Honeywell 385518M1813 Equivalent & Substitute Parts

Part Overview

The Honeywell 385518M1813 is a 10k Ohm 2W linear panel mount potentiometer with conductive plastic resistive material, designed for user-defined adjustment applications. This component features a 1-gang configuration with solder lug termination and a 312° rotation angle. The product is classified as obsolete, necessitating identification of functionally equivalent alternatives for ongoing system support and new designs requiring this specification class.

Substiute Parts

385518M1813

Honeywell Sensing and Productivity SolutionsIn Stock: 927385518M1813 Datasheet

Current PartRFQ

RV4NAYSD103A

Precision Electronics CorporationIn Stock: 2058RV4NAYSD103A Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the Honeywell 385518M1813 is determined by strict equivalence across the following critical parameters:

Mandatory Matching Parameters:

• Resistance value: 10k Ohm
• Power rating: 2W
• Taper characteristic: Linear
• Number of gangs: 1
• Termination style: Solder Lug
• Mounting configuration: Panel Mount
• Bushing thread specification: 3/8-32
• Tolerance: ±10%
• Number of turns: 1
• Actuator type: Slotted

The RV4NAYSD103A from Precision Electronics Corporation meets all mandatory matching parameters. The primary difference lies in the resistive material composition (carbon versus conductive plastic) and rotation angle variance (314° versus 312°), which remain within acceptable mechanical tolerance ranges for panel mount potentiometer applications. Both components maintain identical electrical specifications, termination methods, and mounting interfaces.

Parameter Comparison

Engineering Selection Recommendations

The Precision Electronics RV4NAYSD103A qualifies as a direct functional substitute for the obsolete Honeywell 385518M1813 based on electrical and mechanical parameter equivalence. The RV4NAYSD103A maintains active product status with current manufacturing availability (2000 pcs in stock), ensuring supply chain continuity for applications currently utilizing the Honeywell component.

Both components satisfy identical electrical requirements: 10k Ohm resistance at 2W power dissipation with ±10% tolerance and linear taper characteristics. Mechanical compatibility is confirmed through matching panel mount configuration, 3/8-32 bushing thread, solder lug termination, and slotted actuator interface.

The resistive material difference (conductive plastic versus carbon) represents a material composition variation that does not affect functional equivalence within the specified electrical parameters. Both materials support the identical 2W power rating and 10k Ohm resistance specification.

Dimensional variations fall within standard manufacturing tolerances: actuator diameter variance of 0.001" (0.03mm) and body diameter variance of 0.026" (0.66mm) remain acceptable for panel mount applications. Rotation angle difference of 2° is negligible for single-turn potentiometer applications.

Compliance certifications confirm suitability: the RV4NAYSD103A maintains ROHS3 compliance and REACH unaffected status, meeting current regulatory requirements for component selection.

Frequently Asked Questions (FAQ)

Q: Can the RV4NAYSD103A directly replace the Honeywell 385518M1813 in existing assemblies?

A: Yes. Both components share identical electrical specifications (10k Ohm, 2W, ±10% tolerance, linear taper), matching mechanical interfaces (3/8-32 panel mount, solder lug termination, slotted actuator), and equivalent dimensional characteristics within standard manufacturing tolerances. No circuit modifications or mechanical redesign is required.

Q: What is the significance of the resistive material difference between conductive plastic and carbon?

A: Both resistive materials support the specified 2W power rating and 10k Ohm resistance value. The material composition difference does not affect electrical performance within the defined operating parameters. Selection between these materials is determined by application-specific requirements such as temperature coefficient performance or frequency response characteristics, which are not differentiated in the provided specifications.

Q: Are there dimensional compatibility concerns with the body diameter and actuator diameter variations?

A: No. The body diameter difference of 0.026" (0.66mm) and actuator diameter difference of 0.001" (0.03mm) fall within standard manufacturing tolerances for panel mount potentiometers. These variations do not affect panel cutout compatibility or actuator engagement with standard control knobs.

Q: Does the 2° rotation angle difference impact functionality?

A: No. For single-turn potentiometer applications, a 2° rotation angle variance (312° versus 314°) is negligible and does not affect functional performance or control resolution.

Q: What is the inventory status for the substitute part?

A: The Precision Electronics RV4NAYSD103A is actively manufactured with 2000 pcs available in stock, providing reliable supply availability compared to the obsolete Honeywell component.

Q: Are both components RoHS compliant?

A: Yes. The Honeywell 385518M1813 is RoHS Compliant, and the Precision Electronics RV4NAYSD103A is ROHS3 Compliant, meeting current regulatory requirements for component selection.