TE Connectivity Erni 153003 D-Sub Backshell Connector Equivalent & Substitute Parts

Part Overview

The TE Connectivity Erni 153003 is a 50-position D-Sub backshell connector with 180-degree cable exit configuration, designed for two-piece assembly applications. This component functions as a protective and strain relief housing for D-Sub connector systems. The part is classified as obsolete, necessitating identification of active equivalent components to maintain system compatibility and ensure continued availability for new designs and field replacements.

Substiute Parts

153003

TE Connectivity ErniIn Stock: 679153003 Datasheet

Current PartRFQ

5749193-2

TE Connectivity AMP ConnectorsIn Stock: 23965749193-2 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the TE Connectivity Erni 153003 is based on the following critical parameters that must align between the obsolete part and its active equivalent:

Primary Substitution Criteria:

• Number of Positions: 50-position configuration
• Cable Exit Angle: 180-degree orientation
• Connector Type: Two-piece backshell assembly
• Shielding: Shielded configuration
• Material Compatibility: Metal construction with appropriate plating

The TE Connectivity AMP Connectors part number 5749193-2 satisfies all substitution requirements. This part maintains identical functional specifications for the 50-position, 180-degree backshell application while offering active product status and full compliance certifications.

Parameter Comparison

Engineering Selection Recommendations

Primary Substitute: TE Connectivity AMP Connectors 5749193-2

The 5749193-2 is the direct functional equivalent for the obsolete TE Connectivity Erni 153003. Selection of this substitute is based on:

• Functional Equivalence: Identical 50-position, 180-degree backshell configuration
• Active Product Status: The 5749193-2 maintains active manufacturing status, ensuring long-term availability and supply chain continuity
• Compliance Certifications: RoHS Compliant designation meets current regulatory requirements
• Enhanced Inventory: 2326 units in stock provide superior availability compared to the obsolete part
• Series Compatibility: AMPLIMITE .050 III series designation confirms compatibility with standard D-Sub connector systems
• Material Specifications: Metal construction with Nickel over Copper plating provides equivalent environmental protection and electrical performance

For applications currently using the 153003, direct substitution with 5749193-2 requires no design modifications or system reconfiguration.

Frequently Asked Questions (FAQ)

Q: Can the TE Connectivity AMP 5749193-2 directly replace the obsolete 153003 in existing assemblies?

A: Yes. The 5749193-2 provides direct functional replacement. Both parts share identical specifications for 50-position configuration, 180-degree cable exit, two-piece backshell design, and shielded construction. No mechanical or electrical modifications are required.

Q: What are the key parameters that define substitution compatibility for this backshell connector?

A: Substitution compatibility is determined by: number of positions (50), cable exit angle (180°), backshell assembly type (two-piece), shielding configuration (shielded), and material construction (metal). The 5749193-2 matches all these parameters.

Q: Does the 5749193-2 meet current regulatory compliance standards?

A: Yes. The 5749193-2 is RoHS Compliant and carries EAR99 ECCN classification. These certifications confirm compliance with current environmental and export regulations.

Q: What is the difference in packaging between the obsolete and substitute parts?

A: The 153003 packaging specification is not provided in available documentation. The 5749193-2 is supplied in Bulk packaging format, which is standard for backshell connector components.

Q: Is there a difference in cable type compatibility?

A: The 5749193-2 is specified for Round cable type with 180-degree exit orientation. This represents standard configuration for 50-position D-Sub backshell applications.

Q: What hardware features are included with the 5749193-2?

A: The 5749193-2 includes Assembly Hardware and Strain Relief with Spring Lock features, providing secure cable retention and strain management for the connector assembly.

Q: Are there any compatibility restrictions with specific D-Sub connector sizes?

A: The 5749193-2 is compatible with Shell Size D and supports both 50-position and HD78-position D-Sub configurations, providing broad compatibility across standard D-Sub connector families.