Amphenol ICC 91615-321 Rectangular Connector - Equivalent & Substitute Parts

Part Overview

The Amphenol ICC 91615-321 is a 42-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 classified as obsolete, making identification of suitable substitutes necessary for ongoing system support and procurement planning.

Substiute Parts

91615-321

Amphenol ICC (FCI)In Stock: 100991615-321 Datasheet

Current PartRFQ

91615-321LF

Amphenol ICC (FCI)In Stock: 84391615-321LF Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the 91615-321 is determined by strict equivalence across the following critical parameters:

• Connector geometry: 42 positions, 2 rows, 0.100" pitch in both mating and row spacing
• Electrical interface: Female socket contacts with gold mating finish (30.0µin thickness)
• Mechanical interface: Surface mount termination with push-pull fastening and board lock
• Material compliance: UL94 V-0 flammability rating and thermoplastic glass-filled insulation
• Contact material: Phosphor bronze with tin post finish (78.7µin thickness)
• Mated stacking height: 10.81mm

The substitute part 91615-321LF maintains identical electrical and mechanical specifications while differing in product status and regulatory compliance classification.

Parameter Comparison

Engineering Selection Recommendations

The 91615-321LF serves as the direct functional equivalent to the obsolete 91615-321. Both parts share identical electrical and mechanical specifications across all critical parameters including connector geometry, contact materials, and flammability ratings.

The primary distinction between these parts is regulatory status. The 91615-321LF carries RoHS compliance and REACH affected designation, whereas the 91615-321 is RoHS non-compliant and REACH unaffected. For new designs or systems requiring regulatory compliance with current environmental standards, the 91615-321LF is the appropriate selection. For legacy system maintenance where the original part specification must be preserved, the 91615-321 remains available in current inventory.

Both parts are packaged and distributed by Amphenol ICC (FCI) within the Dubox™ series and maintain identical mating and post contact finishes with specified thickness tolerances.

Frequently Asked Questions (FAQ)

Q: Are the 91615-321 and 91615-321LF mechanically interchangeable?

A: Yes. Both parts maintain identical connector geometry, pitch spacing (0.100"), row configuration (2 rows), position count (42), and mated stacking height (10.81mm). They are mechanically interchangeable in board-to-board applications.

Q: What is the difference between these two part numbers?

A: The primary differences are product status and regulatory compliance. The 91615-321 is obsolete and RoHS non-compliant, while the 91615-321LF is active production and RoHS compliant. All electrical and mechanical specifications are identical.

Q: Can I use the 91615-321LF as a replacement for the 91615-321 in existing designs?

A: Yes, provided your system design does not explicitly require the RoHS non-compliant specification. The 91615-321LF maintains all electrical and mechanical parameters of the original part.

Q: What packaging is available for each part?

A: The 91615-321LF is supplied in tube packaging. Packaging specification for the 91615-321 is not provided in the technical data.

Q: Are there any contact finish differences between these parts?

A: No. Both parts feature identical gold mating contact finish (30.0µin thickness) and tin post finish (78.7µin thickness). Contact material composition (phosphor bronze) is identical.

Q: Which part should I specify for new procurement?

A: The 91615-321LF is the recommended selection for new procurement due to its active product status and RoHS compliance alignment with current regulatory requirements.