Amphenol ICC 91618-320A Rectangular Connector - Equivalent & Substitute Parts

Part Overview

The Amphenol ICC 91618-320A is a 40-position receptacle connector in the Dubox™ series, designed for board-to-board applications with 0.100" (2.54mm) pitch spacing. This surface mount connector features gold-plated mating contacts, push-pull fastening, and board lock functionality. The part is currently listed as obsolete, making identification of functionally equivalent alternatives essential for ongoing design support and procurement.

Substiute Parts

91618-320A

Amphenol ICC (FCI)In Stock: 100091618-320A Datasheet

Current PartRFQ

91618-320ALF

Amphenol ICC (FCI)In Stock: 88491618-320ALF Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the 91618-320A is determined by strict equivalence across the following critical parameters:

• Connector geometry: 40-position receptacle with 2-row configuration
• Pitch specification: 0.100" (2.54mm) mating pitch and row spacing
• Mounting technology: Surface mount termination with solder connection
• Contact system: Female socket contacts with gold mating finish
• Mechanical interface: Push-pull fastening with board lock features
• Electrical properties: Phosphor bronze contact material with specified finish thicknesses
• Environmental compliance: UL94 V-0 flammability rating and thermoplastic glass-filled insulation

The 91618-320ALF meets all these criteria as a direct functional equivalent within the Dubox™ series.

Parameter Comparison

Engineering Selection Recommendations

The 91618-320ALF is the direct functional equivalent for the obsolete 91618-320A. Both parts share identical electrical and mechanical specifications within the Dubox™ series, ensuring pin-for-pin compatibility and identical PCB footprints.

The primary distinction between these parts is product lifecycle status and compliance posture. The 91618-320A is obsolete and carries RoHS non-compliant status. The 91618-320ALF is an active product with RoHS compliance certification, making it the appropriate selection for new designs and ongoing production requirements. The substitute part is supplied in Tape & Reel packaging, standard for automated assembly operations.

Both parts carry identical electrical ratings, contact materials, and environmental certifications (UL94 V-0). No functional degradation or performance compromise occurs with substitution.

Frequently Asked Questions (FAQ)

Q: Are the 91618-320A and 91618-320ALF mechanically interchangeable?

A: Yes. Both connectors share identical pitch spacing (0.100"), row configuration (2 rows), position count (40), and mated stacking height (10.81mm). PCB footprints are identical, and both use push-pull fastening with board lock features.

Q: What is the difference between bulk and Tape & Reel packaging?

A: The 91618-320A is supplied in bulk packaging, while the 91618-320ALF uses Tape & Reel (TR) format. Tape & Reel packaging is optimized for automated pick-and-place assembly and is standard for surface mount production. Bulk packaging is typically used for manual assembly or lower-volume applications.

Q: Does the RoHS compliance difference affect electrical performance?

A: No. RoHS compliance relates to material composition and hazardous substance restrictions, not electrical or mechanical performance. Both parts meet identical electrical specifications and contact finish requirements.

Q: Can the 91618-320ALF be used as a direct replacement in existing designs using the 91618-320A?

A: Yes. The 91618-320ALF is a direct substitute with no design modifications required. Electrical characteristics, mechanical dimensions, and contact specifications are identical.

Q: What is the significance of the "ALF" suffix in the part number?

A: The "ALF" suffix indicates the Tape & Reel packaging variant and RoHS compliance status of the 91618 base product. The core connector design and specifications remain unchanged from the base 91618-320A.