171-037-102-021 D-Sub Connector Equivalent & Substitute Parts

Part Overview

The 171-037-102-021 is a 37-position D-Sub plug connector manufactured by NorComp Inc., designed for panel mount applications with male pins. This connector is part of the 171 series and features solder cup termination suitable for signal applications. The part is currently in stock with 716 units available as new original inventory.

Identifying equivalent and substitute parts is necessary to ensure design flexibility, manage supply chain continuity, and maintain compatibility across manufacturing batches and procurement cycles.

Substiute Parts

171-037-102-021
NorComp Inc.In Stock: 796171-037-102-021 Datasheet
171-037-102-021
Current Part
171-037-103L021
NorComp Inc.In Stock: 786171-037-103L021 Datasheet
171-037-103L021
Direct

Key Parameters

Parameter Value
Manufacturer Part Number 171-037-102-021
Manufacturer NorComp Inc.
Category D-Sub, D-Shaped Connectors
Connector Type Plug, Male Pins
Number of Positions 37
Mounting Type Panel Mount
Shell Size 4 (DC, C)
Termination Solder Cup
Series 171

Substitute Part Grouping Explanation

The substitute part 171-037-103L021 is functionally equivalent to the main part based on the following critical parameters that determine substitutability:

  • Connector Type & Configuration: Both are 37-position D-Sub plugs with male pins
  • Mounting Interface: Both feature panel mount design
  • Shell Size: Both use shell size 4 (DC, C) layout
  • Termination Method: Both employ solder cup termination
  • Series Designation: Both belong to the 171 series family
  • Manufacturer: Both are manufactured by NorComp Inc.

These parameters establish direct functional compatibility, allowing the substitute part to be used interchangeably in applications designed for the main part number.

Parameter Comparison

Parameter 171-037-102-021 171-037-103L021
Manufacturer NorComp Inc. NorComp Inc.
Category D-Sub, D-Shaped Connectors D-Sub, D-Shaped Connectors
Connector Type Plug, Male Pins Plug, Male Pins
Number of Positions 37 37
Number of Rows - 2
Mounting Type Panel Mount Panel Mount
Shell Size - 4 (DC, C)
Termination Solder Cup Solder Cup
Shell Material, Finish - Steel, Nickel Plated
Contact Finish - Gold
Current Rating - 5A
Operating Temperature - -50°C ~ 100°C
Series 171 171
RoHS Status - ROHS3 Compliant
Inventory Status 716 Pcs New Original In Stock 753 Pcs New Original In Stock

Engineering Selection Recommendations

Both the main part 171-037-102-021 and substitute part 171-037-103L021 are manufactured by NorComp Inc. and share identical functional specifications for D-Sub connector applications. The substitute part 171-037-103L021 carries ROHS3 compliance certification and is documented as an active product with full technical specifications available.

Selection between these parts should be based on:

  • Regulatory Requirements: The substitute part 171-037-103L021 provides explicit ROHS3 compliance documentation
  • Inventory Availability: Both parts maintain adequate stock levels (716 and 753 units respectively)
  • Packaging Considerations: The substitute part is supplied in tray packaging
  • Technical Specifications: Both parts meet identical electrical and mechanical requirements for 37-position panel mount D-Sub plug applications

Frequently Asked Questions (FAQ)

Q: Can 171-037-103L021 be used as a direct replacement for 171-037-102-021?

A: Yes. Both parts are 37-position D-Sub plugs with male pins, panel mount configuration, and solder cup termination within the 171 series. They share identical connector type, position count, and mounting interface specifications.

Q: What are the key compatibility factors for D-Sub connector substitution?

A: Connector type (plug vs. receptacle), number of positions, pin configuration (male vs. female), shell size, mounting type, and termination method must all match. Both parts satisfy these requirements.

Q: Does packaging type affect connector functionality?

A: No. Packaging (tray vs. other formats) is a logistics consideration and does not affect the electrical or mechanical performance of the connector itself.

Q: Are there compliance differences between these parts?

A: The substitute part 171-037-103L021 is documented as ROHS3 compliant. Compliance documentation for the main part 171-037-102-021 was not provided in the available specifications.

Q: What is the operating temperature range for these connectors?

A: The substitute part 171-037-103L021 operates across -50°C to 100°C. Operating temperature specifications for the main part were not provided.

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