DF3F-7S-2R26(85) Equivalent & Substitute Parts

Part Overview

The DF3F-7S-2R26(85) is a 7-position rectangular connector manufactured by Hirose Electric Co Ltd, part of the DF3 series. This component is classified as obsolete and is no longer in active production. Due to its obsolete status, identifying functionally equivalent substitute parts is essential for system maintenance, repair, and component sourcing in applications where this connector was originally specified.

Substiute Parts

DF3F-7S-2R26(85)

Hirose Electric Co LtdIn Stock: 769DF3F-7S-2R26(85) Datasheet

Current PartRFQ

6-173977-7

TE Connectivity AMP ConnectorsIn Stock: 142306-173977-7 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution for the DF3F-7S-2R26(85) is based on the following critical parameters:

• Number of Positions: 7 positions (primary matching criterion)
• Connector Category: Rectangular connectors
• Product Availability: Active production status required for viable substitution

The substitute part 6-173977-7 (TE Connectivity AMP Connectors, CT series) matches the 7-position requirement and is actively manufactured, making it suitable for applications requiring a functionally equivalent rectangular connector in this position count.

Parameter Comparison

Engineering Selection Recommendations

The DF3F-7S-2R26(85) is obsolete and no longer manufactured. The 6-173977-7 from TE Connectivity AMP Connectors is an active production alternative that maintains the 7-position rectangular connector configuration. This substitute is ROHS3 compliant and carries an MSL rating of 1, indicating broad environmental compatibility. Selection of this substitute should be based on mechanical fit verification and electrical performance requirements specific to the application.

Frequently Asked Questions (FAQ)

Q: What is the primary basis for substituting the DF3F-7S-2R26(85)? A: The substitute 6-173977-7 matches the critical parameter of 7 positions in a rectangular connector format and is actively manufactured, addressing the obsolescence of the original part.

Q: Are there mechanical compatibility considerations between these parts? A: Mechanical compatibility must be verified at the system level, as detailed mechanical specifications (mounting type, fastening type, row spacing) are not provided for the original part. Physical fit testing is recommended before implementation.

Q: What certifications does the substitute part carry? A: The 6-173977-7 is ROHS3 compliant and carries an MSL rating of 1 (Unlimited), suitable for standard industrial and commercial applications.

Q: What is the packaging format for the substitute part? A: The 6-173977-7 is supplied in bulk packaging.

Q: How does the wire gauge specification of the substitute affect compatibility? A: The substitute specifies 26-28 AWG wire gauge for IDC termination. Compatibility depends on the wire gauge requirements of the original application design.