Molex 0761658603 Equivalent & Substitute Parts

Part Overview

The Molex 0761658603 is a 144-position backplane connector header with male pins designed for through-hole PCB mounting. This component features an Impact connector style with guide right orientation, configured as a 9×16 matrix with 48 differential pairs. The part is classified as obsolete, making identification of active equivalent alternatives essential for ongoing production and maintenance applications.

Substiute Parts

0761658603

MolexIn Stock: 6930761658603 Datasheet

Current PartRFQ

0761659603

MolexIn Stock: 12290761659603 Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

The Molex 0761659603 qualifies as a direct substitute for the 0761658603 based on identical electrical and mechanical parameters. Substitution is valid when the following criteria are met:

• Connector type, style, and orientation remain unchanged (Header, Male Pins; Impact, Guide Right)
• Position count and matrix configuration are identical (144 positions; 9×16 layout)
• Pitch specification matches exactly (0.053" / 1.35mm)
• Contact finish, voltage rating, and temperature range are equivalent
• Mounting method and termination type are identical (Through Hole; Press-Fit)
• Compliance certifications are maintained (UL94 V-0; ROHS3)

The primary distinction between these parts is product status and packaging format. The substitute part 0761659603 is classified as active and supplied in tray packaging, whereas the original part is obsolete and supplied without specified packaging.

Parameter Comparison

Engineering Selection Recommendations

The Molex 0761659603 is the recommended substitute for the obsolete 0761658603. Both parts are manufactured by Molex within the same Impact 76165 series and maintain identical electrical and mechanical specifications across all critical parameters.

Selection of the 0761659603 is supported by:

• Active product status ensuring continued availability and supply chain reliability
• Identical compliance certifications (UL94 V-0; ROHS3 Compliant)
• Equivalent performance across voltage, temperature, and contact specifications
• Tray packaging format suitable for automated assembly processes

No design modifications or PCB layout changes are required when transitioning from the original part to the substitute.

Frequently Asked Questions (FAQ)

Q: Can the 0761659603 be used as a direct replacement for the 0761658603 without PCB modifications?

A: Yes. Both parts share identical connector type, position count, pitch, mounting method, and termination specifications. No PCB layout changes are necessary.

Q: What is the primary reason for substitution?

A: The original part 0761658603 is classified as obsolete. The 0761659603 is an active equivalent from the same manufacturer and series, ensuring continued component availability.

Q: Are the electrical and thermal specifications identical?

A: Yes. Both parts maintain identical voltage rating (30V), operating temperature range (-55°C to 85°C), and contact finish specifications (Gold, 30.0µin).

Q: Does packaging format affect compatibility?

A: No. The substitute part is supplied in tray packaging, which is a standard format for automated assembly. This does not affect electrical or mechanical compatibility with the PCB.

Q: Are both parts RoHS compliant?

A: Yes. Both the original and substitute parts are ROHS3 compliant and meet UL94 V-0 flammability requirements.

Q: What is the differential pair configuration?

A: Both parts are configured with 48 differential pairs within the 144-position, 9×16 matrix layout.