Amphenol ICC 66506-066 Rectangular Connector Header - Equivalent & Substitute Parts

Part Overview

The Amphenol ICC 66506-066 is a vertical rectangular connector header designed for through-hole mounting applications. This component features a 10-position, 2-row configuration with 0.100" (2.54mm) pitch spacing and shrouded 4-wall design. The part is classified as obsolete, making identification of functionally equivalent alternatives essential for ongoing design support and procurement planning. Substitute parts must maintain identical electrical and mechanical specifications to ensure direct compatibility in existing circuit board layouts and mating connector applications.

Substiute Parts

66506-066

Amphenol ICC (FCI)In Stock: 113666506-066 Datasheet

Current PartRFQ

66506-066LF

Amphenol ICC (FCI)In Stock: 349866506-066LF Datasheet

DirectRFQ

103309-1

TE Connectivity AMP ConnectorsIn Stock: 3523103309-1 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the 66506-066 is determined by strict equivalence across the following critical parameters: connector type (header), contact type (male pin), position count (10), row configuration (2 rows), mating pitch (0.100"), row spacing (0.100"), mounting method (through hole), shrouding design (4-wall), termination type (solder), fastening mechanism (push-pull), contact geometry (square), and flammability compliance (UL94 V-0).

The substitute parts identified maintain these core specifications. Variations in contact length, insulation height, contact material composition, contact finish specifications, and product status are documented but do not preclude functional substitution when electrical and mechanical interface requirements are met.

Parameter Comparison

Engineering Selection Recommendations

The 66506-066LF represents the primary substitute for the obsolete 66506-066. Both parts are manufactured by Amphenol ICC within the Quickie™ series and share identical electrical and mechanical specifications. The 66506-066LF is currently in active production status with higher inventory availability. The critical distinction is RoHS compliance: the 66506-066LF meets RoHS requirements while the original part does not. This substitution is direct and requires no design modifications.

The TE Connectivity 103309-1 (AMP-Latch series) provides an alternative rectangular connector header with equivalent core functionality. This part maintains the same 10-position, 2-row, 0.100" pitch configuration and through-hole solder termination. Dimensional variations exist in contact length (0.240" versus 0.230" mating length) and insulation height (0.388" versus 0.365"), which may require board layout verification in space-constrained applications. The 103309-1 offers active product status and RoHS non-compliance matching the original part specification. Contact material differs (brass versus phosphor bronze) and contact finish on the post includes tin-lead specification. Operating temperature range is specified for the 103309-1 (-65°C ~ 105°C) whereas the original part does not provide this parameter.

Selection between 66506-066LF and 103309-1 depends on RoHS compliance requirements and available board space for dimensional variations.

Frequently Asked Questions (FAQ)

Q: Can the 66506-066LF be used as a direct replacement for the 66506-066?

A: Yes. The 66506-066LF maintains identical electrical and mechanical specifications including connector type, position count, pitch spacing, mounting method, and termination type. The primary difference is active product status and RoHS compliance of the 66506-066LF. No design modifications are required.

Q: What are the dimensional differences between the 66506-066 and 103309-1?

A: Contact length at mating interface differs by 0.010" (0.26mm), with the 103309-1 measuring 0.240" compared to 0.230" for the 66506-066. Post contact length is 0.015" (0.38mm) longer on the 103309-1. Insulation height on the 103309-1 is 0.023" (0.59mm) greater. These variations may affect board layout in applications with tight vertical or horizontal spacing constraints.

Q: Are there RoHS compliance differences between the substitute parts?

A: Yes. The 66506-066LF is RoHS compliant, while both the 66506-066 and 103309-1 are RoHS non-compliant. If RoHS compliance is a design requirement, the 66506-066LF is the appropriate selection.

Q: What is the difference in contact material between these parts?

A: The 66506-066 and 66506-066LF use phosphor bronze contacts, while the 103309-1 uses brass contacts. Both materials are suitable for 0.100" pitch rectangular connector applications. Contact finish specifications (gold or gold-palladium) are equivalent across all three parts at the mating interface.

Q: How do packaging options differ?

A: The 66506-066 packaging is not specified. The 66506-066LF is supplied in tray packaging, and the 103309-1 is supplied in bulk packaging. Packaging selection may affect procurement quantities and handling procedures but does not impact electrical or mechanical performance.

Q: Is the 103309-1 suitable for applications requiring specific operating temperature ranges?

A: The 103309-1 specifies an operating temperature range of -65°C to 105°C. The 66506-066 and 66506-066LF do not provide operating temperature specifications in the available data. If operating temperature range is a critical design parameter, the 103309-1 provides documented thermal performance limits.