SD-50SN Equivalent & Substitute Parts

Part Overview

The SD-50SN is a 5-position circular connector receptacle manufactured by CUI Devices, featuring female sockets with solder eyelet termination and DIN 180-degree shell configuration. This component is classified as obsolete, making equivalent substitute parts necessary for ongoing system maintenance, repair, and new design implementations where legacy compatibility is required. The part is panel-mounted with push-pull fastening and shielded construction suitable for applications requiring 1A to 2A current capacity at 100VAC or 12VDC.

Substiute Parts

SD-50SN

CUI DevicesIn Stock: 1032SD-50SN Datasheet

Current PartRFQ

57GB5FX

Switchcraft Inc.In Stock: 492557GB5FX Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the SD-50SN is determined by strict alignment with the following core parameters:

• Connector Configuration: Receptacle with female sockets, 5-position DIN 180-degree shell
• Mounting & Termination: Panel mount with flange, solder eyelet termination
• Fastening & Orientation: Push-pull fastening mechanism with keyed orientation
• Electrical Performance: Current and voltage ratings must meet or exceed the original specification
• Shielding & Material: Shielded construction with metal shell and appropriate contact materials
• Regulatory Compliance: ROHS3 compliance and REACH unaffected status

The substitute part 57GB5FX from Switchcraft Inc. meets these core substitution criteria across all critical mechanical and electrical parameters.

Parameter Comparison

Engineering Selection Recommendations

The 57GB5FX from Switchcraft Inc. is a direct functional equivalent to the obsolete SD-50SN. Both components maintain identical mechanical interfaces, connector configurations, and termination methods. The 57GB5FX demonstrates superior electrical performance with 3A current capacity and 34VDC voltage rating, exceeding the original SD-50SN specifications of 1A to 2A at 100VAC or 12VDC. Both parts maintain ROHS3 compliance and REACH unaffected status, ensuring regulatory alignment for new designs and legacy system replacements. The 57GB5FX is currently in active production status with substantial inventory availability, providing supply chain continuity for applications previously dependent on the discontinued SD-50SN.

Frequently Asked Questions (FAQ)

Q: Can the 57GB5FX directly replace the SD-50SN in existing assemblies?

A: Yes. The 57GB5FX maintains identical DIN 180-degree shell configuration, 5-position female socket arrangement, panel-mount flange, push-pull fastening, and solder eyelet termination. Mechanical and electrical interfaces are fully compatible.

Q: Are there differences in electrical performance between these parts?

A: The 57GB5FX exceeds the SD-50SN specifications. The 57GB5FX supports 3A current capacity and 34VDC voltage rating, compared to the SD-50SN's 1A to 2A at 100VAC or 12VDC. This higher rating ensures compatibility with applications operating within the original SD-50SN parameters.

Q: What is the packaging difference between these parts?

A: The SD-50SN was supplied in standard packaging, while the 57GB5FX is available in bulk packaging. This difference does not affect component functionality or electrical performance.

Q: Do both parts meet current regulatory requirements?

A: Yes. Both the SD-50SN and 57GB5FX are ROHS3 compliant and REACH unaffected, meeting current environmental and regulatory standards for electronic component manufacturing and distribution.

Q: Why is the SD-50SN classified as obsolete?

A: The SD-50SN has been discontinued by CUI Devices. The 57GB5FX from Switchcraft Inc. provides equivalent functionality with active production status and improved electrical specifications, making it the appropriate substitute for new designs and system maintenance.