TE Connectivity 748873-1 D-Sub Connector Equivalent & Substitute Parts

Part Overview

The TE Connectivity 748873-1 is a 25-position D-Sub plug connector with right-angle solder termination, designed for through-hole mounting applications. This connector belongs to the AMPLIMITE HD-20 series and features male pins with gold-plated brass contacts rated for 6A at 125V operation across a temperature range of -55°C to 105°C.

The 748873-1 carries an obsolete product status, making identification of functionally equivalent alternatives necessary for ongoing system support, maintenance, and new design implementations where legacy compatibility is required.

Substiute Parts

748873-1

TE Connectivity AMP ConnectorsIn Stock: 1158748873-1 Datasheet

Current PartRFQ

5748873-1

TE Connectivity AMP ConnectorsIn Stock: 11375748873-1 Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the 748873-1 is determined by strict equivalence across all electrical and mechanical parameters. The substitute part must maintain identical specifications in the following critical areas:

Electrical Parameters: Connector type (plug with male pins), number of positions (25), shell size (3/DB/B), current rating (6A), voltage rating (125V), and operating temperature range (-55°C to 105°C).

Mechanical Parameters: Mounting configuration (through-hole, right-angle orientation), termination method (solder), contact material (brass), contact finish (gold at 30.0µin thickness), flange feature (housing/shell with 4-40 specification), and backset spacing (0.590"/14.99mm).

Series Designation: The substitute must belong to the AMPLIMITE HD-20 series to ensure design compatibility and interchangeability.

The 5748873-1 meets all these criteria and qualifies as a direct substitute. The primary distinction between the main part and its substitute relates to product status and regulatory compliance, not functional or mechanical characteristics.

Parameter Comparison

Engineering Selection Recommendations

The 5748873-1 serves as the direct functional equivalent to the obsolete 748873-1. Both connectors are manufactured by TE Connectivity within the AMPLIMITE HD-20 series and share identical electrical and mechanical specifications across all critical parameters.

Product Status Consideration: The 748873-1 is classified as obsolete, while the 5748873-1 maintains active product status. For new designs, system upgrades, and long-term supply chain planning, the 5748873-1 is the appropriate selection.

Regulatory Compliance: The 5748873-1 achieves ROHS3 compliance, whereas the 748873-1 is RoHS non-compliant. Applications subject to RoHS directives or requiring compliance documentation should specify the 5748873-1.

Packaging and Availability: The 5748873-1 is supplied in tray packaging with confirmed inventory availability. This packaging format supports automated assembly processes and bulk procurement workflows.

Functional Interchangeability: Both connectors maintain identical pin configurations, contact materials, termination methods, and electrical ratings. Existing PCB layouts, mating connector specifications, and system designs developed for the 748873-1 are fully compatible with the 5748873-1 without modification.

Frequently Asked Questions (FAQ)

Q: Can the 5748873-1 be used as a direct replacement for the 748873-1 in existing assemblies?

A: Yes. The 5748873-1 is functionally and mechanically identical to the 748873-1 across all electrical parameters, pin configuration, mounting orientation, and contact specifications. No design modifications are required for substitution.

Q: What is the primary difference between these two part numbers?

A: The 748873-1 is obsolete and RoHS non-compliant, while the 5748873-1 is an active product with ROHS3 compliance. All electrical and mechanical characteristics are identical.

Q: Are there any compatibility concerns when substituting the 5748873-1 for the 748873-1?

A: No compatibility concerns exist. Both connectors share the same shell size (3/DB/B), pin count (25), contact finish (gold), termination method (solder), and mounting configuration (through-hole, right-angle). Mating connectors and PCB footprints designed for the 748873-1 are fully compatible with the 5748873-1.

Q: Does the packaging format affect connector performance or specifications?

A: No. Packaging format (tray versus unspecified) does not affect electrical performance, mechanical fit, or functional characteristics. Packaging selection is determined by assembly process requirements and inventory management practices.

Q: What is the operating temperature range for both connectors?

A: Both the 748873-1 and 5748873-1 operate across the identical temperature range of -55°C to 105°C, supporting applications in industrial, automotive, and aerospace environments.

Q: Are both connectors rated for the same current and voltage?

A: Yes. Both connectors are rated for 6A current and 125V voltage, with identical contact materials (brass) and gold plating specifications (30.0µin/0.76µm thickness).

Q: Which part should be specified for new designs?

A: The 5748873-1 should be specified for new designs due to its active product status and ROHS3 compliance. This ensures long-term supply availability and regulatory alignment.