Equivalent & Substitute Parts: Molex 1000141342

Part Overview

The Molex 1000141342 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 alternatives to maintain design continuity and ensure supply chain availability. The obsolete status requires engineers to evaluate functionally compatible substitutes that maintain electrical and mechanical compatibility with existing designs.

Substiute Parts

1000141342

MolexIn Stock: 8851000141342 Datasheet

Current PartRFQ

1000143342

MolexIn Stock: 10921000143342 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the Molex 1000141342 is based on the following critical parameters:

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

Base Product Number Alignment: Both components share the base product number 100014, indicating they belong to the same connector family and are designed for compatible applications.

Manufacturer Consistency: Molex manufactures both the obsolete part and the substitute, ensuring design philosophy and quality standards remain consistent.

RoHS Compliance: The main part is RoHS compliant. The substitute part carries ECCN EAR99 classification and HTSUS code 8538.90.8180, indicating regulatory compliance for commercial applications.

Moisture Sensitivity: The main part specifies MSL 1 (Unlimited). The substitute lists MSL as Not Applicable, reflecting differences in packaging and assembly methods between the obsolete and active designs.

The substitute part (1000143342) represents an active product line evolution within the same connector family, offering enhanced features including integrated heat sink and press-fit termination technology.

Parameter Comparison

Engineering Selection Recommendations

For Obsolete Part Replacement: The Molex 1000143342 serves as the active equivalent for the obsolete 1000141342. Both components maintain ZQSFP+ connector specification and share the same base product family (100014), ensuring electrical compatibility within designs originally specified for the 1000141342.

Compliance Considerations: The substitute part maintains RoHS compliance through EAR99 classification, suitable for commercial applications. The transition from MSL 1 to Not Applicable reflects manufacturing process improvements in the active product line.

Design Integration: The substitute part introduces enhanced features including integrated heat sink and EMI shielding. Designs requiring the original spring finger assembly configuration should verify mechanical fit within existing PCB layouts, as the substitute specifies through-hole, right-angle mounting with press-fit termination.

Supply Chain Continuity: With 1021 units of the substitute part in current inventory compared to 804 units of the obsolete part, the 1000143342 provides improved long-term availability for new designs and production continuity.

Frequently Asked Questions (FAQ)

Q: Can the Molex 1000143342 directly replace the 1000141342 in existing designs?

A: Both parts maintain ZQSFP+ connector specification and share base product number 100014. However, the substitute introduces press-fit through-hole, right-angle mounting with integrated heat sink, whereas the original part features a spring finger assembly. Mechanical compatibility requires verification of PCB layout and mounting requirements specific to your application.

Q: What is the significance of the base product number 100014?

A: The shared base product number indicates both components belong to the same connector family and are designed for compatible electrical interfaces. This alignment supports functional substitution within the ZQSFP+ connector category.

Q: Does the substitute part maintain RoHS compliance?

A: Yes. The Molex 1000143342 is RoHS compliant, classified under ECCN EAR99 with HTSUS code 8538.90.8180, suitable for commercial applications requiring regulatory compliance.

Q: Why does the substitute part list MSL as Not Applicable?

A: The change from MSL 1 (Unlimited) to Not Applicable reflects differences in packaging and assembly methods between the obsolete design and the active product line. The substitute part's press-fit termination and integrated heat sink represent manufacturing process improvements that eliminate traditional moisture sensitivity classifications.

Q: Are there inventory considerations for component selection?

A: Current inventory shows 804 units of the obsolete 1000141342 and 1021 units of the substitute 1000143342. For new designs and long-term production, the substitute part provides superior supply chain continuity due to its active product status.

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

A: The main part features a spring finger assembly with unspecified mounting configuration. The substitute part specifies through-hole, right-angle mounting with press-fit termination and includes integrated heat sink and EMI shielding features. PCB layout modifications may be required for mechanical compatibility.