C503B-AAS-CY0Z0342

Overview

The C503B-AAS-CY0Z0342 is an amber single-color LED from the Cree LED C503B series, designed for through-hole mounting in a 5 mm (T-1 3/4) round package with a domed top lens. It emits at a dominant wavelength of 591 nm and features a narrow 15-degree viewing angle. The component operates with a typical forward voltage of 2.1 V at a test current of 20 mA, delivering a luminous intensity range of 5860 to 23500 mcd. It is RoHS compliant and utilizes advanced optical-grade epoxy for high temperature and moisture resistance.

Feature Summary

• Advanced optical-grade epoxy encapsulation provides superior resistance to high temperatures and high moisture environments.
• Encapsulation resin contains UV inhibitors to minimize degradation effects from long-term direct sunlight exposure.
• Narrow 15-degree beam angle concentrates light output for enhanced readability in outdoor applications.

Applications

• Electronic Signs & Signals (ESS)
• Motorway Signs
• Variable-Message Sign (VMS)
• Advertising Signs
• Petrol Signs

Procurement Notes

Verify the specific suffix codes against the official datasheet to confirm exact binning parameters, including luminous intensity ranges and dominant wavelength tolerances. Ensure the selected variant matches the required viewing angle and forward voltage specifications for the target circuit design. Cross-reference the manufacturer's latest product change notifications to confirm material consistency and compliance status before finalizing procurement orders.

Selection Notes

Select this component when high-intensity amber signaling is required for outdoor visibility. The 15-degree viewing angle makes it suitable for applications needing focused light projection rather than wide dispersion. Consider the thermal management requirements associated with the 130mW maximum power dissipation rating during continuous operation in enclosed signage housings.

Part Context

This part belongs to the C503B family of 5-mm round LEDs, which includes red and amber variants with different beam angles. The 'AAS' designation indicates the amber color and 15-degree viewing angle configuration within the series. This family is engineered specifically for robust performance in harsh outdoor environments where signal clarity and longevity are critical operational requirements.

Replacement Considerations

C503B-ACS-CY0Z0342-030

FAQ

What is the primary advantage of the optical-grade epoxy used in this LED?

The optical-grade epoxy offers superior high-temperature and high-moisture resistance, ensuring stable performance in outdoor sign and signal applications.

How does the encapsulation protect against environmental degradation?

The encapsulation resin contains UV inhibitors that minimize the effects of long-term exposure to direct sunlight, resulting in stable light output over the life of the LED.