Molex 0459703117 Equivalent & Substitute Parts

Part Overview

The Molex 0459703117 is a 300 Position High Density Array rectangular connector with male configuration, designed for surface mount applications. This connector features gold-plated contacts and board guide support, operating at 0.050" (1.27mm) pitch across 10 rows. The part is currently classified as obsolete, which necessitates identification of functionally equivalent alternatives for ongoing design support and procurement continuity.

Substiute Parts

0459703117

MolexIn Stock: 10710459703117 Datasheet

Current PartRFQ

0459703115

MolexIn Stock: 14600459703115 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the Molex 0459703117 is determined by strict equivalence across the following critical parameters:

• Connector Configuration: High Density Array, Male orientation
• Position Count: Exactly 300 positions
• Contact Pitch: 0.050" (1.27mm) spacing
• Row Configuration: 10 rows
• Surface Mount Compatibility: SMD mounting requirement
• Contact Material & Finish: Gold plating at 30.0µin thickness
• Mechanical Envelope: Height above board of 0.221" (5.61mm) and compatible stacking heights

The Molex 0459703115 meets all these criteria and is identified as the manufacturer-recommended substitute. Both parts share identical electrical and mechanical specifications within the SEARAY 45970 series, with the primary distinction being product status and regulatory compliance.

Parameter Comparison

Engineering Selection Recommendations

The Molex 0459703115 is the direct functional equivalent and manufacturer-recommended substitute for the obsolete 0459703117. Both connectors are electrically and mechanically identical across all specified parameters, ensuring pin-for-pin compatibility and identical PCB footprints.

The 0459703115 offers the following advantages for new designs and legacy system updates:

• Active Product Status: Currently in production with established supply chain availability
• Regulatory Compliance: ROHS3 compliant, meeting current environmental and safety standards
• REACH Unaffected: Confirmed compliance status for European market requirements
• Packaging: Available in Cut Tape (CT) format for automated assembly processes
• Inventory: Higher stock levels (1384 Pcs) compared to the obsolete part

Selection of the 0459703115 eliminates obsolescence risk while maintaining complete electrical and mechanical compatibility with existing designs utilizing the 0459703117.

Frequently Asked Questions (FAQ)

Q: Are the 0459703117 and 0459703115 pin-for-pin compatible?

A: Yes. Both connectors feature identical 300-position configurations at 0.050" pitch across 10 rows with matching height and stacking specifications. PCB footprints are identical.

Q: What is the primary reason for substitution?

A: The 0459703117 is classified as obsolete. The 0459703115 is the active equivalent from the same manufacturer and series, ensuring continued availability and supply chain stability.

Q: Does the substitute part require PCB redesign?

A: No. The 0459703115 maintains identical mechanical and electrical specifications, including mounting type, contact finish, and board envelope dimensions. Existing PCB designs require no modification.

Q: What is the difference in RoHS compliance?

A: The original 0459703117 is RoHS non-compliant, while the 0459703115 is ROHS3 compliant. This distinction is relevant for applications subject to European environmental regulations and modern procurement standards.

Q: Are there packaging differences between these parts?

A: The 0459703115 is supplied in Cut Tape (CT) packaging, optimized for automated pick-and-place assembly. The original part packaging specification was not provided. Both are suitable for surface mount production processes.

Q: What is the moisture sensitivity level for both parts?

A: Both connectors are rated MSL 1 (Unlimited), indicating no moisture sensitivity restrictions for storage or handling.