RV10-38Q Ring Terminal Connector Equivalent & Substitute Parts

Part Overview

The RV10-38Q is a ring terminal connector manufactured by 3M, designed for 10-12 AWG wire applications with a 3/8" stud connection. This insulated circular terminal features a crimp termination method and is constructed from copper (ETP) with tin finish and vinyl insulation. The product is currently discontinued at DiGi Electronics, necessitating identification of functionally equivalent alternatives for ongoing applications requiring this connector type.

Substiute Parts

RV10-38Q
3MIn Stock: 1019RV10-38Q Datasheet
RV10-38Q
Current Part
MVU10-38R/SK
3MIn Stock: 1412MVU10-38R/SK Datasheet
MVU10-38R/SK
MFR Recommended

Key Parameters

Parameter Value
Terminal Type Circular
Stud/Tab Size 3/8 Stud
Wire Gauge 10-12 AWG
Termination Method Crimp
Insulation Type Insulated (Vinyl)
Contact Material Copper, ETP
Contact Finish Tin
Thickness 0.040" (1.02mm)
Insulation Diameter 0.250" (6.35mm)
Mounting Type Free Hanging (In-Line)

Substitute Part Grouping Explanation

Substitution of the RV10-38Q is determined by strict equivalence across the following critical parameters:

  • Terminal Type & Stud Size: Must be circular terminal with 3/8" stud to ensure mechanical compatibility with existing fastening points
  • Wire Gauge Rating: Must accommodate 10-12 AWG wire to maintain proper crimp contact area and electrical performance
  • Termination Method: Must be crimp-type to ensure compatibility with existing assembly processes and tooling
  • Insulation Specification: Must be insulated vinyl construction matching the original electrical isolation requirements
  • Contact Material & Finish: Copper ETP with tin finish ensures equivalent electrical conductivity and corrosion resistance
  • Physical Dimensions: Thickness, width, and length must remain within specified tolerances to fit existing mounting configurations

The MVU10-38R/SK meets all these criteria and qualifies as a direct substitute.

Parameter Comparison

Parameter RV10-38Q (Original) MVU10-38R/SK (Substitute)
Manufacturer 3M 3M
Terminal Type Circular Circular
Stud/Tab Size 3/8 Stud 3/8 Stud
Wire Gauge 10-12 AWG 10-12 AWG
Termination Crimp Crimp
Insulation Insulated (Vinyl) Insulated (Vinyl)
Contact Material Copper, ETP Copper, ETP
Contact Finish Tin Tin
Thickness 0.040" (1.02mm) 0.040" (1.02mm)
Width - Outer Edges 0.530" (13.46mm) 0.540" (13.72mm)
Length - Overall 1.260" (32.00mm) 1.260" (32.00mm)
Insulation Diameter 0.250" (6.35mm) 0.250" (6.35mm)
Mounting Type Free Hanging (In-Line) Free Hanging (In-Line)
Product Status Discontinued at DiGi Electronics Active
RoHS Status Not specified RoHS Compliant
Moisture Sensitivity Level 1 (Unlimited) 1 (Unlimited)
REACH Status REACH Unaffected REACH Unaffected

Engineering Selection Recommendations

The MVU10-38R/SK is the direct substitute for the discontinued RV10-38Q. Both connectors are manufactured by 3M and share identical electrical and mechanical specifications across all critical parameters. The substitute maintains the same wire gauge rating, stud size, contact material composition, and physical dimensions required for drop-in replacement.

The MVU10-38R/SK offers the additional advantage of active product status with confirmed inventory availability (1319 pcs in stock) and RoHS compliance certification. Both parts maintain equivalent REACH and ECCN classifications, ensuring regulatory consistency in applications requiring these certifications.

The minor dimensional variance in width (0.540" vs. 0.530") falls within acceptable mechanical tolerance ranges and does not affect functional compatibility or mounting performance.

Frequently Asked Questions (FAQ)

Q: Can the MVU10-38R/SK replace the RV10-38Q in existing assemblies?

A: Yes. The MVU10-38R/SK is functionally equivalent across all critical parameters: terminal type, stud size, wire gauge rating, termination method, contact material, and physical dimensions. Direct substitution is appropriate for applications currently using the RV10-38Q.

Q: What is the difference between the RV10-38Q and MVU10-38R/SK?

A: The primary difference is product status and series designation. The RV10-38Q (Highland™ series) is discontinued, while the MVU10-38R/SK (Scotchlok™ series) is an active product. The MVU10-38R/SK also carries RoHS compliance certification. Electrical and mechanical specifications are equivalent.

Q: Are there packaging differences between these parts?

A: The RV10-38Q packaging specification is not provided in available data. The MVU10-38R/SK is supplied in bulk packaging. Confirm packaging requirements for your application before ordering.

Q: Does the width difference (0.530" vs. 0.540") affect compatibility?

A: No. The 0.010" (0.26mm) width variance is within acceptable mechanical tolerance for this connector type and does not impact mounting, electrical performance, or functional compatibility.

Q: Are both parts compliant with regulatory requirements?

A: Both parts maintain REACH Unaffected status and EAR99 ECCN classification. The MVU10-38R/SK additionally carries RoHS compliance certification. Confirm specific regulatory requirements for your application.

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