Amphenol ICC 89891-344LF Rectangular Connector - Equivalent & Substitute Parts

Part Overview

The Amphenol ICC 89891-344LF is an 88-position rectangular receptacle connector with 0.100" (2.54mm) pitch, designed for board-to-board applications. This connector features bottom or top entry configuration, through-hole solder termination, and gold-plated mating contacts. The product is currently obsolete, making identification of suitable substitute components essential for ongoing system support and new design implementations.

Substiute Parts

89891-344LF

Amphenol ICC (FCI)In Stock: 87289891-344LF Datasheet

Current PartRFQ

71991-344LF

Amphenol ICC (FCI)In Stock: 75771991-344LF Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

The 89891-344LF has been identified with one manufacturer-recommended substitute: 71991-344LF. Substitution eligibility is determined by the following critical parameters that must remain constant:

• Number of positions: 88
• Pitch - Mating: 0.100" (2.54mm)
• Number of rows: 2
• Row spacing - Mating: 0.100" (2.54mm)
• Connector type: Receptacle, Bottom or Top Entry
• Contact type: Female Socket
• Mounting type: Through Hole
• Termination: Solder
• Fastening type: Push-Pull
• Contact finish - Mating: Gold
• Insulation material: Thermoplastic, Glass Filled
• Material flammability rating: UL94 V-0
• Series: Dubox™

The substitute part maintains all critical electrical and mechanical parameters required for direct functional replacement in board-to-board applications.

Parameter Comparison

Engineering Selection Recommendations

The 71991-344LF is the manufacturer-recommended substitute for the obsolete 89891-344LF. Both connectors are manufactured by Amphenol ICC within the Dubox™ series and maintain identical electrical and mechanical specifications for mating interface compatibility.

The 71991-344LF offers the advantage of active product status, ensuring ongoing availability and supply chain continuity. The substitute part carries RoHS Compliant and REACH Unaffected certifications, meeting current regulatory requirements for new designs and production environments.

Minor dimensional variations exist in insulation height (0.335" versus 0.275") and mated stacking heights (9.54mm versus 11.04mm). These differences do not affect functional compatibility but must be evaluated within the context of specific board layout and mechanical envelope constraints.

Frequently Asked Questions (FAQ)

Q: Can the 71991-344LF directly replace the 89891-344LF in existing designs?

A: Yes. Both connectors maintain identical pitch (0.100"), position count (88), row configuration (2 rows), contact finish (gold mating surface), and termination method (solder). The connectors are functionally interchangeable for board-to-board applications.

Q: What are the dimensional differences between these parts?

A: The primary dimensional differences are insulation height (89891-344LF: 0.335" versus 71991-344LF: 0.275") and mated stacking height (89891-344LF: 9.54mm versus 71991-344LF: 11.04mm). These variations must be verified against specific PCB layout and mechanical assembly requirements.

Q: Does the 71991-344LF meet current compliance standards?

A: Yes. The 71991-344LF is RoHS Compliant and REACH Unaffected, meeting current regulatory requirements. Both parts maintain UL94 V-0 flammability rating and identical MSL classification (1 - Unlimited).

Q: What is the packaging difference?

A: The 89891-344LF packaging specification is not provided. The 71991-344LF is supplied in Tube packaging.

Q: Are there any electrical parameter differences?

A: No. Both connectors maintain identical contact material (Phosphor Bronze), contact finish specifications (Gold mating: 30.0µin; Tin post: 78.7µin), and contact geometry (Square shape).

Q: Why is the 89891-344LF obsolete?

A: The 89891-344LF is listed as obsolete. The 71991-344LF represents the current active product offering within the Dubox™ series for this connector configuration.