Molex 0873810608 Equivalent & Substitute Parts

Part Overview

The Molex 0873810608 is a 6-position receptacle connector from the Milli-Grid 87381 series, designed for surface mount board-to-board applications with 0.079" (2.00mm) pitch spacing. This connector features gold-plated mating contacts, push-pull fastening, and operates across -55°C to 105°C with a current rating of 1.9A at 125V. The part is active in production and ROHS3 compliant with unlimited moisture sensitivity rating.

Equivalent and substitute parts are identified when design requirements allow flexibility in electrical performance, packaging format, or mechanical interface while maintaining core functional compatibility for 6-position, 2.00mm pitch surface mount receptacle applications.

Substiute Parts

0873810608

MolexIn Stock: 8310873810608 Datasheet

Current PartRFQ

A3-6DA-2SV(71)

Hirose Electric Co LtdIn Stock: 1900A3-6DA-2SV(71) Datasheet

MFR RecommendedRFQ

A3A-6DA-2SV(71)

Hirose Electric Co LtdIn Stock: 1198A3A-6DA-2SV(71) Datasheet

MFR RecommendedRFQ

SMM-103-02-F-D

Samtec Inc.In Stock: 2481SMM-103-02-F-D Datasheet

MFR RecommendedRFQ

SMM-103-02-S-D-01

Samtec Inc.In Stock: 854SMM-103-02-S-D-01 Datasheet

MFR RecommendedRFQ

SMM-103-02-S-D-K-TR

Samtec Inc.In Stock: 1700SMM-103-02-S-D-K-TR Datasheet

MFR RecommendedRFQ

SMM-103-02-S-D-P-TR

Samtec Inc.In Stock: 1828SMM-103-02-S-D-P-TR Datasheet

MFR RecommendedRFQ

SMM-103-02-S-D-TR

Samtec Inc.In Stock: 1166SMM-103-02-S-D-TR Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the Molex 0873810608 is determined by strict alignment with the following core parameters:

• 6-position receptacle configuration with female socket contacts
• 0.079" (2.00mm) mating pitch and row spacing
• Surface mount solder termination with push-pull fastening
• Gold-plated mating contact finish
• Square contact geometry
• Board-to-board or board-to-cable interface capability

Substitute parts from Hirose Electric Co Ltd (A3 series) and Samtec Inc. (Tiger Eye™ SMM series) meet these core mechanical and electrical interface requirements. Variations in contact finish thickness, insulation material, current rating, voltage rating, and operating temperature range are permitted when the application design allows for these parameter differences. Packaging format variations (Tube, Bulk, Tape & Reel) do not affect functional substitution but impact procurement and assembly workflows.

Parameter Comparison

Engineering Selection Recommendations

All listed substitute parts maintain active product status and ROHS3 compliance, meeting regulatory requirements equivalent to the Molex 0873810608. Selection between substitute options depends on application-specific electrical and thermal requirements.

Hirose A3 series substitutes (A3-6DA-2SV(71) and A3A-6DA-2SV(71)) provide equivalent mechanical interface with reduced operating temperature range (-55°C to 85°C versus 105°C maximum). These parts feature lower current rating (1A versus 1.9A) and lower voltage rating (200VAC versus 125V). The A3A-6DA-2SV(71) variant includes board guide features for enhanced mechanical alignment.

Samtec Tiger Eye™ SMM series substitutes (SMM-103-02-F-D, SMM-103-02-S-D-01, SMM-103-02-S-D-K-TR, SMM-103-02-S-D-P-TR, SMM-103-02-S-D-TR) provide superior electrical performance with 3.2A per contact current rating and 350VAC voltage rating, supporting extended operating temperature to 125°C. These parts utilize Beryllium Copper contacts and Liquid Crystal Polymer insulation. Packaging variants include Tube, Bulk, and Tape & Reel formats. SMM-103-02-S-D-01 is loaded with 5 positions versus 6, requiring design verification. Tape & Reel variants (SMM-103-02-S-D-K-TR, SMM-103-02-S-D-P-TR, SMM-103-02-S-D-TR) include pick-and-place features suitable for automated assembly.

Frequently Asked Questions (FAQ)

Q: Can Hirose A3 series connectors directly replace the Molex 0873810608 in all applications?

A: Hirose A3 series connectors share the same 6-position, 2.00mm pitch mechanical interface and surface mount solder termination. However, the reduced operating temperature maximum (85°C versus 105°C) and lower current rating (1A versus 1.9A) require application verification. Use only when thermal and current requirements fall within Hirose specifications.

Q: What are the key differences between Samtec SMM-103 variants?

A: All Samtec SMM-103 variants maintain identical electrical and mechanical specifications with 3.2A per contact and 350VAC rating. Primary differences are packaging format (Tube, Bulk, Tape & Reel) and position loading. SMM-103-02-S-D-01 is loaded with 5 positions instead of 6. Tape & Reel variants include pick-and-place features for automated assembly.

Q: Does packaging format affect connector functionality?

A: Packaging format (Tube, Bulk, Tape & Reel) does not affect electrical or mechanical performance. Selection depends on procurement volume, assembly process automation requirements, and inventory management. Tape & Reel packaging is optimized for high-volume automated pick-and-place assembly.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All listed substitute parts maintain ROHS3 compliance and unlimited moisture sensitivity rating (MSL 1), matching the regulatory status of the Molex 0873810608.

Q: What is the impact of contact material differences between Molex and substitute parts?

A: The Molex 0873810608 uses unspecified contact material with 15.0µin gold finish thickness. Hirose A3 series uses Phosphor Bronze contacts with 8.00µin gold finish. Samtec SMM-103 series uses Beryllium Copper contacts with 3.00µin to 30.0µin gold finish depending on variant. These material and finish variations do not affect mechanical compatibility but may influence contact resistance and wear characteristics in specific applications.

Q: Can SMM-103-02-S-D-01 be used as a direct substitute if only 5 positions are required?

A: SMM-103-02-S-D-01 is loaded with 5 positions instead of 6. Use only when application design requires exactly 5 positions. Verify PCB footprint and connector mating interface compatibility before implementation.