Equivalent & Substitute Parts for Bel Fuse Inc. 1840879-2

Part Overview

The Bel Fuse Inc. 1840879-2 is a modular connector jack classified as a 1000 BASE-T port connector. This component is currently listed with obsolete product status, indicating it is no longer in active production or support. Due to its obsolete classification, sourcing replacement units from original inventory becomes increasingly difficult. Identifying functionally equivalent substitute parts ensures continuity in system design, maintenance, and repair operations where this connector type is specified.

Substiute Parts

1840879-2

Bel Fuse Inc.In Stock: 9011840879-2 Datasheet

Current PartRFQ

L836-1JX1-43

Bel Fuse Inc.In Stock: 783L836-1JX1-43 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

The substitute part L836-1JX1-43 from Bel Fuse Inc. is identified as a functional equivalent based on the following substitution criteria:

Primary Substitution Parameters:

• Manufacturer alignment: Both parts are manufactured by Bel Fuse Inc.
• Connector category: Both are modular connectors
• Application compatibility: Both support 1000 BASE-T networking applications
• Regulatory compliance: Both maintain REACH Unaffected status
• Moisture sensitivity: Substitute part MSL classification (Not Applicable) is compatible with the original MSL 1 rating

The L836-1JX1-43 is an active product offering from the same manufacturer, providing direct functional replacement capability for the obsolete 1840879-2 connector jack.

Parameter Comparison

Engineering Selection Recommendations

The L836-1JX1-43 is the recommended substitute for the obsolete 1840879-2 based on the following factors:

• Product Status Alignment: The substitute part maintains active product status, ensuring ongoing availability and manufacturer support.
• Regulatory Compliance: Both parts maintain REACH Unaffected status, confirming compliance with current regulatory requirements.
• Manufacturer Continuity: Selection from the same manufacturer (Bel Fuse Inc.) ensures design consistency and technical compatibility within the modular connector product line.
• Application Compatibility: The substitute part explicitly supports 1000 BASE-T networking applications, matching the functional requirement of the original part.

Frequently Asked Questions (FAQ)

Q: Why is the 1840879-2 listed as obsolete? A: The 1840879-2 has reached end-of-life status and is no longer manufactured or supported by Bel Fuse Inc. Obsolete classification indicates the part is no longer available through standard distribution channels.

Q: Can the L836-1JX1-43 directly replace the 1840879-2 in existing designs? A: The L836-1JX1-43 is functionally equivalent for 1000 BASE-T applications. However, design verification is necessary to confirm mechanical fit, mounting compatibility, and electrical integration within your specific application.

Q: What is the difference between MSL 1 and Not Applicable? A: MSL 1 (Unlimited) indicates the component has no moisture sensitivity restrictions during storage and handling. Not Applicable indicates the substitute part does not require MSL classification, which is compatible with the original specification.

Q: Are both parts REACH compliant? A: Both parts maintain REACH Unaffected status, confirming they do not contain substances of very high concern (SVHC) listed under REACH regulations.

Q: What mounting differences exist between these parts? A: The substitute part L836-1JX1-43 specifies Through Hole mounting with solder termination. The original part 1840879-2 does not provide mounting type specification in available documentation.