TE Connectivity AMP Connectors 54575-1 Equivalent & Substitute Parts

Part Overview

The TE Connectivity AMP Connectors 54575-1 is a ring terminal connector designed for 8 AWG wire applications with an 8 stud circular configuration. This component features crimp termination, insulated construction with vinyl material, and tin-plated copper contacts. The part is classified as obsolete, necessitating identification of active equivalent alternatives for ongoing procurement and system maintenance. Substitute parts must maintain compatibility across wire gauge, termination method, contact material, and mounting configuration to ensure functional equivalence in circuit applications.

Substiute Parts

54575-1

TE Connectivity AMP ConnectorsIn Stock: 91454575-1 Datasheet

Current PartRFQ

55654-1

TE Connectivity AMP ConnectorsIn Stock: 849555654-1 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the 54575-1 is determined by strict alignment with the following critical parameters:

Mandatory Compatibility Parameters:

• Wire Gauge: 8 AWG (electrical specification)
• Termination Method: Crimp (mechanical attachment requirement)
• Contact Material: Copper with Tin Finish (conductivity and corrosion resistance)
• Insulation: Insulated construction (electrical isolation)
• Mounting Type: Free Hanging (In-Line), Right Angle (installation configuration)
• Thickness: 0.040" (1.02mm) (contact geometry)
• Features: Serrated Termination (wire grip functionality)

Allowable Variation Parameters:

• Stud/Tab Size: Variation permitted based on circuit board or connector receptacle design requirements
• Insulation Material: Variation permitted (Vinyl to PVC) provided electrical isolation properties are maintained
• Width - Outer Edges: Variation permitted within mechanical envelope constraints
• Insulation Diameter: Variation permitted based on wire jacket specifications
• Product Status: Active status preferred for ongoing availability
• Compliance Certifications: Enhanced compliance (RoHS3) acceptable for substitution

The substitute part 55654-1 maintains all mandatory compatibility parameters while introducing allowable variations in stud size (10 vs. 8), insulation material composition (PVC vs. Vinyl), and compliance certifications.

Parameter Comparison

Engineering Selection Recommendations

Primary Selection Criterion: Product Status

The 54575-1 carries obsolete status, indicating discontinued manufacturing and limited inventory availability. The substitute part 55654-1 maintains active product status with significantly higher inventory levels (8474 pieces versus 864 pieces), ensuring long-term procurement viability and supply chain continuity.

Compliance and Certification Advantage

The 55654-1 provides ROHS3 compliance certification, whereas the 54575-1 lists RoHS status as not applicable. This compliance enhancement aligns with current regulatory requirements for electronic component procurement in regulated industries and export markets.

Moisture Sensitivity Level

The 55654-1 specifies MSL 1 (Unlimited), indicating superior moisture tolerance compared to the 54575-1 (Not Applicable). This specification provides enhanced reliability in humid storage and operational environments.

Mechanical Compatibility Considerations

The stud size variation (10 vs. 8) and insulation diameter increase (0.360" vs. 0.298") require verification against specific circuit board receptacle specifications and wire jacket dimensions. These parameters must be confirmed compatible with the target application before final component selection.

Material Composition

The insulation material transition from Vinyl to PVC (Poly-Vinyl Chloride) in the substitute part provides equivalent electrical isolation with enhanced chemical resistance properties. This material change does not compromise functional performance for standard 8 AWG crimp terminal applications.

Frequently Asked Questions (FAQ)

Q: Can the 55654-1 substitute directly for the 54575-1 in all applications?

A: The 55654-1 maintains compatibility across all critical electrical and termination parameters (wire gauge, crimp method, contact material, insulation type). However, the stud size increase (10 vs. 8) and insulation diameter variation (0.360" vs. 0.298") require verification against specific circuit board receptacle hole sizes and wire jacket specifications. Mechanical fit confirmation is necessary before deployment.

Q: What is the significance of the stud size difference between these parts?

A: Stud size determines the diameter of the circular ring opening and the receptacle hole compatibility. The 54575-1 features an 8 stud configuration, while the 55654-1 provides a 10 stud configuration. Selection depends on the target mounting receptacle specifications. Verify receptacle hole diameter requirements before substitution.

Q: Does the insulation material change from Vinyl to PVC affect electrical performance?

A: Both Vinyl and PVC provide equivalent electrical isolation properties for 8 AWG crimp terminal applications. The PVC material in the 55654-1 offers enhanced chemical resistance and moisture tolerance. This material change does not compromise electrical performance or safety characteristics.

Q: Why is the 55654-1 preferred despite the stud size difference?

A: The 55654-1 offers three significant advantages: (1) Active product status ensuring ongoing availability, (2) ROHS3 compliance certification, and (3) MSL 1 rating for superior moisture tolerance. These factors provide superior long-term supply chain reliability and regulatory compliance compared to the obsolete 54575-1.

Q: Are there any wire gauge or termination method differences between these parts?

A: No. Both parts are specified for 8 AWG wire gauge and crimp termination. These critical electrical parameters are identical, ensuring functional equivalence in wire attachment and current-carrying capacity.

Q: What inventory considerations apply to these parts?

A: The 54575-1 has 864 pieces in stock (obsolete status), while the 55654-1 has 8474 pieces available (active status). For new designs or long-term production requirements, the 55654-1 provides superior procurement security and availability.

Q: How do the contact material specifications compare?

A: Both parts feature copper contacts with tin finish. This identical specification ensures equivalent electrical conductivity, corrosion resistance, and contact reliability across both components.

Q: What packaging differences exist between these parts?

A: The 54575-1 packaging is unspecified in available documentation. The 55654-1 is supplied in bulk packaging, which typically provides cost advantages for high-volume procurement applications.