TE Connectivity AMP Connectors 552725-3 D-Sub Receptacle Connector Equivalent & Substitute Parts

Part Overview

The TE Connectivity AMP Connectors 552725-3 is a 50-position D-Sub receptacle connector designed for panel mount, through-hole, right-angle solder termination applications. This connector features an outer shroud contact style with gold-plated contacts and tapped, threaded flanges (4-40). The 552725-3 is classified as obsolete, making identification of active equivalent parts essential for ongoing procurement and system maintenance. Substitute parts must maintain identical electrical and mechanical specifications to ensure direct interchangeability without circuit redesign or board modification.

Substiute Parts

552725-3

TE Connectivity AMP ConnectorsIn Stock: 992552725-3 Datasheet

Current PartRFQ

5552725-3

TE Connectivity AMP ConnectorsIn Stock: 12065552725-3 Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the obsolete 552725-3 is based on strict equivalence across all critical electrical and mechanical parameters. The substitute part 5552725-3 maintains identical specifications for connector type, position count, row configuration, mounting methodology, termination approach, contact style, flange threading, and series designation. Both parts are manufactured by TE Connectivity AMP Connectors and feature gold contact finish with unlimited moisture sensitivity rating.

The primary distinction between the main part and its substitute is product status and compliance certification. The 552725-3 is obsolete and RoHS non-compliant, while the 5552725-3 is active and ROHS3 compliant. The substitute part also specifies contact finish thickness at 30.0µin (0.76µm), whereas the main part lists flash thickness. Packaging differs, with the substitute supplied in tray format compared to the main part's unspecified packaging.

Substitution is valid when the following parameters are matched:

• 50-position, 2-row configuration
• Receptacle connector type with outer shroud contacts
• Panel mount, through-hole, right-angle orientation
• Solder termination
• Tapped, threaded 4-40 flange
• CHAMP .085 series designation
• Gold contact finish

Parameter Comparison

Engineering Selection Recommendations

The 5552725-3 serves as the direct active equivalent for the obsolete 552725-3. Selection of the substitute part is appropriate for new designs and ongoing production requiring 50-position D-Sub receptacle connectors with right-angle solder termination and panel mount configuration.

The substitute part 5552725-3 offers the advantage of active product status, ensuring continued availability and manufacturer support. Additionally, ROHS3 compliance of the 5552725-3 aligns with current environmental and regulatory requirements, whereas the main part 552725-3 does not meet RoHS standards.

Both parts carry identical electrical and mechanical specifications, including connector geometry, contact configuration, termination methodology, and flange design. The contact finish thickness specification provided for the substitute (30.0µin / 0.76µm) represents a defined gold plating thickness, whereas the main part specifies flash thickness. This distinction does not affect functional interchangeability for standard solder termination applications.

For applications requiring RoHS compliance or long-term component availability, the 5552725-3 is the appropriate selection. For legacy system maintenance where original specifications must be preserved, the 552725-3 remains functionally equivalent where inventory permits.

Frequently Asked Questions (FAQ)

Q: Can the 5552725-3 directly replace the 552725-3 in existing assemblies?

A: Yes. The 5552725-3 maintains identical electrical and mechanical specifications across all critical parameters, including connector type, position count, mounting configuration, termination method, and flange design. Direct substitution is valid without circuit modification or board redesign.

Q: What is the significance of the product status difference between these parts?

A: The 552725-3 is classified as obsolete, indicating discontinued manufacturing and limited future availability. The 5552725-3 is active, ensuring ongoing production, manufacturer support, and reliable procurement for current and future applications.

Q: How does RoHS compliance affect part selection?

A: The 552725-3 is RoHS non-compliant, while the 5552725-3 is ROHS3 compliant. For applications subject to RoHS regulations or customer requirements mandating environmental compliance, the 5552725-3 is the required selection. For legacy systems without compliance requirements, either part is functionally equivalent.

Q: What is the difference in contact finish specifications?

A: The 552725-3 specifies flash gold plating, while the 5552725-3 specifies 30.0µin (0.76µm) gold plating thickness. Both provide gold contact finish for reliable solder termination and electrical performance. The defined thickness specification of the substitute part represents standard manufacturing practice.

Q: Are packaging differences significant for component selection?

A: The 552725-3 packaging is unspecified, while the 5552725-3 is supplied in tray packaging. Packaging affects handling, storage, and logistics but does not impact electrical or mechanical performance. Component selection should be based on functional specifications rather than packaging format.

Q: Does the CHAMP .085 series designation apply to both parts?

A: Yes. Both the 552725-3 and 5552725-3 belong to the CHAMP .085 series, confirming mechanical and electrical compatibility within the TE Connectivity AMP Connectors product line.

Q: Are there any applications where the 552725-3 cannot be substituted with the 5552725-3?

A: No. The parts are functionally equivalent across all specified electrical and mechanical parameters. Substitution is valid for all applications requiring 50-position D-Sub receptacle connectors with the specified configuration.