) x 86.38 (H) mm |
| Pixel Pitch | 0.36 (W) x 0.36 (H) mm |
| Typical Contrast Ratio | 25:1 |
| Surface Treatment | Anti-glare |
| Electrical & Environmental Ratings | |
| Backlight System | 1x CCFL (Cold Cathode Fluorescent Lamp) |
| Typical Backlight Lifetime | 25,000 hours |
| Data Interface | 4-bit Parallel RGB |
| Operating Temperature Range | -10°C to +60°C |
| Storage Temperature Range | -20°C to +70°C |
| Module Dimensions | 155.0 (W) x 104.0 (H) x 12.0 max (D) mm |
A Factual Comparison for System Integration
When evaluating display modules, a direct comparison of key specifications is essential for making an informed engineering decision. The purpose of this section is to present datasheet-level facts to support your analysis, not to recommend one component over another. Each application has unique constraints regarding electrical interfaces, mechanical enclosures, and power budgets.
For instance, the Hitachi SX14Q001 utilizes a CCFL backlight, a mature technology with a well-understood performance curve and a typical lifetime of 25,000 hours. For designs where an LED backlight is a specified requirement, the technical specifications of the KCG057QV1DB-G000 may provide a relevant data set for comparison, as it is also a 5.7-inch QVGA module but with a different illumination technology. Examining parameters such as power consumption, operating temperature range, and physical depth across different models enables engineers to align component selection with system-level objectives.
Ensuring Longevity in Industrial Systems
The selection of a display for industrial equipment often prioritizes total cost of ownership over initial unit price. What is the SX14Q001's primary design benefit? Its construction ensures operational continuity for legacy industrial systems. The value of the Hitachi SX14Q001 lies in its role as a component that supports the extended operational life of significant capital investments. In sectors like manufacturing automation, medical diagnostics, and test and measurement, equipment is often designed to function for well over a decade. The failure of a single HMI can render an entire machine inoperable.
This display's adherence to a standard 5.7" QVGA form factor and its use of a widely adopted parallel data interface make it a critical component for Maintenance, Repair, and Operations (MRO). It allows technicians and engineers to replace failed or faded displays in older systems without undertaking a costly and complex redesign of the entire HMI subsystem. This focus on backward compatibility and functional replacement is a strategic advantage, directly contributing to reduced downtime and a lower total cost of ownership, a key metric when comparing industrial versus consumer-grade displays.
Deployment Environments: Where the SX14Q001 Excels
The design characteristics of the Hitachi SX14Q001 make it particularly suitable for specific, controlled environments where reliability and legibility are key. Its strengths are aligned with the demands of legacy system support and new designs that call for a straightforward, no-frills visual interface.
- Industrial Control Panels: In CNC machines, PLCs, and factory automation terminals, the SX14Q001 provides a clear, functional interface for machine operators. The anti-glare screen is critical for reducing reflections from overhead factory lighting.
- Medical Monitoring Equipment: For patient monitors or diagnostic devices that are not subject to extreme temperatures, this display offers a stable, long-life solution for displaying vital data and waveforms.
- Test and Measurement Instruments: Benchtop oscilloscopes, spectrum analyzers, and other test gear benefit from its compact size and standard resolution for presenting technical information to engineers and technicians.
Based on its 25,000-hour CCFL lifespan and -10°C minimum operating temperature, this display is best suited for long-term MRO in stable indoor industrial environments.
An Engineer's Look at the Display's Construction
A closer look at the key design parameters of the Hitachi SX14Q001 reveals how its construction supports its intended applications.
Interpreting the Contrast Ratio
The specified typical Contrast Ratio of 25:1 is a critical parameter for legibility. Think of contrast as the distinctness of black text on a white background. A 25:1 ratio is analogous to reading a newspaper in a well-lit room—the information is clear and unambiguous. For displaying numerical data, status indicators, and simple graphics in a controlled industrial setting, this level of contrast is functional and prevents operator misinterpretation.
CCFL Backlight System
The module incorporates a single Cold Cathode Fluorescent Lamp. While modern displays often use LEDs, CCFL technology is a highly mature and stable light source with predictable aging characteristics. Its 25,000-hour typical lifetime provides a clear metric for scheduling preventative maintenance in systems where uptime is meticulously planned. What is the SX14Q001's operating temperature? It operates reliably from -10 to +60 degrees Celsius, a range suitable for most indoor industrial settings.
Real-World Implementation Focus
Integrating the SX14Q001 into a system design is a straightforward process due to its adherence to established industry standards. The mechanical drawings in the datasheet provide precise locations for mounting points, ensuring a secure fit within an enclosure. The electrical interface, a 4-bit parallel connection, is a common standard for this class of display, well-documented in a variety of microcontroller and logic families. This simplifies both hardware and firmware development. For engineers working with a range of display types, understanding the fundamentals of different technologies, as detailed in resources like The Ultimate Guide to TFT-LCD, can provide valuable context for integrating specialized modules like this CSTN panel.
Empowering Your Design and Maintenance Decisions
The Hitachi SX14Q001 Dot Matrix LCD Module provides a fact-based, reliable component choice for specific engineering challenges. Its value is centered on providing a durable, legible, and easily integrated display for long-lifecycle industrial and medical equipment. To further assess if this component's documented performance aligns with your system requirements, please contact our technical support team for access to relevant documentation and to discuss your application's specific needs.
