Equivalent & Substitute Parts: Molex 1000141443

Part Overview

The Molex 1000141443 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 to maintain design continuity and ensure ongoing component availability for production and field service applications.

Substiute Parts

1000141443

MolexIn Stock: 10181000141443 Datasheet

Current PartRFQ

1000143443

MolexIn Stock: 11891000143443 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the obsolete Molex 1000141443 is based on the following critical parameters:

Connector Family Alignment: Both the main part and substitute share the ZQSFP+ connector type and the common base product number 100014, establishing functional compatibility within the Molex ZQSFP+ cage product line.

Compliance and Certification: The substitute part maintains RoHS compliance and carries an active product status, ensuring regulatory alignment and long-term supply chain viability.

Functional Category: Both components operate within the pluggable connectors category, preserving the intended application context.

The substitute part (1000143443) represents an active evolution of the obsolete design, incorporating enhanced features such as integrated heat sink and EMI shielding while maintaining the core ZQSFP+ connector architecture.

Parameter Comparison

Engineering Selection Recommendations

The Molex 1000143443 serves as the active substitute for the obsolete 1000141443 based on the following engineering criteria:

Product Status Transition: The substitute part carries active product status with confirmed inventory availability (1118 pieces), whereas the main part is obsolete. This transition ensures continued access to compatible ZQSFP+ cage technology.

Regulatory Compliance: Both parts maintain RoHS compliance, satisfying environmental and regulatory requirements for electronic component procurement.

Connector Architecture: Both components operate within the ZQSFP+ connector family and share the base product number 100014, confirming functional equivalence within the Molex connector ecosystem.

Enhanced Design Features: The substitute incorporates integrated heat sink and EMI shielding capabilities, representing a design evolution that addresses thermal management and electromagnetic interference mitigation in ZQSFP+ applications.

Frequently Asked Questions (FAQ)

Q: Can the Molex 1000143443 directly replace the 1000141443 in existing designs?

A: Both components are ZQSFP+ cage connectors within the same base product family (100014). The substitute features enhanced thermal and EMI characteristics. Design verification is required to confirm mechanical and electrical compatibility with specific board layouts and connector mating requirements.

Q: What is the primary difference between these two connector designs?

A: The main part (1000141443) features a spring finger assembly configuration. The substitute (1000143443) incorporates a cage design with integrated heat sink, press-fit termination, and EMI shielding, representing an enhanced design iteration within the ZQSFP+ product line.

Q: Are both parts RoHS compliant?

A: Yes, both the obsolete 1000141443 and the active substitute 1000143443 are RoHS compliant, satisfying environmental regulatory requirements.

Q: What mounting configuration does the substitute part support?

A: The Molex 1000143443 is configured for through-hole mounting with right-angle orientation and utilizes press-fit termination technology.

Q: Why is the original part classified as obsolete?

A: The 1000141443 has reached end-of-life status within Molex's product portfolio. The 1000143443 represents the active successor within the ZQSFP+ cage connector family, offering enhanced functionality and ongoing manufacturing support.

Q: What inventory status should be considered for procurement decisions?

A: The substitute part (1000143443) maintains active inventory of 1118 pieces, ensuring supply chain continuity. The original part inventory of 975 pieces reflects obsolete status with no ongoing production.