Introduction
Industrial human-machine interfaces (HMIs) require displays that perform reliably under extreme conditions—wide temperature swings, high humidity, and continuous operation. The SFOS049XZ-7111AN 0.49-inch OLED from Saef Technology Limited is engineered to meet these rigorous demands.
Key Features for Industrial Use
Wide Operating Temperature: -40°C to +85°C
High Brightness: 160 cd/m² (typ), up to 180 cd/m² with internal DC-DC
Long Lifetime: 50,000 hours at 60 cd/m²
Robust Interface: I2C with noise-resistant timing specs
Reliability & Testing
Saef subjects its OLED modules to a suite of environmental tests:
High/Low Temperature Operation & Storage
Thermal Shock (-40°C ↔ 85°C)
High Humidity (60°C, 90% RH)
These ensure the display remains functional in challenging settings such as automotive dashboards, factory controls, and outdoor instrumentation.
Optical Performance in Harsh Lighting
With a contrast ratio of 2000:1 and a wide viewing angle, the OLED remains readable under direct sunlight or dimly lit environments. The CIE coordinates (0.29, 0.31) define a consistent white point across units.
Design Considerations for Noise & EMI
The I2C interface includes defined rise/fall times (tR, tF ≤ 300 ns) and setup/hold times to prevent communication errors in electrically noisy environments. The RES# pin allows for quick recovery from system faults.
Integration Tips
Use the recommended external components (C1–C5, R1–R5) for stable charge pump operation.
Follow the power-up/down sequences to avoid latch-up or panel damage.
Implement periodic display refresh in software to prevent burn-in.
Why Saef?
Saef Technology Limited combines rigorous quality control with deep expertise in OLED technology, offering a display module that balances performance, durability, and ease of integration.
Conclusion
For industrial HMI designers seeking a compact, reliable, and high-visibility display, the SFOS049XZ-7111AN is a proven choice. Access the complete product specification (SFOS049XZ-7111AN Datasheet.pdf) here for detailed electrical and mechanical data.
담당자: Mrs. Christina
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팩스: 86-755-2370-9419
