HTSW-120-07-S-D Equivalent & Substitute Parts

Part Overview

The HTSW-120-07-S-D is a rectangular connector header manufactured by Samtec Inc., designed for through-hole board-to-board or cable applications. This 40-position, 2-row connector operates across a wide temperature range of -55°C to 125°C and is constructed with liquid crystal polymer insulation and phosphor bronze contacts finished in gold. The part maintains active product status and ROHS3 compliance, making it suitable for modern electronic assemblies requiring reliable interconnection solutions.

Equivalent and substitute parts are identified when component availability is limited, supply chain disruptions occur, or design flexibility is required while maintaining electrical and mechanical compatibility within specified parameters.

Substiute Parts

HTSW-120-07-S-D

Samtec Inc.In Stock: 745HTSW-120-07-S-D Datasheet

Current PartRFQ

7-146261-0

TE Connectivity AMP ConnectorsIn Stock: 29807-146261-0 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the HTSW-120-07-S-D are identified based on strict electrical and mechanical parameter alignment. The following criteria determine substitution eligibility:

Critical Parameters for Substitution:

• Connector type (Header)
• Contact type (Male Pin)
• Number of positions (40)
• Number of rows (2)
• Pitch - mating (0.100" / 2.54mm)
• Row spacing - mating (0.100" / 2.54mm)
• Mounting type (Through Hole)
• Termination method (Solder)
• Fastening type (Push-Pull)
• Contact finish - mating (Gold)
• Insulation material (Liquid Crystal Polymer)
• Material flammability rating (UL94 V-0)
• RoHS compliance status

The substitute part 7-146261-0 (TE Connectivity AMP Connectors AMPMODU Mod II series) meets all critical electrical and mechanical parameters, enabling direct functional substitution in applications requiring 40-position, 2.54mm pitch header connectors with through-hole solder termination and push-pull fastening.

Parameter Comparison

Engineering Selection Recommendations

Both the HTSW-120-07-S-D and 7-146261-0 maintain active product status and ROHS3 compliance, confirming ongoing manufacturer support and regulatory alignment for current applications. Both parts carry UL94 V-0 material flammability certification, meeting stringent safety requirements for consumer and industrial electronics.

The HTSW-120-07-S-D operates across -55°C to 125°C, providing extended low-temperature performance. The 7-146261-0 operates across -65°C to 105°C, offering lower minimum temperature capability but reduced maximum temperature range. Selection between these parts depends on specific application temperature requirements.

Contact post length and insulation height differ between the two parts. The HTSW-120-07-S-D features 0.100" (2.54mm) post length and insulation height, while the 7-146261-0 features 0.090" (2.29mm) dimensions. These dimensional variations may affect PCB layout and mating connector clearance in space-constrained designs.

The 7-146261-0 includes breakaway functionality, providing design flexibility for applications requiring modular connector configurations. This feature is not present in the HTSW-120-07-S-D.

Frequently Asked Questions (FAQ)

Q: Can the 7-146261-0 directly replace the HTSW-120-07-S-D in existing designs?

A: Direct replacement is possible when application temperature requirements fall within the 7-146261-0 operating range (-65°C to 105°C) and PCB layout accommodates the 0.090" (2.29mm) post length and insulation height. Verification of mating connector compatibility is required, as the dimensional differences may affect connector engagement and clearance.

Q: What are the key electrical compatibility factors between these parts?

A: Both connectors feature identical mating pitch (0.100" / 2.54mm), row spacing (0.100" / 2.54mm), contact type (male pin), contact finish (gold at 30.0µin thickness), and termination method (solder). These parameters ensure electrical compatibility for signal and power distribution applications.

Q: How do the operating temperature ranges differ?

A: The HTSW-120-07-S-D operates from -55°C to 125°C, while the 7-146261-0 operates from -65°C to 105°C. Applications requiring operation above 105°C must use the HTSW-120-07-S-D. Applications requiring operation below -55°C must use the 7-146261-0.

Q: What is the significance of the breakaway feature in the 7-146261-0?

A: The breakaway feature allows individual connector positions to be separated from the main header assembly, enabling modular connector configurations. The HTSW-120-07-S-D does not offer this capability, limiting design flexibility to fixed 40-position configurations.

Q: Are there packaging differences between these parts?

A: The HTSW-120-07-S-D is supplied in bag packaging, while the 7-146261-0 is supplied in bulk packaging. Packaging differences do not affect electrical or mechanical performance but may influence inventory management and assembly processes.

Q: Do both parts meet current regulatory compliance standards?

A: Both parts are ROHS3 compliant and carry UL94 V-0 material flammability certification, confirming compliance with current regulatory requirements for electronic component applications.