Molex 1111127421 SFP+ Ganged Cage Connector Equivalent & Substitute Parts

Part Overview

The Molex 1111127421 is a Position SFP+ Cage connector with ganged (1 x 4) configuration and integrated heat sink. This component functions as a pluggable connector assembly within the 111112 series product line. The part is classified as obsolete, necessitating identification of active equivalent alternatives to maintain design continuity and ensure ongoing component availability for production and field service applications.

Substiute Parts

1111127421

MolexIn Stock: 7931111127421 Datasheet

Current PartRFQ

1111129421

MolexIn Stock: 8091111129421 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the Molex 1111127421 is determined by alignment across the following critical parameters:

Primary Substitution Criteria:

• Manufacturer: Molex (maintained for design compatibility and supply chain consistency)
• Series: 111112 (ensures mechanical and electrical compatibility within the product family)
• Category: Pluggable Connectors (functional classification)
• Base Product Number: 111112 (confirms platform compatibility)
• RoHS Compliance: ROHS3 Compliant (regulatory requirement maintenance)
• Moisture Sensitivity Level: Not Applicable (environmental specification consistency)

The substitute part must belong to the same 111112 series and maintain Molex manufacturer designation to ensure form, fit, and functional compatibility with existing designs and assemblies.

Parameter Comparison

Engineering Selection Recommendations

The Molex 1111129421 serves as the manufacturer-recommended substitute for the obsolete Molex 1111127421. Both components share identical series designation (111112), manufacturer origin, and RoHS3 compliance status. The substitute part maintains active product status, ensuring continued availability and manufacturing support.

Selection of the 1111129421 is appropriate for new designs and replacement applications where the 1111127421 is no longer procurable. The shared series platform and base product number confirm mechanical and electrical compatibility within the 111112 connector family.

Frequently Asked Questions (FAQ)

Q: Why is the Molex 1111127421 being replaced? A: The 1111127421 has reached obsolete status. The 1111129421 is the active equivalent within the same 111112 series, providing continued component availability and manufacturer support.

Q: Are the 1111127421 and 1111129421 mechanically compatible? A: Both components belong to the Molex 111112 series and share identical base product designation, confirming mechanical compatibility within the product family.

Q: Do both parts meet the same regulatory requirements? A: Yes. Both the 1111127421 and 1111129421 are ROHS3 compliant and share identical Moisture Sensitivity Level classification (Not Applicable).

Q: Can the 1111129421 be used as a direct replacement in existing assemblies? A: The 1111129421 is the manufacturer-recommended substitute within the 111112 series platform. Compatibility is confirmed through shared series designation and base product number.

Q: What is the current inventory status of the substitute part? A: The Molex 1111129421 has 736 pieces of new original stock available.