LY521

LED Indication - Discrete Overview

The LY521 is a yellow T-1 3/4 through-hole LED manufactured by Seoul Semiconductor Inc. It features a dominant wavelength of 590nm and a forward voltage of 2V. The component is designed for discrete indication applications, utilizing a radial package configuration suitable for standard PCB mounting.

LED Indication - Discrete Feature Summary

• Yellow light emission with 590nm dominant wavelength
• T-1 3/4 through-hole package design
• Low forward voltage operation at 2V

LED Indication - Discrete Applications

• Discrete LED indication
• Panel status indicators
• Electronic device signaling

LED Indication - Discrete Procurement Notes

Verify the specific datasheet version when sourcing, as some sources describe this part as a blue oval lamp while others specify it as a yellow T-1 3/4 LED. Confirm the exact color and package type with the supplier to ensure compatibility with your circuit requirements before purchase.

LED Indication - Discrete Selection Notes

Select this component for applications requiring a compact through-hole indicator with low forward voltage. Ensure the driving circuit can accommodate the 2V forward voltage drop and that the 590nm yellow wavelength meets visibility requirements for the intended display environment.

LED Indication - Discrete Part Context

The LY521 belongs to Seoul Semiconductor's discrete LED lineup, specifically within the T-1 3/4 form factor category. This series provides reliable visual signaling solutions for various electronic assemblies, offering a balance between size constraints and brightness performance for general indication tasks.

LED Indication - Discrete Replacement Considerations

No public confirmed substitute part numbers are available in the provided documentation. Consult manufacturer cross-reference guides for potential alternatives if this specific model is unavailable.