TE Connectivity 103149-3 Equivalent & Substitute Parts

Part Overview

The TE Connectivity 103149-3 is a rectangular connector header from the AMPMODU Mod II series, designed for through-hole, right-angle board-to-board or cable applications. This 6-position connector operates at 3A current rating with a 0.100" (2.54mm) pitch configuration. The part is currently classified as obsolete, making identification of active equivalent components essential for ongoing production and maintenance applications.

Substiute Parts

103149-3

TE Connectivity AMP ConnectorsIn Stock: 717103149-3 Datasheet

Current PartRFQ

5-146308-3

TE Connectivity AMP ConnectorsIn Stock: 39055-146308-3 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the 103149-3 is determined by strict alignment of the following critical parameters:

• Connector Type & Configuration: Header, Breakaway format with identical 6-position, 2-row layout
• Pitch Specifications: Mating pitch of 0.100" (2.54mm) and row spacing of 0.100" (2.54mm)
• Mounting & Termination: Through-hole, right-angle mounting with solder termination
• Electrical Performance: 3A current rating and -65°C ~ 105°C operating temperature range
• Contact Specifications: Male pin contacts with square shape and copper alloy material
• Mechanical Dimensions: Contact length (mating and post), insulation height, and overall form factor

The substitute part 5-146308-3 meets all these critical parameters while offering active product status and improved compliance certifications.

Parameter Comparison

Engineering Selection Recommendations

The 5-146308-3 is the direct active equivalent for the obsolete 103149-3. Both connectors share identical electrical and mechanical specifications across all critical parameters, ensuring functional interchangeability in existing circuit designs.

The primary distinction between these parts is product lifecycle status and regulatory compliance. The 103149-3 is obsolete and RoHS non-compliant, while the 5-146308-3 maintains active production status and achieves ROHS3 compliance. Additionally, the 5-146308-3 features glass-filled thermoplastic insulation material compared to standard thermoplastic in the original part, providing enhanced mechanical durability.

The contact finish on the post differs slightly: the 103149-3 uses tin-lead while the 5-146308-3 uses tin. Both maintain identical finish thickness specifications and are compatible with standard solder reflow processes.

For new designs or production continuity, the 5-146308-3 is the appropriate selection. For legacy system maintenance where the original 103149-3 is required, this substitute provides equivalent performance with improved compliance and availability.

Frequently Asked Questions (FAQ)

Q: Are the 103149-3 and 5-146308-3 mechanically interchangeable?

A: Yes. Both connectors share identical mounting type (through-hole, right-angle), pitch (0.100"), position count (6 positions, 2 rows), and contact dimensions. They are mechanically interchangeable in PCB designs.

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

A: The 103149-3 uses standard thermoplastic insulation, while the 5-146308-3 uses glass-filled thermoplastic. Glass-filled material provides improved mechanical strength and thermal stability. Both materials meet UL94 V-0 flammability requirements and operate across the same temperature range (-65°C ~ 105°C).

Q: Does the tin-lead to tin contact finish change affect soldering?

A: No. Both finishes are compatible with standard solder reflow processes. The contact finish thickness remains identical at 100.0µin (2.54µm) on the post. The change from tin-lead to tin reflects modern RoHS compliance requirements and does not impact electrical performance or solderability.

Q: Why is the 103149-3 listed as obsolete?

A: The 103149-3 has been discontinued by TE Connectivity. The 5-146308-3 is the active production equivalent and is recommended for all new applications and ongoing procurement.

Q: What is the RoHS compliance difference?

A: The 103149-3 is RoHS non-compliant, while the 5-146308-3 is ROHS3 compliant. ROHS3 compliance is required for products sold into most regulated markets. For applications subject to RoHS regulations, the 5-146308-3 is the required selection.

Q: Are there packaging differences between these parts?

A: The 103149-3 packaging is unspecified in available documentation. The 5-146308-3 is supplied in tray packaging. Confirm packaging requirements with your procurement specifications.

Q: What is the current rating for both connectors?

A: Both the 103149-3 and 5-146308-3 are rated for 3A continuous current. This rating applies to each individual contact and is consistent with the 0.100" (2.54mm) pitch specification.