MH14-38RK Equivalent & Substitute Parts

Part Overview

The MH14-38RK is an insulated ring terminal connector manufactured by 3M under the Scotchlok™ series. This component is designed for 14-16 AWG wire applications with a 3/8 inch stud connection. The terminal features a circular design with crimp termination and polyolefin heat shrink insulation. As an active product with RoHS compliance and unlimited moisture sensitivity rating, this terminal is suitable for general electrical interconnection applications. Substitute parts are identified when equivalent electrical and mechanical parameters align with the original specification, ensuring functional compatibility in circuit applications.

Substiute Parts

MH14-38RK

3MIn Stock: 864MH14-38RK Datasheet

Current PartRFQ

PH14-38R-Q

Panduit CorpIn Stock: 1075PH14-38R-Q Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the MH14-38RK is determined by strict alignment of the following critical parameters:

• Terminal Type: Circular configuration required
• Wire Gauge: 14-16 AWG specification
• Stud/Tab Size: 3/8 inch stud connection
• Termination Method: Crimp termination
• Insulation: Heat shrink polyolefin insulation
• Contact Material: Copper with tin finish
• Mounting Type: Free hanging in-line configuration

The substitute part PH14-38R-Q (Panduit Corp, Pan-Term® series) meets all mandatory electrical and mechanical parameters. Both parts share identical wire gauge, stud size, termination method, insulation material, contact composition, and mounting configuration. Dimensional variations in outer width and overall length fall within acceptable tolerances for mechanical fit in standard terminal block and connector applications.

Parameter Comparison

Engineering Selection Recommendations

Both the MH14-38RK and PH14-38R-Q are active products with full regulatory compliance. The MH14-38RK carries RoHS compliance status and unlimited moisture sensitivity rating (MSL 1). The PH14-38R-Q carries ROHS3 compliance and is REACH unaffected. Both components share identical ECCN and HTSUS classifications, confirming equivalent regulatory treatment.

Selection between these parts should be based on supply chain availability, lead time requirements, and existing inventory management practices. The dimensional differences (outer width and overall length) are minor and do not affect functional performance in standard terminal block or connector applications where the 3/8 inch stud interface is the controlling dimension.

Frequently Asked Questions (FAQ)

Q: Can PH14-38R-Q replace MH14-38RK in all applications?

A: Yes, provided the application uses 14-16 AWG wire with a 3/8 inch stud connection and requires crimp termination with polyolefin heat shrink insulation. The minor dimensional differences do not affect functional compatibility in standard electrical interconnection circuits.

Q: What are the critical parameters that determine substitution eligibility?

A: Wire gauge (14-16 AWG), stud size (3/8 inch), terminal type (circular), termination method (crimp), insulation material (polyolefin heat shrink), contact material (copper with tin finish), and mounting configuration (free hanging in-line) must all match between the original and substitute part.

Q: Are there compliance differences between MH14-38RK and PH14-38R-Q?

A: Both parts are RoHS compliant and REACH unaffected. The MH14-38RK specifies RoHS compliance while PH14-38R-Q specifies ROHS3 compliance. Both carry identical ECCN (EAR99) and HTSUS (8536.90.4000) classifications.

Q: Do the dimensional differences affect mechanical fit?

A: The outer width difference (0.560" vs 0.530") and overall length difference (1.100" vs 1.240") are minor variations. The 3/8 inch stud interface is the controlling dimension for mechanical fit in terminal blocks and connectors. These dimensional variations do not prevent functional substitution.

Q: What is the moisture sensitivity level difference?

A: The MH14-38RK has MSL 1 (unlimited), while PH14-38R-Q lists MSL as not applicable. This indicates the Panduit part does not require moisture sensitivity precautions during storage and handling, making it potentially more robust for general warehouse and field conditions.