QLMP-LB81-UVCZZ LED Equivalent & Substitute Parts

Part Overview

The QLMP-LB81-UVCZZ is a 4mm blue InGaN LED manufactured by Broadcom Limited, classified as an LED Indication discrete component. This part is currently listed as obsolete, which necessitates identification of active equivalent alternatives to maintain design continuity and ensure ongoing component availability for production and repair applications.

Substiute Parts

QLMP-LB81-UVCZZ

Broadcom LimitedIn Stock: 1229QLMP-LB81-UVCZZ Datasheet

Current PartRFQ

HLMP-LB71-TUBDD

Broadcom LimitedIn Stock: 986HLMP-LB71-TUBDD Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

The HLMP-LB71-TUBDD has been identified as a manufacturer-recommended substitute for the QLMP-LB81-UVCZZ. The substitution is valid based on the following alignment of critical parameters:

• Color and Wavelength: Both parts are blue LEDs with dominant wavelength at 470nm
• Application Category: Both are LED Indication discrete components
• Manufacturer: Both manufactured by Broadcom Limited
• Compliance: Both are REACH Unaffected and classified under ECCN EAR99
• Tariff Classification: Both share HTSUS code 8541.41.0000
• Mounting Technology: The HLMP-LB71-TUBDD is a through-hole radial component suitable for standard PCB applications

Parameter Comparison

Engineering Selection Recommendations

The HLMP-LB71-TUBDD is the active equivalent for the obsolete QLMP-LB81-UVCZZ. Selection of this substitute is supported by:

• Product Status: The HLMP-LB71-TUBDD maintains active production status, ensuring long-term component availability
• Regulatory Compliance: Both parts maintain identical REACH and ECCN classifications, with the substitute offering ROHS3 compliance
• Manufacturer Designation: This substitution is manufacturer-recommended by Broadcom Limited
• Functional Alignment: Both components serve LED indication applications with matching blue wavelength specifications

Frequently Asked Questions (FAQ)

Q: Why is the QLMP-LB81-UVCZZ being discontinued? A: The QLMP-LB81-UVCZZ is listed as obsolete. The HLMP-LB71-TUBDD is the active manufacturer-recommended replacement that maintains functional equivalence for LED indication applications.

Q: Are there any electrical parameter differences between the main part and substitute? A: The HLMP-LB71-TUBDD specifies a forward voltage of 3.1V at 20mA test current and a dominant wavelength of 470nm. The original part specifications for these parameters were not provided in the available documentation.

Q: What is the packaging difference? A: The HLMP-LB71-TUBDD is supplied in Tape & Box (TB) packaging as a through-hole radial component with a 4mm oval lens configuration. Original packaging specifications for the QLMP-LB81-UVCZZ were not documented.

Q: Does the substitute meet regulatory requirements? A: Yes. The HLMP-LB71-TUBDD is REACH Unaffected, classified as EAR99, and ROHS3 compliant, maintaining alignment with the regulatory status of the original part.

Q: Can the HLMP-LB71-TUBDD be used as a direct replacement in existing designs? A: The HLMP-LB71-TUBDD is a through-hole radial component. Design compatibility depends on PCB layout and mounting specifications of the original application. Verify mechanical fit and electrical parameters against your circuit requirements.