C503B-ACS-CW0Y0251

Overview

The C503B-ACS-CW0Y0251 is a discontinued amber round LED from Cree LED, designed for outdoor sign and signal applications. It features a 5mm T-1 3/4 radial through-hole package with a clear lens. The component emits at a typical dominant wavelength of 591nm and offers a luminous intensity range of 3000 to 8200 mcd. It provides a 30-degree viewing angle and utilizes advanced optical-grade epoxy encapsulation for high temperature and moisture resistance.

Feature Summary

• Advanced optical-grade epoxy encapsulation ensures superior high-temperature and high-moisture resistance performance.
• Encapsulation resin contains UV inhibitors to minimize long-term sunlight exposure effects and maintain stable light output.
• Radial through-hole construction supports reliable mounting in electronic signs and signals.

Applications

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

Procurement Notes

This specific part number is marked as Not Recommended for New Designs (NRND) by the manufacturer. Availability is limited to existing stock or surplus channels rather than standard production runs. Engineers should verify current inventory status carefully before finalizing designs. Due to the end-of-life status, sourcing may involve longer lead times or higher costs compared to active components. Transition planning to alternative parts is strongly advised.

Selection Notes

Select this component only for maintenance or replacement purposes where original equipment matching is critical. For new designs, consider active alternatives within the C503B family that offer updated availability. Verify that the 30-degree viewing angle and 591nm wavelength align with visibility requirements. Ensure the 5mm through-hole form factor fits the PCB layout constraints. Confirm that the environmental sealing meets the specific outdoor deployment conditions.

Part Context

The C503B series represents Cree LED's line of 5mm round LEDs optimized for readability in outdoor environments. This specific model belongs to the ACS variant group, characterized by its 30-degree viewing angle and amber color output. The series is engineered for durability in harsh conditions, utilizing specialized materials to withstand UV radiation and humidity. It serves as a foundational indicator component for traffic and advertising signage systems.

Replacement Considerations

C503B-ACS-CY0Z0251-030