TE Connectivity AMP Connectors 556039-1 Equivalent & Substitute Parts

Part Overview

The TE Connectivity AMP Connectors 556039-1 is a 50 Position Plug Connector with free hanging (in-line) mounting and IDC termination. This connector belongs to the CHAMP .085 series and features center strip contacts with gold-plated contact finish. The part is classified as obsolete, necessitating identification of active equivalent alternatives to maintain design continuity and ensure ongoing component availability for production and field service applications.

Substiute Parts

556039-1

TE Connectivity AMP ConnectorsIn Stock: 1149556039-1 Datasheet

Current PartRFQ

552390-1

TE Connectivity AMP ConnectorsIn Stock: 790552390-1 Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the obsolete 556039-1 is based on strict electrical and mechanical parameter equivalence within the D-Sub, D-Shaped Connectors category. The substitute part must satisfy all of the following criteria:

• Connector Configuration: 50 positions, 2 rows, center strip contacts
• Connector Type: Plug with free hanging (in-line) mounting
• Termination Method: IDC (Insulation Displacement Contact)
• Contact Specifications: Gold finish at 30.0µin (0.76µm) thickness
• Mechanical Interface: Housing/Shell with 4-40 flange feature
• Series Compatibility: CHAMP .085 series
• Environmental Classification: MSL 1 (Unlimited moisture sensitivity level)
• Regulatory Compliance: ROHS3 compliance and EAR99 export classification

The substitute part 552390-1 meets all specified parameters and is classified as active product status, providing a direct functional and mechanical replacement.

Parameter Comparison

Engineering Selection Recommendations

The substitute part TE Connectivity AMP Connectors 552390-1 is the direct equivalent for the obsolete 556039-1. Selection of 552390-1 is based on the following engineering factors:

Product Status: The 552390-1 is classified as active product, ensuring continued availability and manufacturing support. The 556039-1 is obsolete and subject to discontinuation of supply.

Electrical and Mechanical Equivalence: All functional parameters are identical between the two parts, including connector configuration, termination method, contact specifications, and mechanical interface dimensions.

Regulatory Compliance: Both parts carry EAR99 export classification and identical HTSUS coding. The 552390-1 maintains the same environmental classification (MSL 1) as the original part.

Packaging Consideration: The 552390-1 is supplied in tray packaging, whereas the original part packaging is not specified. This packaging difference does not affect electrical or mechanical performance.

Frequently Asked Questions (FAQ)

Q: Can 552390-1 be used as a direct replacement for 556039-1 in existing designs?

A: Yes. The 552390-1 is electrically and mechanically equivalent to 556039-1. All connector parameters, including position count, row configuration, contact finish, termination method, and mechanical interface, are identical.

Q: What is the primary reason for substitution?

A: The 556039-1 is classified as obsolete product. The 552390-1 is the active equivalent that provides identical functionality and maintains design compatibility.

Q: Are there any differences in contact specifications between the two parts?

A: No. Both parts feature gold-plated contacts with 30.0µin (0.76µm) finish thickness and identical center strip contact configuration.

Q: Does the packaging difference affect component performance?

A: No. The 552390-1 is supplied in tray packaging while the original part packaging is not specified. Packaging format does not affect electrical or mechanical performance of the connector.

Q: Are both parts compliant with the same regulatory standards?

A: Yes. Both parts carry identical ECCN (EAR99) and HTSUS (8536.69.4051) classifications and maintain the same MSL rating of 1 (Unlimited).

Q: What is the inventory status of the substitute part?

A: The 552390-1 has 750 pieces of new original stock available, providing adequate supply for production and service applications.

Q: Are there any mechanical interface differences between the parts?

A: No. Both parts feature identical Housing/Shell flange with 4-40 mounting specification and free hanging (in-line) mounting configuration.