NorComp 971-009-030-121 D-Sub Backshell Connector Equivalent & Substitute Parts

Part Overview

The NorComp 971-009-030-121 is a 9-position two-piece backshell connector with 45° cable exit, designed for D-Sub and HD15 applications. This component is classified as obsolete, making identification of active equivalent parts essential for ongoing system support and new design implementations. The substitute part maintains identical electrical and mechanical specifications while offering improved product status and compliance posture.

Substiute Parts

971-009-030-121

NorComp Inc.In Stock: 873971-009-030-121 Datasheet

Current PartRFQ

971-009-030R121

NorComp Inc.In Stock: 2699971-009-030R121 Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

The substitute part 971-009-030R121 qualifies as a direct equivalent based on the following critical parameters:

• Connector Position Count: Both parts feature 9 positions
• Shell Size Compatibility: Both support shell size E
• D-Sub Compatibility: Both compatible with 9pos and HD15pos configurations
• Cable Exit Geometry: Both specify 45° cable exit angle
• Shielding Configuration: Both are shielded designs
• Material Composition: Both utilize metal construction with zinc content
• Surface Finish: Both feature nickel over copper plating
• Mating Hardware: Both use 4-40 mating screws
• Accessory Type: Both are two-piece backshell connectors

The substitute part differs in product status (active versus obsolete) and RoHS compliance (ROHS3 compliant versus non-compliant), representing an improved revision within the same functional family.

Parameter Comparison

Engineering Selection Recommendations

The 971-009-030R121 is the appropriate selection for applications currently using or specifying the 971-009-030-121. This substitute part provides:

• Active Product Status: Ensures ongoing availability and manufacturer support
• ROHS3 Compliance: Meets current environmental and regulatory requirements for new designs and procurement
• Identical Mechanical Interface: Maintains full compatibility with existing D-Sub connector assemblies and cable configurations
• Equivalent Electrical Performance: Preserves shielding characteristics and signal integrity specifications

For legacy systems currently deployed with the obsolete part number, the substitute provides a direct replacement path without requiring mechanical redesign or connector interface modifications.

Frequently Asked Questions (FAQ)

Q: Can 971-009-030R121 be used as a direct replacement for 971-009-030-121?

A: Yes. Both parts share identical specifications for position count, shell size, cable exit angle, shielding, material composition, plating, and mating hardware. The substitute is mechanically and electrically interchangeable.

Q: What is the primary difference between these two part numbers?

A: The main difference is product status and compliance. The 971-009-030-121 is obsolete and RoHS non-compliant, while the 971-009-030R121 is active and ROHS3 compliant. Functionally, both parts are equivalent.

Q: Are there any compatibility concerns when switching from 971-009-030-121 to 971-009-030R121?

A: No compatibility concerns exist. Both parts are designed for the same D-Sub connector families (9pos and HD15pos) with identical shell size E and 45° cable exit specifications.

Q: What packaging is available for the substitute part?

A: The 971-009-030R121 is supplied in bulk packaging, with 2601 pieces available in new original stock.

Q: Does the substitute part meet current regulatory requirements?

A: Yes. The 971-009-030R121 is ROHS3 compliant and REACH unaffected, meeting current environmental and regulatory standards for component procurement and system deployment.