LR521

$0.11

Description：LED RED 5MM ROUND T/H
Series：-
Mfr：Seoul Semiconductor Inc.
Package：Bulk,Tape & Box (TB)

SKU:1c5300be0c5e Category: LED Indication - Discrete Brand: Seoul Semiconductor Inc.

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Product introduction

LR521 is listed in the LED Indication - Discrete range at ChipApex. The manufacturer field lists Seoul Semiconductor Inc.. Its product description is LED RED 5MM ROUND T/H. Review the specifications below when checking this part for your BOM.

LED Indication - Discrete specifications for LR521

Description：LED RED 5MM ROUND T/H
Series：-
Mfr：Seoul Semiconductor Inc.
Package：Bulk,Tape & Box (TB)
Color：Red
Configuration：Standard
Lens Color：-
Lens Transparency：-
Millicandela Rating：7500mcd
Lens Style：Round with Domed Top
Lens Size：5.00mm Dia
Voltage - Forward (Vf) (Typ)：2V
Current - Test：20mA
Viewing Angle：22°
Mounting Type：Through Hole
Wavelength - Dominant：625nm
Wavelength - Peak：-
Features：-
Package / Case：Radial
Supplier Device Package：5mm
Size / Dimension：-
Height (Max)：8.90mm
Grade：-
Qualification：-

LED Indication - Discrete datasheet and documents for LR521

LR521

LED Indication - Discrete Overview

The LR521 is a single-color lamp LED manufactured by Seoul Semiconductor. It is available in multiple color variants including infrared, cyan, and red. The component utilizes a T-1 3/4 (5 mm) round package with radial mounting configuration. Electrical parameters vary by specific color bin; for example, the yellow variant features a nominal luminous intensity of 7500 mcd at a maximum forward current of 30 mA. Operating temperature range spans from -40°C to 100°C.

LED Indication - Discrete Feature Summary

Available in distinct spectral outputs including infrared, cyan, and red configurations.

LED Indication - Discrete Applications

Indicator lighting applications

LED Indication - Discrete Procurement Notes

Verify the specific suffix or color code against the official Seoul Semiconductor datasheet to ensure correct spectral output. Confirm end-of-life status and availability through authorized distributors. Request RoHS compliance documentation and detailed electrical characteristic curves for the specific color variant prior to finalizing procurement orders.

LED Indication - Discrete Selection Notes

Select the appropriate color variant based on application visibility requirements. Ensure the radial lead spacing matches the target PCB footprint. Verify that the operating temperature range meets environmental constraints. Consider luminous intensity specifications relative to ambient light conditions.

LED Indication - Discrete Part Context

The LR521 belongs to Seoul Semiconductor's standard lamp LED portfolio. It serves as a general-purpose indicator component within the company's optical semiconductor product line. The series offers various color options to suit different visual signaling needs.