Equivalent & Substitute Parts: Molex 1000141252 ZQSFP+ Cage Connector

Part Overview

The Molex 1000141252 is a ZQSFP+ cage connector designed for press-fit through-hole, right-angle mounting applications. This component functions as a receptacle for ZQSFP+ transceiver modules in high-speed data communication systems. The part is classified as obsolete, necessitating identification of active equivalent components to maintain design continuity and ensure supply chain availability for new production and field service applications.

Substiute Parts

1000141252

MolexIn Stock: 7871000141252 Datasheet

Current PartRFQ

1000143252

MolexIn Stock: 10661000143252 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the Molex 1000141252 with the Molex 1000143252 is based on functional and mechanical equivalence across the following critical parameters:

Matching Parameters:

• Connector Type: ZQSFP+ (identical electrical interface)
• Connector Style: Cage (identical mechanical form factor)
• Mounting Type: Through Hole, Right Angle (identical PCB integration method)
• Termination Method: Press-Fit (identical assembly process compatibility)
• Features: EMI Shielded (identical electromagnetic protection)
• Series: 100014 (same product family)
• Manufacturer: Molex (same source)

The substitute part 1000143252 represents the active production equivalent within the same series, designed to provide identical electrical and mechanical performance while maintaining current manufacturing and supply chain status.

Parameter Comparison

Engineering Selection Recommendations

The Molex 1000143252 is the direct active equivalent for the obsolete Molex 1000141252. Both components share identical electrical specifications, mechanical form factors, and mounting characteristics within the 100014 series. The 1000143252 maintains current production status with confirmed inventory availability (1025 pcs), ensuring supply continuity for new designs and replacement applications.

Both parts carry EAR99 export classification and comply with identical HTSUS commodity codes, with the substitute part reflecting current tariff classification (8538.90.8180). The transition from the obsolete part to the active equivalent involves no design modifications to PCB layouts, connector footprints, or electrical interfaces.

Frequently Asked Questions (FAQ)

Q: Can the Molex 1000143252 be used as a direct replacement for the 1000141252 on existing PCBs?

A: Yes. Both components share identical through-hole, right-angle mounting specifications and press-fit termination requirements. No PCB redesign is necessary.

Q: Are the electrical performance characteristics identical between these two parts?

A: Yes. Both components are ZQSFP+ cage connectors with EMI shielding, designed for the same electrical interface and signal integrity requirements.

Q: What is the primary reason for substitution?

A: The 1000141252 is classified as obsolete. The 1000143252 is the active production equivalent within the same 100014 series, ensuring continued availability and manufacturing support.

Q: Do both parts have the same moisture sensitivity requirements?

A: The 1000141252 specifies MSL 1 (Unlimited). The 1000143252 specifies MSL as Not Applicable. Both designations indicate no moisture sensitivity constraints for storage and handling.

Q: Are there any compliance or export differences between these parts?

A: Both parts carry EAR99 export classification. The HTSUS codes differ due to tariff classification updates, but both remain in the same regulatory framework.

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

A: The obsolete 1000141252 has 730 pcs in stock. The active 1000143252 has 1025 pcs in stock, providing greater supply assurance for ongoing production requirements.