Molex 0791077268 Equivalent & Substitute Parts

Part Overview

The Molex 0791077268 is a 38-position receptacle connector from the Milli-Grid 79107 series, designed for board-to-board and cable applications. This through-hole mounted connector features 0.079" (2.00mm) pitch spacing, gold-plated mating contacts, and operates across -55°C to 125°C. The part is active in production and ROHS3 compliant, making it suitable for automotive, general purpose, and telecommunications applications. Equivalent parts are identified to support procurement flexibility, inventory management, and supply chain continuity.

Substiute Parts

0791077268

MolexIn Stock: 7440791077268 Datasheet

Current PartRFQ

MMS-119-01-S-DV

Samtec Inc.In Stock: 825MMS-119-01-S-DV Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the Molex 0791077268 is determined by strict alignment with the following critical parameters:

• 38-position receptacle configuration
• 0.079" (2.00mm) mating pitch
• 2-row layout with 0.079" (2.00mm) row spacing
• Through-hole solder termination
• Push-pull fastening mechanism
• Gold-plated mating contacts
• Operating temperature range of -55°C to 125°C
• Phosphor bronze contact material
• ROHS3 compliance

The Samtec MMS-119-01-S-DV meets all critical substitution criteria. Both parts share identical connector topology, pitch specifications, mounting methodology, and environmental ratings. Differences in contact post length, current rating per contact, and insulation material composition do not preclude functional equivalence in applications where the main part specifications are met.

Parameter Comparison

Engineering Selection Recommendations

Both the Molex 0791077268 and Samtec MMS-119-01-S-DV are active production parts with ROHS3 compliance and EAR99 export classification. Selection between these parts should be based on:

• Availability and lead time requirements
• Packaging format (Molex standard packaging vs. Samtec tube packaging)
• Contact post length specifications for PCB design constraints
• Current rating requirements per contact (1A vs. 3.9A per contact)
• Insulation material compatibility with application environment (Thermoplastic Glass Filled vs. Liquid Crystal Polymer)

Both parts satisfy the core electrical and mechanical requirements for 38-position, 0.079" pitch rectangular connector applications with push-pull fastening and through-hole solder termination.

Frequently Asked Questions (FAQ)

Q: Can the Samtec MMS-119-01-S-DV directly replace the Molex 0791077268 in existing designs?

A: Yes, provided the design accommodates the differences in contact post length (0.115" vs. 0.075") and insulation material composition. The connector topology, pitch, row spacing, and mating interface are identical.

Q: What is the significance of the different current ratings (1A vs. 3.9A per contact)?

A: The Samtec part supports higher current per contact. Applications requiring only 1A per contact can use either part. Applications requiring higher current density should specify the Samtec MMS-119-01-S-DV.

Q: Are there packaging differences between these parts?

A: The Molex 0791077268 uses standard packaging, while the Samtec MMS-119-01-S-DV is supplied in tube packaging. Verify packaging compatibility with assembly and handling requirements.

Q: Do both parts meet the same environmental and compliance standards?

A: Yes. Both parts are ROHS3 compliant, operate across -55°C to 125°C, and carry EAR99 export classification with identical HTSUS codes.

Q: What is the difference in insulation material, and does it affect substitution?

A: The Molex part uses Thermoplastic Glass Filled insulation, while the Samtec part uses Liquid Crystal Polymer (LCP). LCP offers superior dimensional stability and chemical resistance. Material selection should align with application environment and thermal cycling requirements.