3M 81068-600C01-RB Equivalent & Substitute Parts

Part Overview

The 3M 81068-600C01-RB is a rectangular connector header designed for surface mount applications. This component is a shrouded, 68-position male pin header with 1.27mm pitch spacing, configured for board-to-cable/wire connections. The part carries an obsolete product status, making identification of functionally equivalent alternatives essential for ongoing design support, legacy system maintenance, and production continuity.

Substiute Parts

81068-600C01-RB

3MIn Stock: 118181068-600C01-RB Datasheet

Current PartRFQ

81068-600C01-RB

3MIn Stock: 118181068-600C01-RB Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution for the 3M 81068-600C01-RB is determined by strict equivalence across the following critical parameters:

• Connector Type & Contact Configuration: Header with male pins
• Position Count & Row Configuration: 68 positions arranged in 2 rows
• Pitch Specifications: 1.27mm mating pitch with 2.54mm row spacing
• Mounting Technology: Surface mount solder termination
• Mechanical Interface: Shrouded 4-wall design with push-pull fastening
• Electrical Performance: 0.75A current rating, gold-plated mating contacts
• Material & Environmental Compliance: LCP insulation, UL94 V-0 flammability rating, RoHS compliance, -55°C to 105°C operating range

Only components matching all specified parameters across connector topology, electrical ratings, mechanical dimensions, and material composition qualify as direct substitutes.

Parameter Comparison

Engineering Selection Recommendations

The 3M 81068-600C01-RB is identified as obsolete. The manufacturer-recommended equivalent is the same part number: 81068-600C01-RB. Both configurations maintain identical electrical and mechanical specifications, ensuring direct functional compatibility.

Selection is based on the following engineering criteria:

• Regulatory Compliance: Both parts maintain RoHS compliance and UL94 V-0 flammability certification, meeting current environmental and safety standards.
• Moisture Sensitivity: MSL 1 rating indicates unlimited shelf life under standard storage conditions, eliminating moisture-related handling constraints.
• Thermal Performance: Operating temperature range of -55°C to 105°C supports industrial and commercial applications without thermal derating.
• Electrical Integrity: Gold-plated mating contacts with 0.75A current rating ensure reliable signal transmission and power distribution across all 68 positions.

For applications requiring the 3M 810 series 68-position 1.27mm pitch surface mount header, the specified part number provides the required electrical performance and mechanical interface without substitution.

Frequently Asked Questions (FAQ)

Q: Why is the 3M 81068-600C01-RB listed as obsolete?

A: Product obsolescence is determined by the manufacturer based on production discontinuation. Existing inventory remains available for purchase, and the part continues to function within all specified electrical and mechanical parameters.

Q: What defines a valid substitute for this 68-position header?

A: A valid substitute must match all critical parameters: 68 positions in 2-row configuration, 1.27mm mating pitch, 2.54mm row spacing, surface mount solder termination, shrouded 4-wall design, push-pull fastening, 0.75A current rating, gold-plated mating contacts, LCP insulation, and -55°C to 105°C operating temperature range.

Q: Can I use a different pitch spacing or row configuration?

A: No. The 1.27mm mating pitch and 2.54mm row spacing are fixed mechanical parameters. Deviating from these specifications will result in incompatibility with mating connectors and PCB footprints designed for the 81068-600C01-RB.

Q: What is the significance of the shrouded 4-wall design?

A: The 4-wall shrouding provides mechanical protection and alignment during mating operations. This design prevents accidental contact with exposed pins and ensures proper connector orientation, which is critical for push-pull fastening systems.

Q: Are there any handling or storage requirements for this component?

A: The MSL 1 rating indicates unlimited moisture sensitivity, meaning standard dry storage conditions are not required. The component can be stored and handled under normal warehouse conditions without special moisture control measures.

Q: What is the difference between the contact finish specifications?

A: Mating contacts are gold-plated (30.0µin thickness) to ensure low contact resistance and corrosion resistance during mating cycles. Post contacts are tin-plated (250.0µin thickness) to facilitate solder attachment to PCB pads.