979-015-030-121 D-Sub Backshell Connector Equivalent & Substitute Parts

Part Overview

The 979-015-030-121 is a 15-position two-piece backshell connector manufactured by NorComp Inc., designed for D-Sub applications with 180° cable exit and shielded configuration. This component is classified as obsolete, making identification of active equivalent parts essential for ongoing system support and new procurement requirements. The substitute part maintains identical electrical and mechanical specifications while offering improved product status and compliance certifications.

Substiute Parts

979-015-030-121

NorComp Inc.In Stock: 811979-015-030-121 Datasheet

Current PartRFQ

979-015-030R121

NorComp Inc.In Stock: 3271979-015-030R121 Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

The substitute part 979-015-030R121 qualifies as a direct equivalent based on the following critical parameters:

• Number of Positions: Both parts specify 15 positions
• Compatible Shell Size: Both support Shell Size A
• Compatible D-Sub Size: Both support 15pos and HD26pos configurations
• Cable Exit Angle: Both feature 180° cable exit
• Shielding Configuration: Both are shielded
• Primary Material: Both use Metal, Zinc Alloy construction
• Plating Specification: Both feature Nickel plating
• Mating Hardware: Both use Mating Screws 4-40
• Color: Both are Silver

The substitute part is manufactured by the same original equipment manufacturer (NorComp Inc.) and belongs to the same product series (979), ensuring mechanical and electrical compatibility with the original specification.

Parameter Comparison

Engineering Selection Recommendations

The 979-015-030R121 is the direct active equivalent for the obsolete 979-015-030-121. Selection of the substitute part is supported by:

• Product Status Alignment: The substitute part maintains active product status, ensuring continued availability and manufacturer support
• Compliance Enhancement: The substitute part achieves ROHS3 compliance, whereas the original part is RoHS non-compliant
• Regulatory Alignment: Both parts maintain identical REACH and ECCN classifications, ensuring no regulatory complications in component substitution
• Mechanical and Electrical Equivalence: All critical parameters including position count, shell size compatibility, cable exit angle, shielding, material composition, and plating specifications are identical

For applications requiring RoHS compliance or long-term component availability, the 979-015-030R121 substitute part is the appropriate selection.

Frequently Asked Questions (FAQ)

Q: Are the 979-015-030-121 and 979-015-030R121 mechanically interchangeable?

A: Yes. Both parts specify identical shell size (A), position count (15), cable exit angle (180°), and mating hardware (Mating Screws 4-40). They are mechanically interchangeable in D-Sub connector assemblies.

Q: What is the primary difference between these two parts?

A: The substitute part 979-015-030R121 is an active product with ROHS3 compliance, whereas the original 979-015-030-121 is obsolete and RoHS non-compliant. All electrical and mechanical specifications remain identical.

Q: Can the 979-015-030R121 be used in existing designs specified for 979-015-030-121?

A: Yes. The substitute part maintains full compatibility with designs specified for the original part, with the added benefit of improved compliance status and ongoing manufacturer support.

Q: What does the "R" designation in 979-015-030R121 indicate?

A: The "R" designation indicates a revision or updated version of the base product number 979-015, incorporating compliance improvements and active product status.

Q: Are there packaging differences between these parts?

A: The original part packaging is not specified. The substitute part is supplied in Bulk packaging.

Q: What is the Moisture Sensitivity Level (MSL) significance?

A: The substitute part specifies MSL 1 (Unlimited), indicating no moisture sensitivity restrictions during storage or handling. The original part lists MSL as Not Applicable.