Honeywell 53C250K Potentiometer - Equivalent & Substitute Parts

Part Overview

The Honeywell 53C250K is a 50k Ohm, 2-watt linear panel mount potentiometer with conductive plastic resistive material and solder lug termination. This component is classified as obsolete, making identification of suitable substitute parts essential for ongoing system maintenance and new design implementations. The 53C series potentiometer is designed for applications requiring precise resistance adjustment with a 1-gang configuration and 312° rotation range.

Substiute Parts

53C250K

Honeywell Sensing and Productivity SolutionsIn Stock: 93153C250K Datasheet

Current PartRFQ

RV4LAYSA503A

Precision Electronics CorporationIn Stock: 996RV4LAYSA503A Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the Honeywell 53C250K is based on strict electrical and mechanical parameter matching. The following criteria determine compatibility:

Electrical Parameters (Critical):

• Resistance value: 50k Ohm
• Power rating: 2W
• Tolerance: ±10%
• Taper: Linear
• Number of gangs: 1
• Number of turns: 1
• Termination style: Solder Lug

Mechanical Parameters (Critical):

• Mounting type: Panel Mount
• Bushing thread: 3/8-32
• Actuator type: Slotted
• Actuator length: 0.625" (15.88mm)
• Actuator diameter: within tolerance of 0.250" (6.35mm)

The RV4LAYSA503A from Precision Electronics Corporation meets all critical electrical and mechanical parameters. While the resistive material differs (carbon versus conductive plastic), both materials satisfy the specified electrical performance requirements of 50k Ohm at 2W with ±10% tolerance and linear taper operation.

Parameter Comparison

Engineering Selection Recommendations

The RV4LAYSA503A is a direct functional substitute for the obsolete Honeywell 53C250K potentiometer. Selection is based on the following engineering criteria:

Electrical Equivalence: Both components provide identical electrical specifications: 50k Ohm resistance, 2W power rating, ±10% tolerance, and linear taper. The difference in resistive material (carbon versus conductive plastic) does not affect the specified electrical performance parameters.

Mechanical Compatibility: The RV4LAYSA503A maintains mechanical compatibility through identical panel mount configuration, 3/8-32 bushing thread, slotted actuator type, and matching actuator dimensions. Minor variations in body diameter (1.120" versus 1.094") and rotation angle (314° versus 312°) are within acceptable engineering tolerances for panel mount potentiometer applications.

Compliance Status: The RV4LAYSA503A holds active product status with ROHS3 compliance certification, providing supply chain continuity and regulatory compliance assurance. The original 53C250K is RoHS compliant but obsolete.

Availability: The RV4LAYSA503A is available in active inventory (896 pcs), ensuring reliable procurement for replacement and new applications.

Frequently Asked Questions (FAQ)

Q: Can the RV4LAYSA503A directly replace the Honeywell 53C250K in existing applications?

A: Yes. The RV4LAYSA503A meets all critical electrical and mechanical specifications. Electrical performance is identical at 50k Ohm, 2W, ±10% tolerance with linear taper. Mechanical mounting is compatible through matching panel mount configuration, 3/8-32 bushing thread, and slotted actuator dimensions.

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

A: Both conductive plastic and carbon resistive materials satisfy the specified electrical requirements of 50k Ohm at 2W with ±10% tolerance. The material difference does not affect the electrical performance parameters provided in the specifications.

Q: Are there packaging differences between these components?

A: The Honeywell 53C250K is supplied in standard packaging, while the RV4LAYSA503A is supplied in bulk packaging. Both are suitable for component-level integration and soldering operations.

Q: What compliance certifications apply to the substitute part?

A: The RV4LAYSA503A holds ROHS3 compliance certification and is REACH unaffected. The original 53C250K is RoHS compliant. Both components meet regulatory requirements for electronic component applications.

Q: Are there any rotation or dimensional variations that affect installation?

A: The RV4LAYSA503A exhibits a 314° rotation range compared to the 53C250K's 312° rotation, representing a 2° difference within acceptable engineering tolerance. Body diameter variation (1.120" versus 1.094") is 0.026" and does not affect panel mount installation compatibility.

Q: What is the supply status of each component?

A: The Honeywell 53C250K is classified as obsolete with 872 pcs in current inventory. The RV4LAYSA503A is active product status with 896 pcs in inventory, providing ongoing supply chain availability.