Amphenol ICC 91596-126LF Equivalent & Substitute Parts

Part Overview

The Amphenol ICC 91596-126LF is a 26-position rectangular connector receptacle with 0.079" (2.00mm) pitch, designed for surface mount applications in board-to-board or cable interconnect configurations. This connector features bottom entry design, gold-plated mating contacts, and operates across the -55°C to 125°C temperature range with UL94 V-0 flammability rating. The part is currently active in production with 864 units in stock. Equivalent substitute parts are necessary for supply chain flexibility, design optimization, or when specific performance characteristics align with alternative manufacturers' offerings.

Substiute Parts

91596-126LF

Amphenol ICC (FCI)In Stock: 96991596-126LF Datasheet

Current PartRFQ

CLT-113-02-F-D

Samtec Inc.In Stock: 749CLT-113-02-F-D Datasheet

MFR RecommendedRFQ

CLT-113-02-F-D-A

Samtec Inc.In Stock: 2065CLT-113-02-F-D-A Datasheet

MFR RecommendedRFQ

CLT-113-02-F-D-BE

Samtec Inc.In Stock: 1164CLT-113-02-F-D-BE Datasheet

MFR RecommendedRFQ

CLT-113-02-G-D

Samtec Inc.In Stock: 942CLT-113-02-G-D Datasheet

MFR RecommendedRFQ

CLT-113-02-G-D-BE

Samtec Inc.In Stock: 884CLT-113-02-G-D-BE Datasheet

MFR RecommendedRFQ

CLT-113-02-L-D

Samtec Inc.In Stock: 790CLT-113-02-L-D Datasheet

MFR RecommendedRFQ

CLT-113-02-L-D-A

Samtec Inc.In Stock: 1158CLT-113-02-L-D-A Datasheet

MFR RecommendedRFQ

CLT-113-02-L-D-BE

Samtec Inc.In Stock: 854CLT-113-02-L-D-BE Datasheet

MFR RecommendedRFQ

CLT-113-02-L-D-BE-A

Samtec Inc.In Stock: 1024CLT-113-02-L-D-BE-A Datasheet

MFR RecommendedRFQ

CLT-113-02-S-D-A

Samtec Inc.In Stock: 987CLT-113-02-S-D-A Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the 91596-126LF are qualified based on the following critical parameters that must match or exceed the original specification:

Mandatory Matching Parameters:

• Number of Positions: 26
• Pitch - Mating: 0.079" (2.00mm)
• Number of Rows: 2
• Row Spacing - Mating: 0.079" (2.00mm)
• Mounting Type: Surface Mount
• Termination: Solder
• Fastening Type: Push-Pull
• Contact Type: Female Socket
• Operating Temperature Range: -55°C ~ 125°C
• Material Flammability Rating: UL94 V-0
• Connector Style: Board to Board

Allowable Variations:

• Insulation Material: Plastic (original) to Liquid Crystal Polymer (LCP) - both acceptable for equivalent function
• Contact Material: Beryllium Copper (original) to Phosphor Bronze (substitutes) - both acceptable for equivalent electrical performance
• Contact Finish Thickness - Mating: Variations in gold plating thickness (30.0µin to 3.00µin to 10.0µin) remain within acceptable contact durability specifications
• Contact Finish - Post: Gold or Tin finishes acceptable
• Features: Board Guide feature optional
• Connector Entry Style: Bottom Entry variants available

All Samtec CLT-113 series parts listed meet these substitution criteria and maintain electrical and mechanical compatibility with the original 91596-126LF.

Parameter Comparison

Engineering Selection Recommendations

Primary Substitutes (Active Product Status):

CLT-113-02-F-D-A and CLT-113-02-L-D-BE-A are the preferred substitutes. Both parts carry active product status, feature board guide functionality, and maintain full ROHS3 compliance. CLT-113-02-L-D-BE-A specifically matches the bottom entry connector configuration of the original 91596-126LF while offering superior current rating (4.1A per contact versus 1A) and LCP insulation material for enhanced thermal and chemical resistance.

Secondary Substitutes (Active Status, Bottom Entry Configuration):

CLT-113-02-F-D-BE and CLT-113-02-L-D-BE provide bottom entry receptacle designs with active product status. Both deliver equivalent mechanical and electrical performance with ROHS3 compliance and MSL 1 rating. These parts are suitable for direct replacement in applications requiring bottom entry mating.

