ALMZ-LL37-WXK02 Equivalent & Substitute Parts

Part Overview

The ALMZ-LL37-WXK02 is an LED amber oval SMD component manufactured by Broadcom Limited, classified as LED Indication - Discrete. This part is currently obsolete, with 1,044 units available in new original stock. Due to its obsolete status, identifying functionally equivalent substitute components is essential for ongoing design support, production continuity, and system maintenance.

Substiute Parts

ALMZ-LL37-WXK02

Broadcom LimitedIn Stock: 1112ALMZ-LL37-WXK02 Datasheet

Current PartRFQ

ALMD-LL37-XZ002

Broadcom LimitedIn Stock: 792ALMD-LL37-XZ002 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

The ALMD-LL37-XZ002 is identified as a manufacturer-recommended substitute for the ALMZ-LL37-WXK02. Substitution eligibility is determined by the following criteria:

• Manufacturer Alignment: Both components are manufactured by Broadcom Limited, ensuring design consistency and quality standards.
• Functional Category: Both are LED Indication - Discrete components with amber color specification.
• Base Product Series: The ALMD-LL37-XZ002 shares the same base product family (ALMD-LL37 vs. ALMZ-LG37), indicating compatible electrical and mechanical characteristics within the amber LED product line.
• Regulatory Compliance: Both components maintain REACH Unaffected status and EAR99 ECCN classification, ensuring equivalent compliance posture.
• Mounting Technology: Both utilize surface mount technology (SMD), supporting identical PCB assembly processes.

Parameter Comparison

Engineering Selection Recommendations

Primary Substitute: ALMD-LL37-XZ002

The ALMD-LL37-XZ002 is the manufacturer-recommended substitute for the obsolete ALMZ-LL37-WXK02. Selection of this substitute is supported by:

• Active Product Status: The ALMD-LL37-XZ002 maintains active production status, ensuring long-term availability and supply chain continuity.
• Regulatory Compliance: Both components maintain identical REACH Unaffected and EAR99 classifications, with the substitute offering enhanced RoHS3 compliance.
• Manufacturer Continuity: Broadcom Limited manufactures both components, maintaining design integrity and quality assurance standards.
• Surface Mount Technology: Both components utilize SMD technology, supporting identical assembly processes and PCB integration.
• Inventory Availability: The substitute part maintains adequate stock levels (726 units) for production requirements.

Frequently Asked Questions (FAQ)

Q: Why is the ALMZ-LL37-WXK02 being phased out?

A: The ALMZ-LL37-WXK02 is classified as obsolete. The manufacturer recommends transitioning to the ALMD-LL37-XZ002, which is an active product with ongoing production support.

Q: Are the ALMZ-LL37-WXK02 and ALMD-LL37-XZ002 pin-compatible?

A: Both components are surface mount devices (SMD) with 4-SMD, Gull Wing package configuration. PCB layout compatibility requires verification against specific design schematics and footprint specifications.

Q: What are the key electrical differences between these parts?

A: The ALMD-LL37-XZ002 provides specified electrical parameters: 2.1V forward voltage, 20mA test current, 590nm dominant wavelength, and 2280mcd millicandela rating. The ALMZ-LL37-WXK02 does not have published electrical specifications in this reference.

Q: Does the substitute part meet the same compliance requirements?

A: Yes. Both components maintain REACH Unaffected status and EAR99 ECCN classification. The ALMD-LL37-XZ002 additionally provides RoHS3 compliance certification.

Q: What is the difference in Moisture Sensitivity Level (MSL)?

A: The ALMZ-LL37-WXK02 has MSL 1 (Unlimited), while the ALMD-LL37-XZ002 has MSL 2A (4 Weeks). This indicates different moisture exposure handling requirements during storage and assembly.

Q: Can I use remaining stock of the ALMZ-LL37-WXK02 alongside the ALMD-LL37-XZ002?

A: Both components are manufactured by Broadcom Limited and share the same functional category. Mixed inventory use requires validation against specific circuit design requirements and performance specifications.