NorComp 979-009-020-121 Equivalent & Substitute Parts

Part Overview

The NorComp 979-009-020-121 is a 9-position two-piece backshell connector with 180° shielded cable exit, designed for D-Sub applications. This component is classified as obsolete, making identification of functionally equivalent alternatives essential for ongoing system support and component procurement. The part features a plastic construction with metallized finish and chrome plating, compatible with both 9-position and HD15-position D-Sub connectors.

Substiute Parts

979-009-020-121

NorComp Inc.In Stock: 738979-009-020-121 Datasheet

Current PartRFQ

979-009-020R121

NorComp Inc.In Stock: 2529979-009-020R121 Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the 979-009-020-121 is determined by the following critical parameters:

• Number of Positions: Must be 9
• Compatible Shell Size: Must be E
• Compatible D-Sub Size: Must support 9pos and HD15pos
• Cable Exit Angle: Must be 180°
• Shielding: Must be Shielded
• Cable Type: Must be Round
• Accessory Type: Must be Two Piece Backshell
• Primary Material: Must be Plastic, Metallized
• Plating: Must be Chrome
• Hardware Configuration: Must include Assembly Hardware, Grommets, and Mating Screws 4-40

The substitute part 979-009-020R121 meets all these criteria, providing functional equivalence for the obsolete 979-009-020-121.

Parameter Comparison

Engineering Selection Recommendations

The 979-009-020R121 is the direct substitute for the obsolete 979-009-020-121. Both components share identical mechanical and electrical specifications, ensuring drop-in compatibility within D-Sub connector assemblies.

The primary distinction between the two parts is product status and regulatory compliance. The 979-009-020R121 is classified as Active and carries ROHS3 compliance, whereas the 979-009-020-121 is Obsolete and RoHS non-compliant. For new designs or systems requiring regulatory compliance with modern environmental standards, the 979-009-020R121 is the appropriate selection. Both parts maintain identical REACH and ECCN classifications.

Frequently Asked Questions (FAQ)

Q: Can the 979-009-020R121 be used as a direct replacement for the 979-009-020-121?

A: Yes. Both parts are mechanically and electrically identical. The 979-009-020R121 provides full functional equivalence and is compatible with all applications designed for the 979-009-020-121.

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

A: The 979-009-020-121 is obsolete and RoHS non-compliant. The 979-009-020R121 is an active product with ROHS3 compliance. All other specifications, including mechanical dimensions, electrical characteristics, and material composition, are identical.

Q: Are there packaging differences between these parts?

A: The 979-009-020-121 packaging specification is not provided. The 979-009-020R121 is supplied in Bulk packaging.

Q: What cable configurations are compatible with these backshells?

A: Both parts are designed for round cable types with a 180° cable exit angle. They are compatible with 9-position and HD15-position D-Sub connectors using shell size E.

Q: Do these parts meet current environmental regulations?

A: The 979-009-020R121 is ROHS3 compliant and REACH unaffected. The 979-009-020-121 is RoHS non-compliant. For applications requiring regulatory compliance, the 979-009-020R121 is the appropriate choice.