TE Connectivity AMP Connectors 4-2120875-1 Equivalent & Substitute Parts

Part Overview

The TE Connectivity AMP Connectors 4-2120875-1 is a modular coupler plug/jack connector with 8p8c (RJ45) configuration rated for Cat5e applications. This component functions as a jack-to-jack coupler, enabling connection between two RJ45 jack connectors in panel mount configurations with square flange mounting. The part is classified as obsolete, necessitating identification of equivalent substitute components for ongoing procurement and system integration requirements.

Substiute Parts

4-2120875-1

TE Connectivity AMP ConnectorsIn Stock: 10324-2120875-1 Datasheet

Current PartRFQ

1-2120871-1

TE Connectivity AMP ConnectorsIn Stock: 9811-2120871-1 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the 4-2120875-1 is determined by the following critical parameters:

Connector Interface Compatibility: Both the main part and substitute must maintain jack-to-jack (8p8c RJ45) configuration to ensure mechanical and electrical compatibility with existing system infrastructure.

Mounting Configuration: Panel mount capability is required to maintain installation compatibility with existing enclosure designs.

Electrical Rating Compatibility: The substitute part must support the same or higher category rating. Cat5e-rated components can be substituted with Cat6a-rated components due to backward compatibility of higher-category specifications.

Regulatory Compliance: RoHS compliance status must be maintained for environmental and regulatory adherence.

The substitute part 1-2120871-1 meets these criteria through equivalent jack-to-jack connector interfaces, panel mount configuration, higher category rating (Cat6a), and maintained RoHS compliance status.

Parameter Comparison

Engineering Selection Recommendations

Primary Consideration - Obsolescence Status: Both the main part 4-2120875-1 and substitute part 1-2120871-1 are classified as obsolete. Component selection must account for available inventory levels and long-term procurement viability.

Regulatory Compliance: Both parts maintain RoHS compliance and identical ECCN/HTSUS classifications, ensuring regulatory equivalence for procurement and export documentation purposes.

Performance Upgrade Path: The substitute part 1-2120871-1 provides enhanced electrical performance through Cat6a rating and shielded construction compared to the Cat5e unshielded specification of the main part. This represents a performance upgrade path suitable for applications requiring higher bandwidth capacity or improved electromagnetic interference rejection.

Environmental Protection: The substitute part includes IP67 ingress protection rating, providing enhanced environmental sealing compared to the main part. This specification difference should be evaluated against application environmental requirements.

Inventory Availability: Current inventory levels indicate 974 units of the main part and 961 units of the substitute part are available as new original stock, supporting near-term procurement requirements.

Frequently Asked Questions (FAQ)

Q: Can the 1-2120871-1 directly replace the 4-2120875-1 in existing installations?

A: Yes. Both parts maintain identical jack-to-jack (8p8c RJ45) connector interfaces and panel mount configurations. The substitute part's higher Cat6a rating and shielded construction are backward compatible with Cat5e system requirements.

Q: What is the difference between a coupler and an adapter in this product category?

A: Both components function as jack-to-jack connectors for panel mount applications. The primary functional difference lies in additional features: the substitute part 1-2120871-1 includes mounting hardware and enhanced environmental protection (IP67 rating) compared to the main part.

Q: Are there any compliance or certification differences between these parts?

A: No. Both parts maintain identical RoHS compliance status, ECCN classification (EAR99), and HTSUS codes (8536.69.8000), ensuring regulatory equivalence for procurement and international trade purposes.

Q: Why does the substitute part have a higher category rating?

A: The 1-2120871-1 is rated for Cat6a, which represents a higher performance specification than the Cat5e rating of the main part. Cat6a components are backward compatible with Cat5e applications and provide enhanced bandwidth capacity and signal integrity for future system upgrades.

Q: What does the IP67 rating on the substitute part indicate?

A: IP67 classification indicates dust-tight and waterproof environmental protection. This specification is present on the substitute part 1-2120871-1 but not specified for the main part 4-2120875-1. Applications requiring enhanced environmental sealing should consider this parameter difference.

Q: Are both parts still available for procurement?

A: Both parts are classified as obsolete. However, current inventory indicates 974 units of the main part and 961 units of the substitute part are available as new original stock from TE Connectivity AMP Connectors.