3M 40137 Scotchlok™ Aluminum Two Hole Lug - Equivalent & Substitute Parts

Part Overview

The 3M 40137 is a Scotchlok™ aluminum rectangular lug terminal designed for grounding applications with 2/0 AWG wire and 1/2 inch stud mounting. This non-insulated, crimp-barrel terminal is rated for free-hanging in-line installation and maintains active product status with full RoHS and REACH compliance. Substitute parts are identified when equivalent electrical and mechanical parameters are required due to inventory constraints, application-specific requirements, or component availability changes.

Substiute Parts

40137

3MIn Stock: 391440137 Datasheet

Current PartRFQ

LAB2/0-12-5

Panduit CorpIn Stock: 1111LAB2/0-12-5 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

The Panduit Corp LAB2/0-12-5 qualifies as a substitute for the 3M 40137 based on the following critical parameters:

• Wire gauge compatibility: Both rated for 2/0 AWG
• Stud size equivalence: Both specify 1/2 stud mounting
• Barrel dimensions: Identical barrel ID (0.439") and barrel OD (0.687")
• Termination method: Both use crimp, barrel termination
• Mounting configuration: Both are free-hanging in-line terminals
• Contact material: Both utilize aluminum construction
• Insulation class: Both are non-insulated

The LAB2/0-12-5 differs in terminal style (rectangular tongue versus lug configuration) and includes gel-filled features with tin contact finish, representing functional equivalence within the specified electrical and mechanical constraints.

Parameter Comparison

Engineering Selection Recommendations

The 3M 40137 remains the primary selection for new designs and applications requiring active product status with continuous manufacturer support. The Panduit LAB2/0-12-5 serves as a functional equivalent when the 3M 40137 is unavailable, provided that the rectangular tongue terminal style is compatible with the application's mechanical interface requirements. Both parts maintain equivalent RoHS and REACH compliance certifications. The LAB2/0-12-5 discontinuation status at DiGi Electronics should be considered for long-term supply chain planning. Dimensional tolerances between the two parts (length and width variations within 0.050 inches) fall within standard engineering margins for terminal applications.

Frequently Asked Questions (FAQ)

Q: Can the Panduit LAB2/0-12-5 be used as a direct replacement for the 3M 40137?

A: The LAB2/0-12-5 is electrically and mechanically equivalent based on wire gauge, stud size, barrel dimensions, and termination method. The primary difference is terminal style (rectangular tongue versus lug). Compatibility depends on whether the application's mechanical interface accommodates the rectangular tongue configuration.

Q: What are the critical parameters for substitution between these parts?

A: Wire gauge (2/0 AWG), stud size (1/2 inch), barrel ID (0.439 inches), barrel OD (0.687 inches), and termination method (crimp, barrel) must remain constant. These parameters ensure electrical conductivity and mechanical fit within the assembly.

Q: Are both parts RoHS and REACH compliant?

A: Yes. The 3M 40137 is RoHS Compliant and REACH Unaffected. The Panduit LAB2/0-12-5 is ROHS3 Compliant and REACH Unaffected. Both meet current regulatory requirements.

Q: What is the significance of the LAB2/0-12-5 discontinuation status?

A: The LAB2/0-12-5 is discontinued at DiGi Electronics, indicating limited future availability through standard distribution channels. For applications requiring long-term supply assurance, the active 3M 40137 is the preferred selection.

Q: How do the dimensional differences affect substitution?

A: Overall length differs by 0.050 inches (140.97mm versus 139.70mm) and width by 0.002 inches (23.88mm versus 23.83mm). These variations are within standard mechanical tolerances for terminal applications and do not affect electrical performance or stud interface compatibility.

Q: What packaging considerations apply to these parts?

A: The 3M 40137 is supplied in box packaging with 3891 pieces in stock. The Panduit LAB2/0-12-5 is supplied in bulk packaging with 1046 pieces in stock. Packaging format may influence procurement and handling procedures.