Toshiba LTD121C35S | Robust 12.1” SVGA Industrial TFT-LCD for Demanding Environments
The Toshiba LTD121C35S is not just another display; it's an engineering component designed for unwavering performance in applications where failure is not an option. This 12.1-inch SVGA panel represents a legacy of industrial-grade reliability, delivering the visual clarity, operational robustness, and long-term availability required for critical systems. It is an ideal solution for legacy system upgrades and new designs demanding proven technology.
- Industrial-Grade Durability: Engineered with a wide operating temperature range and robust construction to withstand the rigors of factory floors, control rooms, and field instruments.
- Stable Visual Performance: Utilizes proven TFT-LCD technology to ensure consistent brightness, high contrast, and stable color reproduction over its entire operational life.
- Seamless Integration: Features a standard LVDS interface, simplifying the design-in process for a wide range of embedded systems and industrial controllers.
- Long-Term Availability: Designed with industrial and medical lifecycles in mind, providing a stable supply chain to mitigate the risk of costly redesigns due to component obsolescence.
Key Technical Specifications
The following parameters highlight the core performance characteristics of the Toshiba LTD121C35S, providing engineers with the essential data for system design and qualification.
| Parameter | Specification |
|---|---|
| Screen Size | 12.1 inches (Diagonal) |
| Resolution | 800(H) x 600(V) [SVGA] |
| Display Technology | a-Si TFT Active Matrix |
| Brightness | 400 cd/m² (Typical) |
| Contrast Ratio | 600:1 (Typical) |
| Viewing Angle | 140°(H) / 110°(V) (Typical) |
| Interface | Single Channel LVDS |
| Backlight System | Long-Life LED |
| Operating Temperature | -20°C to +70°C |
| Storage Temperature | -30°C to +80°C |
For complete electrical and mechanical specifications, you can download the official Toshiba LTD121C35S datasheet here.
Technical Deep Dive: The Engineering Inside
The reliability of the LTD121C35S is rooted in its specific technological choices. The amorphous silicon (a-Si) TFT backplane is a cornerstone of its industrial pedigree. Unlike consumer-focused technologies, a-Si offers exceptional stability and uniformity across extreme temperature shifts, preventing image distortion or flicker in harsh conditions. This inherent robustness ensures that the display provides a consistent human-machine interface (HMI) whether deployed in a refrigerated facility or a non-climate-controlled enclosure.
Furthermore, its long-life LED backlight system is a critical advantage over older CCFL technologies. It not only delivers a significant reduction in power consumption but also eliminates the need for a high-voltage inverter, simplifying system design and reducing potential points of failure. The extended MTBF of the LEDs directly contributes to a lower total cost of ownership, a crucial metric for any industrial equipment. To understand more about this efficiency, explore our deep dive on the energy efficiency of LED backlights.
Application Scenarios & Value Proposition
The Toshiba LTD121C35S excels in applications where readability and reliability are paramount:
- Industrial HMI Panels: Its wide operating temperature and resistance to shock and vibration make it a workhorse for machine control, process monitoring, and factory automation systems.
- Medical Diagnostic Equipment: The stable contrast and color fidelity are essential for displaying critical data in devices like patient monitors, ventilators, and analysis instruments where accuracy is non-negotiable.
- Test & Measurement Instruments: The standard SVGA resolution and LVDS interface allow for straightforward integration into specialized test benches, oscilloscopes, and spectrum analyzers, providing a clear and reliable data display.
- Transportation & Kiosks: Its robust build makes it suitable for ticketing machines and information displays in public transit systems, where uptime and performance in fluctuating environments are key.
Engineer's FAQ for the LTD121C35S
Is this panel suitable for direct sunlight applications?
The Toshiba LTD121C35S, with a typical brightness of 400 cd/m², is optimized for indoor and controlled-light industrial environments. While highly readable indoors, it is not classified as a "sunlight readable" display. For applications in direct, high-ambient sunlight, a panel with a brightness exceeding 1,000 cd/m² and potentially optical bonding would be necessary. For more details on this topic, see our engineer's guide to sunlight readable HMIs.
What are the primary advantages of this panel over a modern consumer-grade display?
The key differentiators are reliability and lifecycle management. Unlike consumer displays, the LTD121C35S is built with components rated for a -20°C to +70°C operating range. Its backlight is specified for tens of thousands of hours of continuous operation. Most importantly, it is offered with a long-term supply guarantee, ensuring that your product's manufacturing line won't be disrupted by the rapid product cycles common in the consumer market. For mission-critical designs, this stability is invaluable.
If you have further questions or need to confirm stock and pricing for your project, please contact our technical team for expert support.
