TSW-128-14-F-D Equivalent & Substitute Parts

Part Overview

The TSW-128-14-F-D is a classic PCB header strip manufactured by Samtec Inc., designed for through-hole board-to-board or cable connections. This unshrouded, two-row connector features 56 positions at 0.100" (2.54mm) pitch with gold-plated mating contacts and tin-plated posts. The part maintains Active product status with 1017 units currently in stock.

Substitute parts become necessary when the TSW-128-14-F-D reaches end-of-life, when inventory constraints occur, or when design requirements necessitate alternative contact configurations or materials. The substitute identified in this reference—the TE Connectivity 4-103322-0—has transitioned to Obsolete status, requiring careful evaluation before selection.

Substiute Parts

TSW-128-14-F-D

Samtec Inc.In Stock: 1060TSW-128-14-F-D Datasheet

Current PartRFQ

4-103322-0

TE Connectivity AMP ConnectorsIn Stock: 9194-103322-0 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the TSW-128-14-F-D is determined by the following critical parameters:

Primary Matching Criteria:

• Pitch - Mating: 0.100" (2.54mm)
• Connector Type: Header with Male Pin contacts
• Mounting Type: Through Hole
• Termination: Solder
• Row Spacing - Mating: 0.100" (2.54mm)
• Contact Shape: Square

Secondary Compatibility Factors:

• Number of Positions and Rows (must accommodate circuit requirements)
• Contact Length specifications (mating and post lengths)
• Insulation Height
• Operating Temperature Range
• Material Flammability Rating (UL94 V-0)

The TE Connectivity 4-103322-0 shares the fundamental pitch, connector type, mounting method, and termination approach. However, it differs in position count (80 vs. 56), insulation material composition, contact finish specifications, and product status classification.

Parameter Comparison

Engineering Selection Recommendations

TSW-128-14-F-D (Samtec Inc.) - Primary Selection

The TSW-128-14-F-D maintains Active product status with confirmed inventory availability (1017 units in stock). This part is ROHS3 compliant and operates across the temperature range of -55°C to 125°C. The gold-plated mating contacts provide superior corrosion resistance and contact reliability. The PBT insulation material with UL94 V-0 flammability rating meets stringent safety requirements. For new designs and applications requiring long-term component availability, this part is the recommended selection.

4-103322-0 (TE Connectivity AMP Connectors) - Substitute Consideration

The 4-103322-0 has transitioned to Obsolete status, which restricts its suitability for new production designs. The 80-position configuration exceeds the 56-position requirement of the original part, necessitating circuit redesign or acceptance of unused positions. The tin-lead contact finish does not comply with current RoHS3 standards. The operating temperature upper limit of 105°C is 20°C lower than the Samtec part, restricting use in high-temperature applications. The longer post length (0.125" vs. 0.110") and reduced insulation height (0.090" vs. 0.100") may create mechanical clearance conflicts in existing PCB layouts.

Substitution Feasibility:

Direct substitution of the 4-103322-0 for the TSW-128-14-F-D is not recommended for new designs due to obsolete status and RoHS compliance gaps. Existing designs currently using the TSW-128-14-F-D should maintain this part number to ensure continued compliance and performance consistency.

Frequently Asked Questions (FAQ)

Q: Can the TE Connectivity 4-103322-0 directly replace the Samtec TSW-128-14-F-D in existing assemblies?

A: Direct replacement is not recommended. The 4-103322-0 has 80 positions compared to the TSW-128-14-F-D's 56 positions, requiring circuit redesign. Additionally, the TE part's obsolete status and non-RoHS3 compliance create regulatory and supply chain risks.

Q: What is the significance of the contact finish difference between gold and tin-lead?

A: The TSW-128-14-F-D uses gold plating (3.00µin thickness) on mating contacts, providing superior corrosion resistance and lower contact resistance over extended service life. The 4-103322-0 uses tin-lead finish (100.0µin thickness), which is thicker but does not provide equivalent corrosion protection and is not RoHS3 compliant.

Q: How do the operating temperature ranges affect part selection?

A: The TSW-128-14-F-D operates from -55°C to 125°C, while the 4-103322-0 operates from -65°C to 105°C. For applications requiring operation above 105°C, only the Samtec part is suitable. The TE part's lower upper temperature limit restricts use in high-temperature environments.

Q: Why is the insulation height difference (0.100" vs. 0.090") important?

A: Insulation height affects PCB layout clearances and mating connector alignment. The 0.010" difference may cause mechanical interference with adjacent components or mating connectors designed for the TSW-128-14-F-D's taller profile.

Q: What does "Obsolete" product status mean for the TE part?

A: Obsolete status indicates the manufacturer has discontinued production and support. This creates supply uncertainty, eliminates manufacturer technical support, and may result in higher costs for remaining inventory. New designs should not incorporate obsolete components.

Q: Are there RoHS compliance implications for substitution?

A: The TSW-128-14-F-D is ROHS3 compliant. The 4-103322-0 has "Not applicable" RoHS status, indicating it does not meet current RoHS3 standards. Designs subject to RoHS3 requirements cannot use the TE part as a substitute.

Q: How do the contact materials (Phosphor Bronze vs. Copper Alloy) affect performance?

A: Phosphor Bronze (TSW-128-14-F-D) provides superior spring properties and contact force consistency over extended mating cycles. Copper Alloy (4-103322-0) is a general-purpose material with adequate but less predictable performance characteristics.

Q: Can the 80-position TE part be used if only 56 positions are populated?

A: While physically possible, this approach wastes component cost and PCB space. Additionally, the obsolete status and compliance gaps remain unresolved. The TSW-128-14-F-D remains the appropriate selection for 56-position applications.