Equivalent & Substitute Parts: 485000M8911

Part Overview

The Honeywell Sensing and Productivity Solutions 485000M8911 is a 1M Ohm, 2W linear panel mount potentiometer with conductive plastic resistive material, designed for user-defined adjustment applications. This component features a slotted actuator, solder lug termination, and 312° rotation capability in a round body configuration.

The 485000M8911 is classified as obsolete. Identifying equivalent substitute parts is necessary to maintain design continuity, ensure procurement availability, and support ongoing production or maintenance requirements for systems utilizing this component.

Substiute Parts

485000M8911

Honeywell Sensing and Productivity SolutionsIn Stock: 731485000M8911 Datasheet

Current PartRFQ

RV4NAYSD105A

Precision Electronics CorporationIn Stock: 1382RV4NAYSD105A Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the 485000M8911 is based on electrical and mechanical parameter equivalence. The following parameters must remain constant across substitute components:

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

The RV4NAYSD105A from Precision Electronics Corporation satisfies all critical electrical and mechanical parameters required for direct substitution. While the resistive material differs (carbon versus conductive plastic), both materials deliver equivalent functional performance within the specified tolerance and power rating parameters.

Parameter Comparison

Engineering Selection Recommendations

The RV4NAYSD105A is a qualified substitute for the 485000M8911 based on the following engineering criteria:

Electrical Equivalence: Both components deliver identical resistance (1M Ohm), power rating (2W), tolerance (±10%), and linear taper characteristics. These parameters define functional performance in circuit applications.

Mechanical Compatibility: Panel mount configuration, bushing thread specification (3/8-32), solder lug termination, and slotted actuator geometry are identical. Physical installation and electrical connection are directly compatible.

Compliance Status: The RV4NAYSD105A holds active product status with ROHS3 compliance, providing superior long-term availability and regulatory alignment compared to the obsolete 485000M8911. Both components carry EAR99 ECCN classification.

Operational Parameters: Rotation specifications (312° versus 314°) and actuator dimensions (0.250" versus 0.249" diameter) represent negligible variations within standard manufacturing tolerances and do not impact functional substitution.

Material Consideration: The shift from conductive plastic to carbon resistive material does not compromise electrical performance within the specified tolerance and power parameters. Both materials are established technologies for linear potentiometer applications.

Frequently Asked Questions (FAQ)

Q: Can the RV4NAYSD105A directly replace the 485000M8911 in existing designs?

A: Yes. The RV4NAYSD105A satisfies all critical electrical and mechanical parameters. Resistance, power rating, tolerance, taper, termination style, mounting configuration, and actuator specifications are identical. No circuit redesign or mechanical modification is required.

Q: What is the significance of the resistive material difference (conductive plastic versus carbon)?

A: Both conductive plastic and carbon are established resistive materials for potentiometer applications. Within the specified tolerance (±10%) and power rating (2W), both materials deliver equivalent functional performance. The material difference does not affect circuit operation or component reliability.

Q: Are the rotation angle differences (312° versus 314°) significant?

A: No. The 2° difference falls within standard manufacturing tolerances for potentiometer rotation specifications and does not impact functional performance or mechanical compatibility.

Q: Why is the RV4NAYSD105A recommended over the 485000M8911?

A: The 485000M8911 is classified as obsolete, creating long-term procurement risk. The RV4NAYSD105A maintains active product status, ensuring sustained availability and supply chain reliability. Both components are RoHS compliant and carry identical ECCN classification.

Q: Are there packaging differences between these components?

A: The 485000M8911 is specified with dash packaging notation, while the RV4NAYSD105A is supplied in bulk packaging. Both are suitable for standard solder lug termination and panel mount installation. Verify packaging requirements for your specific procurement process.

Q: What compliance certifications apply to both components?

A: Both the 485000M8911 and RV4NAYSD105A are RoHS compliant (RoHS and ROHS3 respectively), carry EAR99 ECCN classification, and share identical HTSUS commodity code (8533.40.8070). The RV4NAYSD105A additionally carries REACH Unaffected status.