Alternative Substitutes (Active Status, Standard Configuration):

CLT-113-02-F-D and CLT-113-02-L-D-A offer standard (non-bottom-entry) receptacle configurations with active product status. CLT-113-02-L-D-A includes board guide features. These parts are appropriate for applications where bottom entry is not a design requirement.

Discontinued Parts (Not Recommended for New Designs):

CLT-113-02-G-D and CLT-113-02-L-D carry discontinued status at DiGi Electronics and should not be selected for new product designs. Existing inventory may be available through alternative distribution channels but long-term supply cannot be assured.

Compliance Considerations:

All active substitute parts maintain UL94 V-0 flammability rating, MSL 1 moisture sensitivity, and ROHS3 compliance. The original 91596-126LF carries RoHS Compliant status; all Samtec CLT-113 substitutes exceed this requirement with ROHS3 certification. REACH compliance varies: CLT-113-02-L-D-A is REACH Affected; all other active substitutes are REACH Unaffected.

Frequently Asked Questions (FAQ)

Q: Can CLT-113 series connectors directly replace the Amphenol ICC 91596-126LF?

A: Yes, all active CLT-113 series parts listed meet the critical substitution parameters: 26 positions, 0.079" (2.00mm) pitch, 2-row configuration, surface mount solder termination, push-pull fastening, gold-plated mating contacts, and -55°C to 125°C operating range. Mechanical and electrical compatibility is maintained across all active variants.

Q: What is the difference between bottom entry (BE) and standard CLT-113 receptacles?

A: Bottom entry (BE) variants feature connector entry from the bottom of the PCB, matching the original 91596-126LF bottom entry design. Standard variants allow entry from the side. Selection depends on PCB layout and mating connector orientation requirements. The 91596-126LF is a bottom entry connector; CLT-113-02-F-D-BE, CLT-113-02-L-D-BE, and CLT-113-02-L-D-BE-A provide equivalent bottom entry functionality.

Q: Why do CLT-113 substitutes show higher current ratings (4.1A per contact) than the original 91596-126LF (1A)?

A: Current rating differences reflect design and material variations between manufacturers. The CLT-113 series uses Phosphor Bronze contacts with LCP insulation, while the 91596-126LF uses Beryllium Copper contacts with plastic insulation. Higher current ratings in CLT-113 parts indicate enhanced contact performance and do not affect compatibility; the original 1A specification remains valid for applications designed to that limit.

Q: What is the significance of the board guide feature in CLT-113-02-F-D-A and CLT-113-02-L-D-BE-A?

A: The board guide feature provides mechanical alignment assistance during PCB assembly, improving placement accuracy and reducing assembly errors. This feature is optional and does not affect electrical or mechanical compatibility. Parts with board guide are suitable for applications requiring enhanced assembly precision.

Q: Are there differences in gold plating thickness among the substitute parts?

A: Yes. The original 91596-126LF specifies 30.0µin (0.76µm) mating contact gold finish. CLT-113-02-F-D, CLT-113-02-F-D-A, and CLT-113-02-F-D-BE specify 3.00µin (0.076µm); CLT-113-02-G-D, CLT-113-02-G-D-BE, CLT-113-02-L-D, CLT-113-02-L-D-A, CLT-113-02-L-D-BE, and CLT-113-02-L-D-BE-A specify 10.0µin (0.25µm); CLT-113-02-S-D-A matches the original at 30.0µin (0.76µm). All thicknesses remain within acceptable contact durability specifications for equivalent function.

Q: Which substitute part should be selected for new product designs?

A: CLT-113-02-L-D-BE-A is the recommended choice for new designs. It provides bottom entry configuration matching the original 91596-126LF, active product status, board guide feature for assembly optimization, ROHS3 compliance, and REACH Unaffected status. Inventory availability (915 units) supports production requirements.

Q: What is the difference between ROHS3 Compliant and RoHS Compliant?

A: ROHS3 represents the current RoHS Directive 2011/65/EU as amended by Directive (EU) 2015/863, which includes restrictions on phthalates in addition to the original six restricted substances. RoHS Compliant typically refers to the original RoHS Directive. ROHS3 Compliant parts meet more stringent requirements and are suitable for all applications requiring RoHS compliance.

Q: Are CLT-113 parts with discontinued status available for purchase?

A: CLT-113-02-G-D and CLT-113-02-L-D are discontinued at DiGi Electronics but may have remaining inventory (856 and 701 units respectively) available through alternative distribution channels. These parts should not be selected for new product designs due to supply uncertainty. Active alternatives are recommended.