Molex 1061670600 Fiber Optic Connector Coupler - Equivalent & Substitute Parts

Part Overview

The Molex 1061670600 is a duplex SC-to-SC fiber optic connector coupler designed for panel mount, snap-in applications in singlemode fiber optic systems. This component functions as a receptacle-to-receptacle adapter, enabling connection between two SC fiber optic connectors. The part is currently listed as obsolete, making identification of suitable substitute components essential for ongoing system maintenance and new installations where equivalent functionality is required.

Substiute Parts

1061670600

MolexIn Stock: 9541061670600 Datasheet

Current PartRFQ

1061660600

MolexIn Stock: 8971061660600 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the Molex 1061670600 is determined by strict alignment with the following critical parameters:

• Connector Type & Configuration: SC Receptacle to SC Receptacle duplex coupler
• Fiber Mode: Singlemode operation
• Mounting Method: Panel mount with snap-in mechanism
• Housing Material: Polymer construction
• Protective Features: Dust cap and shutter functionality
• Compliance Standards: ROHS3 compliance and EAR99 classification
• Moisture Sensitivity: MSL 1 rating

The substitute part Molex 1061660600 meets all these critical parameters. While ferrule material differs (phosphor bronze in the original versus zirconia in the substitute), both materials are functionally equivalent for SC connector applications and do not affect interchangeability in standard singlemode fiber optic systems. The substitute includes an additional shielded feature, which provides enhanced performance without compromising compatibility.

Parameter Comparison

Engineering Selection Recommendations

The Molex 1061660600 is the direct substitute for the obsolete Molex 1061670600. Selection of the substitute is supported by the following engineering factors:

• Product Status: The substitute part maintains active production status, ensuring long-term availability and supply chain continuity compared to the obsolete original.
• Compliance Alignment: Both parts maintain ROHS3 compliance and identical EAR99 classification, meeting regulatory requirements without modification.
• Functional Equivalence: All critical parameters—connector type, fiber mode, mounting configuration, and protective features—are identical between the original and substitute.
• Material Compatibility: Zirconia ferrule material in the substitute provides equivalent or superior performance characteristics compared to phosphor bronze in standard singlemode SC applications.
• Enhanced Features: The substitute includes shielded construction, which provides additional electromagnetic interference protection without affecting mechanical or optical compatibility.

Frequently Asked Questions (FAQ)

Q: Can the Molex 1061660600 directly replace the Molex 1061670600 in existing installations?

A: Yes. Both parts are duplex SC-to-SC singlemode couplers with identical mounting, housing, and connector configurations. The substitute is mechanically and optically compatible with systems designed for the original part.

Q: What is the difference between phosphor bronze and zirconia ferrule materials?

A: Both materials are standard in SC fiber optic connectors. Zirconia offers superior hardness and wear resistance, making it suitable for high-cycle mating applications. For standard singlemode installations, both materials provide equivalent optical performance.

Q: Does the shielded feature in the substitute part affect compatibility?

A: No. The shielded construction in the Molex 1061660600 is an enhancement that provides additional electromagnetic interference protection. It does not alter the mechanical interface or optical characteristics and remains fully compatible with standard SC connector systems.

Q: Why is the original part listed as obsolete?

A: Product obsolescence typically reflects manufacturer discontinuation decisions based on market demand and product lifecycle management. The substitute part represents the current equivalent offering from Molex for this connector category.

Q: Are there any packaging differences between the original and substitute?

A: The original part number does not specify packaging detail, while the substitute is supplied in bulk packaging. This difference does not affect component functionality or interchangeability.

Q: What compliance certifications apply to both parts?

A: Both the original and substitute parts are ROHS3 compliant and classified under EAR99 for export control purposes. Both maintain MSL 1 (Unlimited) moisture sensitivity ratings.