TE Connectivity AMP Connectors 54739-1 Equivalent & Substitute Parts

Part Overview

The TE Connectivity AMP Connectors 54739-1 is a ring terminal connector designed for 8 AWG wire gauge applications with a #10 stud circular configuration. This component features crimp termination with serrated contact surfaces and insulated vinyl construction in red. The part is classified as obsolete, necessitating identification of active equivalent alternatives for ongoing procurement and system maintenance.

Substiute Parts

54739-1

TE Connectivity AMP ConnectorsIn Stock: 75054739-1 Datasheet

Current PartRFQ

324043

TE Connectivity AMP ConnectorsIn Stock: 2066324043 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the obsolete 54739-1 is based on electrical and mechanical compatibility across core functional parameters. The substitute part TE Connectivity AMP Connectors 324043 maintains equivalence in the following critical specifications:

Wire gauge compatibility at 8 AWG ensures proper current-carrying capacity and conductor fit within the crimp barrel. Circular terminal type and #10 stud size provide mechanical interchangeability at connection points. Crimp termination method, copper contact material with tin finish, and serrated termination features preserve electrical performance and connection reliability. Insulated construction with identical moisture sensitivity level (MSL 1) confirms environmental performance parity.

Dimensional variations in thickness, width, length, and insulation diameter are within acceptable mechanical tolerances for free-hanging in-line mounting applications. Insulation material change from vinyl to polyamide (nylon) represents an upgrade in material performance without affecting functional compatibility.

Parameter Comparison

Engineering Selection Recommendations

The TE Connectivity AMP Connectors 324043 serves as the active equivalent for the obsolete 54739-1. Selection of the 324043 is supported by the following engineering factors:

Product Status: The 324043 maintains active product status, ensuring continued availability and manufacturing support. The 54739-1 is obsolete and subject to supply discontinuation.

Regulatory Compliance: The 324043 achieves ROHS3 compliance, meeting current environmental and hazardous substance restrictions. The 54739-1 is non-compliant with modern regulatory standards.

Functional Equivalence: Both parts maintain identical electrical specifications across wire gauge, terminal configuration, contact materials, and termination method. Mechanical dimensions fall within acceptable tolerance ranges for free-hanging in-line mounting applications.

Material Enhancement: The polyamide nylon insulation of the 324043 provides superior chemical and thermal resistance compared to vinyl, representing a material upgrade without functional compromise.

Frequently Asked Questions (FAQ)

Q: Can the 324043 directly replace the 54739-1 in existing assemblies?

A: Yes. Both parts share identical wire gauge (8 AWG), terminal type (circular), stud size (#10), termination method (crimp), contact material (copper with tin finish), and serrated termination features. Dimensional variations are within acceptable mechanical tolerances for free-hanging in-line mounting.

Q: What is the significance of the insulation material change from vinyl to polyamide?

A: Polyamide (nylon) insulation provides enhanced chemical resistance, improved thermal stability, and superior mechanical durability compared to vinyl. This represents a material upgrade that maintains functional compatibility while improving long-term performance characteristics.

Q: Why is the 54739-1 listed as obsolete?

A: Obsolete status indicates the manufacturer has discontinued production and support for this part. The 324043 is the active equivalent maintained in current production.

Q: Are there packaging differences between these parts?

A: The 54739-1 is listed with unspecified packaging, while the 324043 is supplied in bulk packaging. Bulk packaging is standard for active production components.

Q: Does the RoHS compliance difference affect substitution?

A: The 324043 ROHS3 compliance satisfies current regulatory requirements for electronic components in most jurisdictions. The non-compliant status of the 54739-1 may restrict its use in new designs or regulated applications.

Q: Are the dimensional differences significant for mechanical fit?

A: Dimensional variations (thickness 0.040" vs 0.039", width 0.431" vs 0.375", length 1.402" vs 1.315", insulation diameter 0.256" vs 0.296") are minor and fall within acceptable mechanical tolerances for terminal applications. These differences do not affect functional compatibility in standard mounting configurations.

Q: What is the moisture sensitivity level, and does it differ between parts?

A: Both parts carry MSL 1 (Unlimited), indicating no moisture sensitivity restrictions. Storage and handling requirements are identical for both components.