Honeywell 392C2250 Potentiometer - Equivalent & Substitute Parts

Part Overview

The Honeywell 392C2250 is a 250 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 suitable substitute parts essential for ongoing system maintenance and new design implementations. The part operates with a 295° rotation angle, 1 gang configuration, and slotted actuator design suitable for manual adjustment applications.

Substiute Parts

392C2250

Honeywell Sensing and Productivity SolutionsIn Stock: 932392C2250 Datasheet

Current PartRFQ

RV6LAYSA251A

Precision Electronics CorporationIn Stock: 971RV6LAYSA251A Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitution of the Honeywell 392C2250 is based on strict electrical and mechanical parameter matching. The following criteria determine valid substitutes:

Electrical Parameters (Non-negotiable):

• Resistance value: 250 Ohms
• Power rating: 0.5W minimum (1/2W)
• Taper type: Linear
• Number of turns: 1.0
• Tolerance: ±10%

Mechanical Parameters (Non-negotiable):

• Rotation angle: 295°
• Mounting configuration: Panel Mount
• Bushing thread: 1/4-32
• Actuator type: Slotted
• Actuator dimensions: 0.625" length × 0.125" diameter
• Body size: Round, 0.510" diameter

Variable Parameters (Acceptable Differences):

• Resistive material: Conductive Plastic or Carbon
• Termination style: PC Pins or Solder Lug
• Product status: Active or Obsolete
• Packaging format: Bulk or standard

The RV6LAYSA251A meets all critical electrical and mechanical parameters while utilizing carbon resistive material and solder lug termination instead of conductive plastic and PC pins.

Parameter Comparison

Engineering Selection Recommendations

The RV6LAYSA251A from Precision Electronics Corporation qualifies as a direct substitute for the obsolete Honeywell 392C2250 based on complete electrical and mechanical parameter alignment.

Primary Substitution Advantage: The RV6LAYSA251A maintains active product status, ensuring long-term availability and supply chain continuity. The Honeywell 392C2250 is classified as obsolete, creating sourcing risk for future requirements.

Compliance Considerations: Both components meet export control requirements under ECCN EAR99 classification. The RV6LAYSA251A carries ROHS3 compliance certification, representing current regulatory standards. The Honeywell 392C2250 meets RoHS compliance requirements. Both components share identical HTSUS commodity classification (8533.40.8070).

Material and Termination Differences: The substitute employs carbon resistive material with solder lug termination, compared to the original conductive plastic material with PC pin termination. These differences do not affect electrical performance within the specified tolerance and power rating parameters. Circuit integration requires appropriate connection method adaptation: solder lug termination requires soldering to circuit traces or wire connections, while PC pins accommodate direct PCB insertion.

Inventory Availability: Current stock levels indicate 897 units of RV6LAYSA251A available in bulk packaging, compared to 859 units of the obsolete Honeywell component.

Frequently Asked Questions (FAQ)

Q: Can the RV6LAYSA251A directly replace the Honeywell 392C2250 in existing circuits?

A: Electrical substitution is valid. The 250 Ohm resistance, 1/2W power rating, linear taper, and 295° rotation angle are identical. Mechanical installation is compatible due to matching panel mount configuration, 1/4-32 bushing thread, and identical actuator specifications. Circuit connection requires adaptation from PC pins to solder lug termination.

Q: What is the significance of the resistive material difference (Conductive Plastic vs. Carbon)?

A: Both materials meet the specified electrical parameters within ±10% tolerance and 0.5W power rating. Conductive plastic and carbon resistive materials exhibit different frequency response and noise characteristics, but these parameters are not specified in the component requirements. Material selection does not affect DC resistance value or power dissipation capability.

Q: Why is the Honeywell 392C2250 classified as obsolete?

A: Obsolete status indicates the manufacturer has discontinued production. This classification creates supply risk for future procurement. The RV6LAYSA251A maintains active status, ensuring continued availability.

Q: Are there compatibility issues with the different termination styles?

A: PC pins and solder lug terminations serve different circuit integration methods. PC pins insert directly into PCB holes or connectors. Solder lug termination requires soldering to circuit traces or wire connections. Selection depends on circuit board design and assembly process. Both termination methods achieve equivalent electrical connection when properly implemented.

Q: Do both components meet current regulatory requirements?

A: Both components are RoHS compliant. The RV6LAYSA251A carries ROHS3 certification, representing current regulatory standards. Both share identical ECCN EAR99 export classification and HTSUS commodity code 8533.40.8070.

Q: What is the rotation angle significance?

A: The 295° rotation angle specifies the mechanical adjustment range. Both components provide identical rotation, ensuring equivalent user adjustment capability and mechanical fit within panel-mounted applications.

Q: Can the RV6LAYSA251A be used in new designs?

A: Yes. The RV6LAYSA251A is classified as active product status, making it suitable for new design implementations. All electrical and mechanical parameters align with the original Honeywell specification.