L861-1J1C-D2 Equivalent & Substitute Parts

Part Overview

The L861-1J1C-D2 is a modular connector jack manufactured by Bel Fuse Inc., designed for 1000 Base-T applications. This component is classified as obsolete, making identification of suitable substitute parts essential for ongoing system maintenance and new design implementations. The MagJack® series connector provides standardized RJ45 jack functionality for Ethernet networking applications.

Substiute Parts

L861-1J1C-D2

Bel Fuse Inc.In Stock: 905L861-1J1C-D2 Datasheet

Current PartRFQ

L829-1J1T-43

Bel Fuse Inc.In Stock: 1123L829-1J1T-43 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

The L829-1J1T-43 qualifies as a direct substitute based on the following alignment of critical parameters:

• Manufacturer: Both parts are manufactured by Bel Fuse Inc., ensuring consistent design standards and quality control
• Series: Both belong to the MagJack® product line
• Application: Both support 1000 Base-T Ethernet connectivity
• Port Configuration: Both provide single-port RJ45 jack functionality
• Compliance: Both maintain REACH Unaffected status and equivalent regulatory positioning
• Moisture Sensitivity: Both are classified as Not Applicable for MSL

The L829-1J1T-43 is an active product with current manufacturing status, providing supply continuity for the obsolete L861-1J1C-D2.

Parameter Comparison

Engineering Selection Recommendations

The L829-1J1T-43 is the designated substitute for the obsolete L861-1J1C-D2. Selection of this active product ensures:

• Continued access to MagJack® series components from the original manufacturer
• Maintained compliance with REACH regulations and equivalent regulatory status
• Sustained supply availability through current manufacturing channels
• Functional equivalence for 1000 Base-T Ethernet jack applications

The transition from the obsolete L861-1J1C-D2 to the active L829-1J1T-43 is supported by shared manufacturer lineage, identical series designation, and aligned application requirements.

Frequently Asked Questions (FAQ)

Q: Why is the L861-1J1C-D2 no longer available? A: The L861-1J1C-D2 has reached end-of-life status and is classified as obsolete. The L829-1J1T-43 is the active replacement within the MagJack® product line.

Q: Are both parts manufactured by the same company? A: Yes. Both the L861-1J1C-D2 and L829-1J1T-43 are manufactured by Bel Fuse Inc., ensuring consistent design standards and quality protocols.

Q: What is the primary difference between these parts? A: The L829-1J1T-43 is an active product with specified mounting type (Through Hole) and detailed electrical characteristics, while the L861-1J1C-D2 is obsolete with limited parameter documentation.

Q: Do both parts support the same Ethernet standard? A: Yes. Both parts are designed for 1000 Base-T applications and provide single-port RJ45 jack functionality.

Q: What packaging is available for the substitute part? A: The L829-1J1T-43 is supplied in Tray packaging.

Q: Are there any compliance differences between the parts? A: No. Both parts maintain REACH Unaffected status and equivalent regulatory positioning. The L829-1J1T-43 is additionally specified as ROHS3 Compliant.