Equivalent & Substitute Parts: Molex 1000141343

Part Overview

The Molex 1000141343 is a ZQSFP+ cage connector featuring a 1x1 spring finger assembly designed for position connector applications. This component is classified as obsolete, necessitating identification of active equivalent parts for ongoing procurement and system integration. The obsolete status requires engineers to transition to current production alternatives that maintain functional compatibility with existing designs.

Substiute Parts

1000141343

MolexIn Stock: 11431000141343 Datasheet

Current PartRFQ

1000143343

MolexIn Stock: 9541000143343 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the Molex 1000141343 is based on the following critical parameters:

Connector Type Compatibility: Both the main part and substitute maintain ZQSFP+ connector type classification, ensuring mechanical and electrical interface compatibility.

Base Product Number Alignment: The substitute part shares the base product number 100014, indicating it belongs to the same product family and design generation.

Functional Category: Both components are classified as pluggable connectors within the cage assembly category, maintaining functional equivalence for position connector applications.

Compliance Requirements: The substitute part carries active product status with EAR99 ECCN classification and HTSUS code 8538.90.8180, enabling continued procurement and deployment.

The substitute part (1000143343) represents the active production equivalent with enhanced features including integrated heat sink and right-angle mounting configuration.

Parameter Comparison

Engineering Selection Recommendations

For New Designs: The Molex 1000143343 is the designated active substitute and should be specified for all new product development. This part carries active product status, ensuring long-term availability and supply chain continuity. The integrated heat sink and EMI shielding provide enhanced thermal management and electromagnetic compatibility compared to the obsolete predecessor.

For Existing Inventory Management: The Molex 1000141343 remains available in stock (1054 units) and maintains RoHS compliance. Existing systems currently utilizing this component may continue operation with available inventory. However, transition planning to the 1000143343 should be initiated for future production runs.

Compliance Considerations: Both parts maintain RoHS compliance status. The substitute part carries EAR99 ECCN classification with HTSUS code 8538.90.8180, confirming regulatory clearance for international distribution.

Mechanical Integration: The substitute part features right-angle through-hole mounting with press-fit termination, differing from the original part's configuration. Design validation is required to confirm mechanical fit within existing PCB layouts and connector housings.

Frequently Asked Questions (FAQ)

Q: Can the Molex 1000143343 directly replace the 1000141343 in existing assemblies?

A: Both parts share ZQSFP+ connector type and base product number 100014, confirming functional compatibility. However, the substitute features right-angle mounting and press-fit termination, requiring mechanical validation against the original design's mounting configuration and termination method.

Q: What is the primary reason for substitution?

A: The Molex 1000141343 is classified as obsolete. The 1000143343 is the active production equivalent within the same product family, ensuring continued availability and supply chain support.

Q: Are there differences in environmental specifications between these parts?

A: The main part specifies Moisture Sensitivity Level 1 (Unlimited). The substitute part lists MSL as Not Applicable, indicating different handling requirements. Refer to detailed datasheets for specific storage and reflow conditions.

Q: What additional features does the substitute part provide?

A: The Molex 1000143343 includes integrated heat sink and EMI shielding features not specified in the original part. These enhancements improve thermal dissipation and electromagnetic interference mitigation in high-speed applications.

Q: Is packaging different between these parts?

A: The substitute part is supplied in Tray packaging. Original packaging specifications for the 1000141343 are not provided in the available documentation.

Q: Are both parts RoHS compliant?

A: Yes. The Molex 1000141343 is explicitly RoHS compliant. The 1000143343, as an active production part, maintains RoHS compliance status consistent with current manufacturing standards.