TE Connectivity AMP Connectors 557101-9 Equivalent & Substitute Parts

Part Overview

The TE Connectivity AMP Connectors 557101-9 is a 50 Position Receptacle Connector Board to Board Through Hole, Right Angle Solder configuration. This connector belongs to the CHAMP .050 I series and features outer shroud contacts with board lock functionality. The part is classified as obsolete, necessitating identification of active equivalent alternatives to maintain design continuity and ensure supply chain availability for new production and repair applications.

Substiute Parts

557101-9

TE Connectivity AMP ConnectorsIn Stock: 702557101-9 Datasheet

Current PartRFQ

1734037-5

TE Connectivity AMP ConnectorsIn Stock: 37501734037-5 Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the obsolete 557101-9 connector is based on strict electrical and mechanical parameter alignment. The substitute part 1734037-5 maintains functional equivalence through identical specifications in the following critical parameters:

• Connector Type: Receptacle
• Number of Positions: 50
• Number of Rows: 2
• Mounting Type: Through Hole, Right Angle
• Termination Method: Solder
• Connector Style: Outer Shroud Contacts
• Type: Board to Board
• Features: Board Lock
• Contact Finish: Gold
• Series: CHAMP .050 I

The substitute part 1734037-5 is classified as Active product status, ensuring ongoing availability and manufacturing support. This substitution maintains full mechanical and electrical compatibility with existing board designs and assembly processes.

Parameter Comparison

Engineering Selection Recommendations

The substitute part 1734037-5 is the direct equivalent for the obsolete 557101-9 connector. Selection of 1734037-5 is supported by the following factors:

Product Status: The substitute part maintains Active product status, ensuring continued manufacturing support and supply chain availability. The main part 557101-9 is classified as Obsolete and should not be selected for new designs or production applications.

Regulatory Compliance: The substitute part 1734037-5 is ROHS3 Compliant and REACH Unaffected, meeting current environmental and regulatory requirements. The main part 557101-9 is RoHS non-compliant and has Vendor Undefined REACH status, presenting compliance risks for new applications.

Functional Equivalence: Both parts maintain identical electrical and mechanical specifications across all critical parameters, including connector type, position count, mounting configuration, termination method, and contact finish. This ensures direct compatibility with existing board designs and assembly processes without design modification.

Packaging: The substitute part 1734037-5 is supplied in Tray packaging, suitable for automated assembly operations and high-volume production environments.

Frequently Asked Questions (FAQ)

Q: Can 1734037-5 be used as a direct replacement for 557101-9 in existing designs?

A: Yes. The substitute part 1734037-5 maintains identical electrical and mechanical specifications across all critical parameters, including connector type, position count, mounting type, termination method, and contact finish. No design modification is required for direct substitution.

Q: What is the primary reason for substituting 557101-9?

A: The main part 557101-9 is classified as Obsolete. The substitute part 1734037-5 is Active product status, ensuring ongoing availability and manufacturing support for production and repair applications.

Q: Are there compliance differences between the two parts?

A: Yes. The substitute part 1734037-5 is ROHS3 Compliant and REACH Unaffected, meeting current environmental regulations. The main part 557101-9 is RoHS non-compliant with Vendor Undefined REACH status. For new designs and applications subject to regulatory requirements, 1734037-5 is the appropriate selection.

Q: Do both parts have the same contact finish specifications?

A: Both parts feature Gold contact finish. The main part 557101-9 specifies 30.0µin (0.76µm) contact finish thickness. The substitute part 1734037-5 specifies Flash contact finish thickness. Both finishes provide equivalent electrical performance for the connector application.

Q: What is the packaging difference between the two parts?

A: The main part 557101-9 packaging is not specified. The substitute part 1734037-5 is supplied in Tray packaging, suitable for automated assembly and high-volume production environments.

Q: Are the moisture sensitivity levels identical?

A: Yes. Both parts are classified as Moisture Sensitivity Level (MSL) 1 (Unlimited), indicating no moisture sensitivity restrictions for storage or handling.

Q: Can 1734037-5 be used in applications where 557101-9 was previously specified?

A: Yes. The substitute part maintains full mechanical and electrical compatibility with existing board designs and assembly processes. The identical CHAMP .050 I series designation, connector configuration, and contact specifications ensure functional equivalence in all applications where 557101-9 was used.