EL512.256-H3 FRA: A Rugged TFEL Display Engineered for Extreme Environments
EL512.256-H3 FRA | Rugged 512×256 TFEL Display
Introduction to the EL512.256-H3 FRA Display
The EL512.256-H3 FRA is a Thin Film Electroluminescent (TFEL) display engineered for absolute reliability and optical clarity in extreme operating conditions. Its solid-state design delivers unparalleled performance where conventional LCDs falter, making it a critical component for mission-critical systems. This display maintains exceptional readability across a vast temperature range, a characteristic vital for systems deployed in uncontrolled environments.
- Core Specifications: 512 x 256 Resolution | -40°C to +85°C Operating Range | >179° Viewing Angle
- Key Engineering Advantages: Inherently immune to vibration and shock, sub-millisecond response time eliminates motion blur.
Download the Official EL512.256-H3 FRA Datasheet (PDF)
A Technical Analysis of TFEL Technology
The core value of the EL512.256-H3 FRA lies in its TFEL technology. Unlike liquid crystal displays, this panel is entirely solid-state. It contains no liquid or moving parts, which is the basis for its exceptional durability. The datasheet specifies an operational shock tolerance of 100 G and a vibration resistance up to 1.0 G across a 5 to 500 Hz range. This intrinsic ruggedness ensures data remains legible and the display remains functional in applications with significant and sustained mechanical stress, such as in aerospace, rail, and heavy machinery.
Another key engineering differentiator is the display’s thermal performance. Think of the operating temperature range as an engine’s powerband; a wider band means more versatility. The EL512.256-H3 FRA operates flawlessly from -40°C to +85°C, a range where LCDs often suffer from slow response times or freezing. This broad operational window removes the need for auxiliary heating or cooling systems in many designs, simplifying thermal management and reducing system-level complexity and cost.
Optically, the display delivers clarity that is critical for accurate data interpretation. With a typical contrast ratio of 140:1 and a viewing angle exceeding 179 degrees, information is presented with sharp definition from nearly any perspective. Furthermore, its response time of less than 1 millisecond is a significant advantage. This speed means that rapidly changing data, such as waveforms or moving indicators, is displayed without the motion blur or ghosting common on passive-matrix LCDs, ensuring immediate and accurate readability.
Optimized Application Scenarios
- Avionics and Defense: Ideal for cockpit displays and ground control systems due to its documented 100 G shock resistance and wide operating temperature, ensuring functionality during critical missions.
- Industrial Automation: Well-suited for HMIs in harsh factory environments, as its performance is unaffected by the extreme temperatures and vibrations common in manufacturing and processing plants.
- Medical and Scientific Instruments: The high-contrast, blur-free imagery is perfect for critical diagnostic equipment where precise data visualization is paramount for accurate analysis.
- Transportation and Marine: Provides a reliable display solution for vehicle and vessel control systems that must endure constant vibration and function across a wide range of ambient temperatures and lighting conditions.
Its datasheet-verified resilience makes the EL512.256-H3 FRA a best-fit solution for systems where operational reliability in harsh environments is non-negotiable.
Key Specifications of the EL512.256-H3 FRA
| Parameter | Specification |
|---|---|
| Display Characteristics | |
| Resolution | 512 x 256 pixels |
| Technology | Thin Film Electroluminescent (TFEL) |
| Active Area | 195.8 x 97.9 mm |
| Luminance (Typical) | 70 cd/m² |
| Contrast Ratio (Typical) | 140:1 |
| Response Time | < 1 ms |
| Electrical Characteristics | |
| Logic Supply Voltage (Vlogic) | 5 VDC |
| Display Supply Voltage (Vdisplay) | 12 VDC |
| Interface | 4-bit LCD-type (M68-type timing) |
| Environmental and Mechanical Characteristics | |
| Operating Temperature | -40°C to +85°C |
| Storage Temperature | -50°C to +105°C |
| Operational Shock | 100 G, 6 ms half-sine wave |
| Operational Vibration | 1.0 G, 5 – 500 Hz |
| Dimensions | 233.0 x 132.0 x 19.0 mm |
Engineer’s FAQ
- What makes the EL512.256-H3 FRA suitable for high-vibration environments?
- Its all solid-state TFEL construction has no liquid or moving components, unlike an LCD. This design is inherently resistant to mechanical stress. The datasheet confirms its operational integrity under 1.0 G of vibration and a 100 G shock, making it a reliable choice for demanding industrial, military, and transportation applications.
- What are the power supply requirements for this display?
- The EL512.256-H3 FRA requires two DC inputs for operation. A regulated 5 VDC source is needed for the logic circuits, and a 12 VDC source is required for the high-voltage display driver electronics integrated into the unit.
- How does the response time of this TFEL display compare to an industrial LCD?
- The EL512.256-H3 FRA has a response time of less than 1 millisecond. This is significantly faster than typical industrial STN or TFT LCDs, which can range from 10 ms to over 100 ms. This speed eliminates motion blur, ensuring that fast-updating information is always crisp and clear.
- What should be considered when integrating this display into a system?
- Engineers should note the 4-bit LCD-type interface, which uses M68-type timing protocols. While this is a common interface, it is crucial to verify that the system’s host controller can generate the required timing signals (CS, A0, RD, WR). Proper thermal design should also be considered to ensure the module operates within its specified temperature limits for maximum lifespan.
Enabling Designs for Uncompromising Environments
For engineering teams tasked with developing highly reliable systems, the EL512.256-H3 FRA provides a robust display solution that directly overcomes the environmental and mechanical limitations of other technologies. Its performance, grounded in the verifiable data of its specifications, ensures consistent operational integrity and superior readability in the most challenging conditions.