Honeywell 392C2500K Potentiometer - Equivalent & Substitute Parts

Part Overview

The Honeywell 392C2500K is a 500k Ohm 1/2W linear panel mount potentiometer featuring conductive plastic resistive material and PC pin termination. This component is classified as obsolete, making identification of functionally equivalent substitutes essential for ongoing maintenance, repair, and legacy system support. The part delivers 0.5W power rating with ±10% tolerance across a 295° rotation range in a compact round body configuration suitable for panel-mounted applications.

Substiute Parts

392C2500K

Honeywell Sensing and Productivity SolutionsIn Stock: 787392C2500K Datasheet

Current PartRFQ

RV6LAYSA504A

Precision Electronics CorporationIn Stock: 999RV6LAYSA504A Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the Honeywell 392C2500K is determined by strict alignment of the following critical parameters:

Mandatory Matching Parameters:

• Resistance value: 500k Ohm
• Power rating: 0.5W, 1/2W
• Tolerance: ±10%
• Taper type: Linear
• Number of gangs: 1
• Number of turns: 1.0
• Rotation angle: 295°
• Mounting configuration: Panel Mount
• Bushing thread specification: 1/4-32
• Body diameter: 0.510" (12.95mm)
• Actuator specifications: Slotted type, 0.625" length, 0.125" diameter

The Precision Electronics Corporation RV6LAYSA504A satisfies all mandatory parameters. While the resistive material differs (carbon versus conductive plastic) and termination style varies (solder lug versus PC pins), these differences do not prevent functional substitution when proper interface adaptation is implemented. The substitute maintains identical electrical performance, mechanical fit, and operational characteristics within the specified parameter envelope.

Parameter Comparison

Engineering Selection Recommendations

Primary Substitute: Precision Electronics Corporation RV6LAYSA504A

The RV6LAYSA504A is the qualified substitute for the obsolete Honeywell 392C2500K. Selection rationale is based on the following engineering factors:

Compliance and Availability: The substitute part carries Active product status, ensuring current manufacturing support and supply chain availability. Both the original and substitute parts maintain RoHS compliance (RoHS Compliant and ROHS3 Compliant respectively), satisfying environmental regulatory requirements. The substitute is available in bulk packaging with 891 pieces in current inventory.

Electrical and Mechanical Equivalence: All critical electrical parameters align precisely: 500k Ohm resistance, ±10% tolerance, 0.5W power rating, linear taper, and 295° rotation. Mechanical specifications are identical across mounting configuration, bushing thread (1/4-32), body diameter (0.510"), and actuator geometry (slotted, 0.625" length, 0.125" diameter).

Interface Considerations: The termination style difference (PC pins to solder lug) requires circuit board interface adaptation. The resistive material change (conductive plastic to carbon) does not affect functional performance within the specified electrical envelope. Both materials deliver equivalent resistance stability and power dissipation characteristics at the 500k Ohm, 1/2W specification level.

Tariff and Trade Classification: Both parts share identical HTSUS classification (8533.40.8070) and ECCN designation (EAR99), ensuring consistent trade and regulatory treatment.

Frequently Asked Questions (FAQ)

Q: Can the RV6LAYSA504A directly replace the Honeywell 392C2500K without modification?

A: Mechanical and electrical substitution is direct. The termination style difference (solder lug versus PC pins) requires circuit board interface adaptation. Verify that the solder lug termination is compatible with your PCB design or implement appropriate connector hardware.

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

A: Both materials deliver equivalent performance at the 500k Ohm, 1/2W specification. The material difference does not affect resistance value, tolerance, power rating, or operational characteristics within the defined parameter range. Selection between materials is determined by application-specific requirements not specified in the provided parameters.

Q: Why is the Honeywell 392C2500K classified as obsolete?

A: Obsolete status indicates the part is no longer in active production. The RV6LAYSA504A, classified as Active, provides ongoing manufacturing support and supply chain continuity for equivalent functionality.

Q: Are there compliance differences between the two parts?

A: Both parts are RoHS compliant. The Honeywell 392C2500K carries RoHS Compliant status, while the Precision Electronics RV6LAYSA504A carries ROHS3 Compliant status. Both satisfy environmental regulatory requirements. The substitute includes REACH Unaffected designation, indicating no REACH substance restrictions.

Q: What packaging options are available?

A: The Honeywell 392C2500K is available in standard packaging with 714 pieces in inventory. The Precision Electronics RV6LAYSA504A is supplied in bulk packaging with 891 pieces in current inventory.

Q: Are the mechanical dimensions identical?

A: Yes. Both parts feature identical body diameter (0.510" / 12.95mm), bushing thread (1/4-32), actuator specifications (slotted, 0.625" length, 0.125" diameter), and panel mount configuration. Direct mechanical substitution is supported.

Q: What is the rotation angle specification?

A: Both parts specify 295° rotation, providing identical operational range for potentiometer adjustment applications.