TE Connectivity 103185-1 Equivalent & Substitute Parts

Part Overview

The TE Connectivity 103185-1 is a rectangular connector header from the AMPMODU Mod II series, designed for through-hole board-to-board or cable applications with a single position configuration. This component features a male pin contact type with gold-plated mating surfaces and tin-lead post finish, rated for 3A current at operating temperatures between -65°C and 105°C.

The 103185-1 is classified as obsolete. Locating equivalent substitute parts is necessary to maintain design continuity, ensure component availability, and support ongoing production or repair requirements for systems utilizing this connector type.

Substiute Parts

103185-1

TE Connectivity AMP ConnectorsIn Stock: 1003103185-1 Datasheet

Current PartRFQ

5-146280-1

TE Connectivity AMP ConnectorsIn Stock: 66975-146280-1 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the 103185-1 is determined by strict alignment with the following critical parameters:

• Connector series and family compatibility (AMPMODU Mod II)
• Single position, single row configuration
• Male pin contact type with push-pull fastening
• Through-hole solder termination
• Gold-plated mating contact surface
• 3A current rating capability
• Operating temperature range of -65°C to 105°C
• UL94 V-0 flammability rating
• Board-to-board or cable connection style
• Unshrouded header design

The substitute part 5-146280-1 meets all these criteria and is classified as an active product, providing direct functional equivalence to the obsolete 103185-1.

Parameter Comparison

Engineering Selection Recommendations

The 5-146280-1 serves as the direct substitute for the obsolete 103185-1. Both components share identical mechanical and electrical specifications across all critical parameters, including contact geometry, current rating, temperature range, and fastening mechanism.

The primary distinction between these parts is product status and regulatory compliance. The 103185-1 is obsolete and RoHS non-compliant, while the 5-146280-1 is an active product with RoHS compliance. The insulation material differs (thermoplastic versus liquid crystal polymer), and the post contact finish is tin rather than tin-lead; however, these differences do not affect functional compatibility within the specified electrical and thermal operating envelope.

For new designs or ongoing production requiring this connector type, the 5-146280-1 is the appropriate selection. For legacy system maintenance where the original 103185-1 is no longer available, the 5-146280-1 provides equivalent performance and mechanical fit.

Frequently Asked Questions (FAQ)

Q: Are the 103185-1 and 5-146280-1 mechanically interchangeable?

A: Yes. Both connectors share identical contact dimensions, pitch, insulation height, and overall form factor. They are designed for the same board-to-board or cable connection applications within the AMPMODU Mod II series.

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

A: The 103185-1 uses thermoplastic insulation, while the 5-146280-1 uses liquid crystal polymer (LCP). Both materials meet UL94 V-0 flammability requirements and operate across the same temperature range. LCP offers improved dimensional stability and chemical resistance.

Q: Does the change from tin-lead to tin post finish affect performance?

A: No. Both finishes provide equivalent electrical conductivity and solder joint reliability. The tin finish on the 5-146280-1 is applied at the same thickness (100.0µin) as the tin-lead finish on the 103185-1.

Q: Why is RoHS compliance important for this substitution?

A: RoHS compliance ensures the component meets environmental and regulatory standards for lead-free manufacturing. The 5-146280-1's RoHS compliance makes it suitable for applications subject to RoHS directives, whereas the obsolete 103185-1 does not meet these requirements.

Q: Can the 5-146280-1 be used in existing designs originally specified for the 103185-1?

A: Yes. The 5-146280-1 is functionally and mechanically equivalent. No design modifications are required for direct substitution in applications using the 103185-1.

Q: What is the current availability of these parts?

A: The 103185-1 is obsolete with limited inventory. The 5-146280-1 is an active product with significantly higher stock availability, making it the practical choice for procurement.