NorComp 983-009-020-121 D-Sub Backshell Connector: Equivalent & Substitute Parts

Part Overview

The NorComp 983-009-020-121 is a 9-position two-piece D-Sub backshell connector with 180° cable exit, designed for shielded round cable applications. This connector features nickel-plated copper contacts over plastic construction with integrated strain relief and 4-40 mating screws. The part is currently classified as obsolete, making identification of functionally equivalent alternatives necessary for ongoing system support and procurement planning.

Substiute Parts

983-009-020-121
NorComp Inc.In Stock: 1088983-009-020-121 Datasheet
983-009-020-121
Current Part
983-009-020R121
NorComp Inc.In Stock: 1053983-009-020R121 Datasheet
983-009-020R121
Direct

Key Parameters

Parameter Value
Manufacturer Part Number 983-009-020-121
Manufacturer NorComp Inc.
Category D-Sub, D-Shaped Connectors
Number of Positions 9
Accessory Type Two Piece Backshell
Compatible Shell Size E
Compatible D-Sub Size 9pos and HD15pos
Cable Exit 180°
Shielding Shielded
Cable Type Round
Plating Nickel over Copper
Hardware Strain Relief
Mating Screws 4-40
Color Silver
Product Status Obsolete

Substitute Part Grouping Explanation

Substitution eligibility for the 983-009-020-121 is determined by strict equivalence across the following critical parameters:

  • Number of Positions: 9
  • Accessory Type: Two Piece Backshell
  • Compatible Shell Size: E
  • Compatible D-Sub Size: 9pos and HD15pos
  • Cable Exit Angle: 180°
  • Shielding Configuration: Shielded
  • Cable Type: Round
  • Plating Specification: Nickel over Copper
  • Hardware: Strain Relief with 4-40 Mating Screws
  • Color: Silver

The substitute part 983-009-020R121 maintains identical electrical and mechanical specifications across all parameters listed above. The primary distinction is product status: the substitute is active and RoHS3 compliant, whereas the original part is obsolete and RoHS non-compliant.

Parameter Comparison

Parameter 983-009-020-121 (Original) 983-009-020R121 (Substitute)
Manufacturer NorComp Inc. NorComp Inc.
Category D-Sub, D-Shaped Connectors D-Sub, D-Shaped Connectors
Number of Positions 9 9
Accessory Type Two Piece Backshell Two Piece Backshell
Compatible Shell Size E E
Compatible D-Sub Size 9pos and HD15pos 9pos and HD15pos
Cable Exit 180° 180°
Shielding Shielded Shielded
Cable Type Round Round
Plating Nickel over Copper Nickel over Copper
Hardware Strain Relief Strain Relief
Mating Screws 4-40 4-40
Color Silver Silver
Product Status Obsolete Active
RoHS Status RoHS non-compliant RoHS3 Compliant
MSL Rating Not Applicable 1 (Unlimited)
Packaging Not specified Bulk

Engineering Selection Recommendations

The 983-009-020R121 is the direct functional equivalent of the obsolete 983-009-020-121. Both parts share identical electrical and mechanical specifications, ensuring drop-in compatibility in existing designs. The substitute part offers the additional advantage of active product status and RoHS3 compliance, making it suitable for applications subject to environmental and regulatory requirements. Selection of the 983-009-020R121 is appropriate for new designs, redesigns, and replacement procurement where regulatory compliance is required.

Frequently Asked Questions (FAQ)

Q: Can the 983-009-020R121 be used as a direct replacement for the 983-009-020-121?

A: Yes. Both parts are identical in electrical and mechanical specifications, including position count, shell size, cable exit angle, shielding configuration, plating, and hardware. The 983-009-020R121 is a direct substitute.

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

A: The primary differences are product status and compliance certifications. The 983-009-020-121 is obsolete and RoHS non-compliant. The 983-009-020R121 is active and RoHS3 compliant. All functional specifications are identical.

Q: Are there any compatibility concerns when switching from 983-009-020-121 to 983-009-020R121?

A: No compatibility concerns exist. Both parts are compatible with 9-position and HD15-position D-Sub connectors with shell size E, support 180° cable exit, and feature identical mechanical interfaces.

Q: What packaging is available for the substitute part?

A: The 983-009-020R121 is supplied in bulk packaging.

Q: Does the substitute part meet current regulatory requirements?

A: Yes. The 983-009-020R121 is RoHS3 compliant and REACH unaffected, meeting current environmental and regulatory standards.

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