HTST-105-01-LM-DV-A Equivalent & Substitute Parts

Part Overview

The HTST-105-01-LM-DV-A is a surface mount rectangular connector header manufactured by Samtec Inc. in the Flex Stack HTST series. This connector is a 10-position, 2-row header with 0.100" (2.54mm) pitch designed for board-to-cable/wire applications. The part is currently active in production with 758 units in stock. Identifying equivalent and substitute parts is necessary to ensure design flexibility, manage supply chain continuity, and accommodate component availability across manufacturing cycles.

Substiute Parts

HTST-105-01-LM-DV-A

Samtec Inc.In Stock: 783HTST-105-01-LM-DV-A Datasheet

Current PartRFQ

HTST-105-01-L-DV-A

Samtec Inc.In Stock: 1361HTST-105-01-L-DV-A Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the HTST-105-01-LM-DV-A is determined by strict equivalence across the following critical parameters:

• Connector type (Header), contact type (Male Pin), and series (Flex Stack, HTST)
• Position count (10) and row configuration (2 rows)
• Mating pitch (0.100" / 2.54mm) and row spacing (0.100" / 2.54mm)
• Mounting technology (Surface Mount) and shrouding style (Shrouded - 4 Wall)
• Contact specifications: mating length (0.250" / 6.35mm), shape (Square), and material (Phosphor Bronze)
• Contact finish on mating surface (Gold, 10.0µin / 0.25µm thickness)
• Insulation material (Liquid Crystal Polymer - LCP) and height (0.350" / 8.89mm)
• Electrical performance: current rating (3.4A per Contact) and operating temperature range (-55°C ~ 125°C)
• Compliance certifications: RoHS3 compliance and UL94 V-0 flammability rating

The substitute part HTST-105-01-L-DV-A meets all these criteria and is therefore electrically and mechanically interchangeable with the main part number.

Parameter Comparison

Engineering Selection Recommendations

Both HTST-105-01-LM-DV-A and HTST-105-01-L-DV-A are active production parts from Samtec Inc. with identical electrical and mechanical specifications. Selection between these parts should be based on the following factors:

• Both parts are RoHS3 compliant and carry UL94 V-0 flammability certification, meeting regulatory requirements for industrial and consumer applications.
• The substitute part HTST-105-01-L-DV-A offers higher inventory availability (1303 units versus 758 units), providing improved supply chain flexibility.
• Moisture sensitivity levels differ (Not Applicable versus MSL 1 - Unlimited), but both are suitable for standard manufacturing and storage conditions.
• All electrical parameters, mechanical dimensions, contact specifications, and operating characteristics are identical between the two parts.
• Selection may be driven by procurement lead times, inventory allocation, or supply chain strategy rather than technical performance differences.

Frequently Asked Questions (FAQ)

Q: Are HTST-105-01-LM-DV-A and HTST-105-01-L-DV-A pin-for-pin compatible?

A: Yes. Both parts have identical pin counts (10 positions), row configuration (2 rows), pitch (0.100" / 2.54mm), contact types (Male Pin), and mating contact lengths (0.250" / 6.35mm). They are fully pin-for-pin compatible.

Q: Can I use HTST-105-01-L-DV-A as a direct replacement for HTST-105-01-LM-DV-A on an existing PCB?

A: Yes. The parts are mechanically and electrically identical. PCB footprints, mounting requirements, and solder pad layouts are the same. No design changes are required.

Q: What is the difference between these two part numbers?

A: The parts differ only in moisture sensitivity level designation and current inventory levels. All functional, electrical, and mechanical specifications are identical.

Q: Are both parts suitable for high-temperature applications?

A: Yes. Both parts operate across the temperature range of -55°C to 125°C and carry UL94 V-0 flammability certification, making them suitable for industrial and demanding thermal environments.

Q: Do both parts meet RoHS compliance requirements?

A: Yes. Both HTST-105-01-LM-DV-A and HTST-105-01-L-DV-A are ROHS3 compliant.

Q: What is the current-carrying capacity of these connectors?

A: Each contact is rated for 3.4A. With 10 positions across 2 rows, the total connector capacity depends on the specific application and current distribution across contacts.

Q: Are these connectors suitable for board-to-cable applications?

A: Yes. Both parts are classified as Board to Cable/Wire style connectors with shrouded 4-wall design, providing mechanical protection and alignment for cable interconnections.