QLSP05YD_B

Overview

The QLSP05YD_B is a discrete yellow LED from Quelighting Corp, emitting at 591nm. It utilizes a 1411 (3528 Metric) surface-mount package with dimensions of 3.50mm length by 2.80mm width and a maximum height of 2.00mm. The component features a clear lens with a round flat top style and a 2.40mm diameter. Typical forward voltage is 2V, with a millicandela rating of 1800mcd. It complies with RoHS3 standards and has an MSL rating of 2A.

Feature Summary

• Yellow light emission at 591nm wavelength
• Clear lens with round flat top styling
• Standard 1411 surface-mount form factor

Applications

• General electronic status indication
• Panel indicator lighting
• Discrete signal illumination

Procurement Notes

Verify the specific ordering suffix to ensure compatibility with required packaging formats such as tape and reel or cut tape. Confirm that the 1411 package dimensions align with the target PCB footprint design. Check moisture sensitivity level handling requirements during assembly to prevent damage. Ensure the selected variant meets all necessary regulatory compliance standards for the intended market.

Selection Notes

Select this component when a standard yellow indicator is required in a compact SMD layout. The 1411 package offers a balance between visibility and board space efficiency. Consider the 2V forward voltage drop for power supply calculations. Verify that the 1800mcd brightness level satisfies visibility requirements for the specific application environment and viewing angles.

Part Context

This part belongs to the discrete LED category within Quelighting Corp's portfolio. It serves as a visual signaling element for various electronic devices. The 1411 package is widely used in consumer electronics and industrial equipment for status monitoring. It represents a standard solution for low-power indication tasks requiring reliable performance.

Replacement Considerations

No public confirmed substitute part numbers are available in the provided documentation.