Amphenol ICC 66951-007 Rectangular Connector - Equivalent & Substitute Parts

Part Overview

The Amphenol ICC 66951-007 is a 7-position receptacle connector with 0.100" (2.54mm) pitch, designed for through-hole board-to-board applications. This connector features gold-plated mating contacts, tin-plated posts, and is rated for operating temperatures from -65°C to 125°C. The product is currently obsolete, making equivalent substitutes necessary for ongoing design support and procurement.

Substiute Parts

66951-007

Amphenol ICC (FCI)In Stock: 92566951-007 Datasheet

Current PartRFQ

66951-007LF

Amphenol ICC (FCI)In Stock: 178466951-007LF Datasheet

DirectRFQ

534237-5

TE Connectivity AMP ConnectorsIn Stock: 3175534237-5 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution for the 66951-007 is based on the following critical parameters that must remain consistent:

• Connector Configuration: 7-position receptacle with female socket contacts
• Pitch Specification: 0.100" (2.54mm) mating pitch
• Mounting Method: Through-hole solder termination
• Contact Finish: Gold-plated mating surface
• Operating Temperature: -65°C to 125°C range
• Electrical Rating: 1250V voltage rating
• Flammability: UL94 V-0 material classification

The identified substitutes maintain these core parameters while offering active product status and improved compliance certifications.

Parameter Comparison

Engineering Selection Recommendations

66951-007LF is the primary direct substitute for the obsolete 66951-007. Both parts are manufactured by Amphenol ICC within the same Dubox™ and BergCon® PV™ series. The 66951-007LF maintains identical electrical and mechanical specifications, including connector configuration, pitch, contact materials, and operating temperature range. The primary distinction is product status: 66951-007LF is active and carries RoHS compliance certification, addressing regulatory requirements for new designs.

534237-5 from TE Connectivity AMP Connectors is an alternative substitute that maintains core functional compatibility. This part shares the same 7-position, 0.100" pitch receptacle configuration with gold-plated mating contacts and through-hole solder termination. However, mechanical variations exist: the insulation height is 0.340" (8.64mm) versus 0.325" (8.25mm), and the contact post length is 0.115" (2.92mm) versus 0.142" (3.60mm). The contact material differs (phosphor bronze versus brass), and the post finish is tin-lead rather than tin. The 534237-5 provides a 2A current rating specification and ROHS3 compliance. These dimensional and material differences require PCB layout verification before implementation.

Frequently Asked Questions (FAQ)

Q: Can 66951-007LF be used as a direct replacement for 66951-007?

A: Yes. The 66951-007LF maintains identical electrical and mechanical specifications as the obsolete 66951-007, including connector type, position count, pitch, contact finish, and operating temperature range. The primary advantage is active product status and RoHS compliance.

Q: What are the key differences between 66951-007LF and 534237-5?

A: Both parts are 7-position, 0.100" pitch receptacles with gold-plated mating contacts. Differences include: insulation height (0.325" versus 0.340"), contact post length (0.142" versus 0.115"), contact material (brass versus phosphor bronze), post finish (tin versus tin-lead), and current rating specification (not specified versus 2A). These variations require PCB layout compatibility assessment.

Q: Are there packaging differences between the substitutes?

A: The 66951-007 original part has unspecified packaging. Both 66951-007LF and 534237-5 are supplied in tube packaging, which is standard for this connector category.

Q: Which substitute should be selected for new designs?

A: For designs requiring minimal layout changes and maximum compatibility with the original 66951-007 specification, select 66951-007LF. For designs where the TE Connectivity AMPMODU Mod IV series is already established, 534237-5 is suitable provided PCB dimensions accommodate the mechanical variations.

Q: Do the substitutes meet the same compliance requirements?

A: The 66951-007LF achieves RoHS compliance, addressing modern regulatory requirements. The 534237-5 meets ROHS3 compliance. The original 66951-007 is RoHS non-compliant. Compliance requirements for your application determine which substitute is appropriate.