TE Connectivity AMP Connectors 104346-8 Equivalent & Substitute Parts

Part Overview

The TE Connectivity AMP Connectors 104346-8 is a rectangular connector header designed for through-hole mounting applications. This connector features a 10-position, single-row configuration with 0.100" (2.54mm) pitch spacing and is part of the AMPMODU Mod II series. The part is classified as obsolete, necessitating identification of active equivalent alternatives for new designs and ongoing production requirements. The connector supports board-to-board or cable interconnection with a current rating of 3A and operating temperature range of -65°C to 105°C.

Substiute Parts

104346-8

TE Connectivity AMP ConnectorsIn Stock: 719104346-8 Datasheet

Current PartRFQ

6-146278-0

TE Connectivity AMP ConnectorsIn Stock: 10596-146278-0 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the TE Connectivity 104346-8 is determined by strict equivalence across the following critical parameters:

Mandatory Matching Parameters:

• Connector Type: Header, Breakaway
• Contact Type: Male Pin
• Number of Positions: 10
• Pitch - Mating: 0.100" (2.54mm)
• Mounting Type: Through Hole
• Current Rating: 3A
• Operating Temperature Range: -65°C ~ 105°C
• Material Flammability Rating: UL94 V-0

Allowable Variations:

• Termination method (Kinked Pin, Solder vs. Solder only)
• Contact Finish composition (Tin-Lead vs. Tin)
• Contact Material (Phosphor Bronze vs. Copper Alloy)
• Insulation Material (Thermoplastic vs. Liquid Crystal Polymer)
• Product Status (Obsolete vs. Active)
• RoHS Compliance Status
• Voltage Rating specification (30VAC vs. not specified)

The substitute part 6-146278-0 maintains full electrical and mechanical compatibility while offering active product status and improved compliance characteristics.

Parameter Comparison

Engineering Selection Recommendations

The TE Connectivity 6-146278-0 is the direct active equivalent for the obsolete 104346-8 rectangular connector header. Selection of the substitute part is supported by the following engineering factors:

Product Status: The 104346-8 is classified as obsolete, while the 6-146278-0 maintains active product status. This ensures continued availability, technical support, and manufacturing consistency for new designs and production continuity.

Regulatory Compliance: The 6-146278-0 is RoHS Compliant, whereas the 104346-8 is RoHS non-compliant. This compliance upgrade aligns with current environmental and regulatory requirements for electronic component procurement.

Electrical and Mechanical Equivalence: Both parts maintain identical specifications across all critical functional parameters, including 10-position configuration, 0.100" (2.54mm) pitch, 3A current rating, and -65°C to 105°C operating temperature range. Both achieve UL94 V-0 flammability certification.

Material Composition: The substitute part utilizes Copper Alloy contact material and Liquid Crystal Polymer (LCP) insulation in place of Phosphor Bronze and Thermoplastic, respectively. These material upgrades provide enhanced electrical performance and thermal stability while maintaining mechanical and electrical compatibility.

Contact Finish: The transition from Tin-Lead to Tin contact finish in the substitute part reflects current manufacturing standards and environmental compliance practices, with no degradation to electrical performance or reliability.

Frequently Asked Questions (FAQ)

Q: Can the 6-146278-0 be used as a direct replacement for the 104346-8 in existing designs?

A: Yes. The 6-146278-0 maintains identical electrical and mechanical specifications across all critical parameters, including connector type, position count, pitch spacing, current rating, and operating temperature range. The parts are mechanically and electrically interchangeable.

Q: What is the significance of the product status change from Obsolete to Active?

A: Active product status ensures ongoing manufacturing availability, consistent supply chain access, and continued technical support from the manufacturer. Obsolete parts face potential discontinuation and supply constraints. The 6-146278-0 provides long-term availability for production and design continuity.

Q: How does the RoHS Compliance upgrade affect component selection?

A: RoHS Compliance is a regulatory requirement in many markets and procurement specifications. The 6-146278-0 meets these requirements, while the 104346-8 does not. Selection of the compliant substitute part eliminates regulatory risk and aligns with current environmental standards.

Q: Are there differences in termination methods between the two parts?

A: The 104346-8 features Kinked Pin, Solder termination, while the 6-146278-0 uses Solder termination only. Both termination methods are compatible with standard through-hole PCB assembly processes. The solder-only termination in the substitute part is standard for current manufacturing practices.

Q: Does the change from Thermoplastic to Liquid Crystal Polymer (LCP) insulation affect performance?

A: No. Liquid Crystal Polymer insulation provides equivalent or superior electrical and thermal performance compared to Thermoplastic. LCP offers improved dimensional stability and thermal resistance, making it a compatible and functionally superior material choice.

Q: What is the impact of the contact material change from Phosphor Bronze to Copper Alloy?

A: Copper Alloy contact material maintains electrical conductivity and contact reliability equivalent to Phosphor Bronze. The material change reflects current manufacturing standards and provides consistent performance across the specified operating temperature range and current rating.

Q: Is the voltage rating difference between 30VAC and unspecified a concern?

A: No. The 104346-8 specifies 30VAC rating, while the 6-146278-0 does not specify a voltage rating in the provided data. Both parts are rated for identical current (3A) and operating temperature range. The absence of a specified voltage rating in the substitute part does not indicate reduced capability.

Q: Are there packaging differences between the two parts?

A: The 104346-8 packaging is not specified in the provided data, while the 6-146278-0 is supplied in Bulk packaging. Packaging format does not affect electrical or mechanical compatibility; it relates only to order quantity and delivery configuration.

Q: Can the 6-146278-0 be used in applications requiring RoHS compliance?

A: Yes. The 6-146278-0 is RoHS Compliant and is suitable for all applications with RoHS compliance requirements. The 104346-8 is RoHS non-compliant and cannot be used in such applications.

Q: Are both parts from the same manufacturer and series?

A: Yes. Both the 104346-8 and 6-146278-0 are manufactured by TE Connectivity AMP Connectors and are part of the AMPMODU Mod II series, ensuring design consistency and compatibility within the product family.