TE Connectivity AMP Connectors 31891 Ring Terminal Equivalent & Substitute Parts

Part Overview

The TE Connectivity AMP Connectors 31891 is an insulated ring terminal connector designed for circular stud applications. This component is classified as a crimp-style terminal suitable for wire gauges 16-22 AWG with a #10 stud size. The part maintains Active product status and is RoHS Compliant, making it suitable for current industrial and commercial applications. Identification of equivalent substitute parts is necessary to ensure supply chain continuity, manage inventory optimization, and provide design flexibility when the primary part number becomes unavailable or when alternative sourcing is required.

Substiute Parts

31891

TE Connectivity AMP ConnectorsIn Stock: 1099031891 Datasheet

Current PartRFQ

94716

3MIn Stock: 391794716 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the TE Connectivity 31891 is determined by strict alignment of the following critical parameters:

Primary Substitution Criteria:

• Terminal Type: Circular configuration
• Stud/Tab Size: #10 Stud (mechanical compatibility requirement)
• Termination Method: Crimp (assembly process compatibility)
• Contact Material: Copper or Copper alloys (electrical conductivity requirement)
• Contact Finish: Tin (corrosion resistance and solderability)
• Insulation Type: Insulated (safety and isolation requirement)
• RoHS Compliance: Required for regulatory alignment

Wire Gauge Compatibility: The main part 31891 accommodates 16-22 AWG wire. Substitute parts must support wire gauges within or overlapping this range. A substitute part rated for 18-22 AWG is acceptable as it covers the upper portion of the primary range and maintains compatibility with the majority of intended applications within the overlapping gauge specification.

Physical Dimensions: Dimensional parameters including thickness, width, length, and insulation diameter are provided for reference but do not disqualify substitution when core electrical and mechanical parameters align. Minor dimensional variations are acceptable provided the stud size and terminal type remain constant.

The 3M 94716 meets all primary substitution criteria and is classified as an equivalent substitute for the TE Connectivity 31891.

Parameter Comparison

Engineering Selection Recommendations

Primary Part Selection: The TE Connectivity AMP Connectors 31891 remains the primary specification when available. This part is Active in product status with established supply chain presence (10,900 pieces in stock) and full RoHS Compliance certification.

Substitute Part Selection: The 3M 94716 is an approved equivalent substitute for the TE Connectivity 31891. Selection of the 3M 94716 is appropriate when:

• The primary part 31891 is unavailable or subject to extended lead times
• Supply chain requirements necessitate dual-source qualification
• Design specifications permit wire gauge accommodation within the 18-22 AWG range
• RoHS Compliance and EAR99 export classification requirements are maintained

Both parts maintain identical regulatory compliance status (RoHS Compliant, EAR99 classification, HTSUS 8536.90.4000) and identical Moisture Sensitivity Level (MSL 1 - Unlimited), ensuring no additional handling or storage requirements are introduced through substitution.

The 3M 94716 is currently in stock with 3,865 pieces available, providing immediate availability for component procurement.

Frequently Asked Questions (FAQ)

Q: Can the 3M 94716 be used as a direct replacement for the TE Connectivity 31891?

A: Yes. The 3M 94716 is an approved equivalent substitute. Both parts feature identical #10 stud size, circular terminal type, crimp termination method, copper contact material with tin finish, and insulated construction. Both are RoHS Compliant and carry identical ECCN and HTSUS classifications.

Q: What is the wire gauge difference between these parts?

A: The TE Connectivity 31891 accommodates 16-22 AWG wire, while the 3M 94716 accommodates 18-22 AWG wire. The 3M part covers the upper portion of the primary range. Applications requiring 16-17 AWG wire must use the TE Connectivity 31891. Applications using 18-22 AWG wire can use either part interchangeably.

Q: Are there any compliance or certification differences?

A: No. Both parts are RoHS Compliant, carry EAR99 export classification, and share identical HTSUS code 8536.90.4000. Both maintain MSL 1 (Unlimited) moisture sensitivity level, requiring no special handling differences.

Q: What are the physical dimension differences?

A: Minor dimensional variations exist. The 3M 94716 has slightly larger outer width (0.330" vs. 0.312") and overall length (0.890" vs. 0.844"), with a thinner profile (0.030" vs. 0.031"). These variations do not affect mechanical compatibility with #10 studs or functional performance in standard applications.

Q: Can these parts be mixed in the same assembly?

A: Yes. Both parts are mechanically and electrically compatible with #10 stud applications. Mixed usage within a single assembly does not introduce compatibility issues provided wire gauge requirements are met for each individual connection.

Q: What insulation material differences exist?

A: The TE Connectivity 31891 uses Vinyl insulation, while the 3M 94716 uses Polyamide (PA) Nylon insulation. Both materials provide adequate electrical isolation and insulation protection. Material selection should be based on specific environmental or temperature requirements of the application.

Q: Are there inventory considerations for substitution?

A: The TE Connectivity 31891 has higher current inventory (10,900 pieces) compared to the 3M 94716 (3,865 pieces). For large-volume requirements, the TE Connectivity part may offer better availability. For immediate or smaller-quantity needs, the 3M part provides alternative sourcing.