TE Connectivity 745653-1 D-Sub Backshell Connector Equivalent & Substitute Parts

Part Overview

The TE Connectivity 745653-1 is a 25-position two-piece backshell connector with 90° cable exit and shielding, designed for D-Sub applications. This component is classified as obsolete, necessitating identification of active equivalent parts to maintain design continuity and ensure long-term component availability. The backshell serves as a protective and strain-relief accessory for D-Sub connectors in the AMPLIMITE series, compatible with both 25-position and HD44-position D-Sub shells.

Substiute Parts

745653-1

TE Connectivity AMP ConnectorsIn Stock: 1222745653-1 Datasheet

Current PartRFQ

5745653-1

TE Connectivity AMP ConnectorsIn Stock: 8355745653-1 Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the TE Connectivity 745653-1 is determined by strict equivalence across the following critical parameters:

Mandatory Matching Parameters:

• Accessory Type: Two Piece Backshell
• Number of Positions: 25
• Compatible Shell Size: B
• Compatible D-Sub Size: 25pos and HD44pos
• Cable Exit: 90°
• Shielding: Shielded
• Cable Type: Round
• Material: Metal, Zinc Alloy
• Plating: Nickel over Copper
• Features: Slide Lock
• Color: Silver

The substitute part 5745653-1 maintains identical specifications across all these parameters, ensuring direct functional and mechanical compatibility. The primary distinction between the main part and its substitute is the product status transition from obsolete to active, along with improved compliance certifications.

Parameter Comparison

Engineering Selection Recommendations

The TE Connectivity 5745653-1 is the direct equivalent substitute for the obsolete 745653-1 backshell connector. Selection of the substitute part is based on the following engineering criteria:

Product Status: The 5745653-1 maintains active product status, ensuring continued availability and manufacturer support, whereas the 745653-1 is classified as obsolete and subject to discontinuation.

Compliance Certifications: The 5745653-1 achieves RoHS compliance, meeting regulatory requirements for restricted substances in electrical and electronic equipment. The original 745653-1 is RoHS non-compliant. Additionally, the 5745653-1 carries REACH Affected status, indicating compliance with European chemical safety regulations, whereas the 745653-1 has undefined REACH status.

Functional Equivalence: Both parts maintain identical mechanical and electrical specifications across all critical parameters, including connector geometry, shielding configuration, material composition, and cable exit orientation. This ensures direct interchangeability in existing designs without modification.

Packaging Consideration: The 5745653-1 is supplied in bulk packaging, whereas the original part packaging specification is not defined. Bulk packaging does not affect component functionality or performance.

Frequently Asked Questions (FAQ)

Q: Can the 5745653-1 directly replace the 745653-1 in existing designs?

A: Yes. The 5745653-1 is functionally and mechanically equivalent to the 745653-1 across all critical parameters, including position count, shell size compatibility, cable exit angle, shielding, material composition, and plating specification. Direct substitution is supported without design modification.

Q: What is the primary reason for substituting the 745653-1?

A: The 745653-1 is classified as obsolete, indicating discontinued production and limited future availability. The 5745653-1 is an active product with ongoing manufacturer support and supply continuity.

Q: Are there compliance differences between the two parts?

A: Yes. The 5745653-1 is RoHS compliant and REACH Affected, meeting current regulatory requirements for restricted substances and chemical safety. The 745653-1 is RoHS non-compliant with undefined REACH status. For applications subject to RoHS or REACH regulations, the 5745653-1 is the required selection.

Q: Do both parts share the same connector series and compatibility specifications?

A: Yes. Both parts belong to the TE Connectivity AMPLIMITE series and are compatible with 25-position and HD44-position D-Sub shells with Shell Size B. Cable exit orientation, shielding configuration, and mechanical features are identical.

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

A: The 745653-1 packaging specification is not defined in the available data. The 5745653-1 is supplied in bulk packaging. Packaging format does not affect component electrical or mechanical performance.

Q: Are the material and plating specifications identical?

A: Yes. Both parts use metal zinc alloy construction with nickel over copper plating, ensuring equivalent corrosion resistance, conductivity, and mechanical durability.

Q: What is the moisture sensitivity level for both parts?

A: Both parts carry MSL 1 (Unlimited), indicating no moisture sensitivity restrictions and no special storage or handling requirements.