Equivalent & Substitute Parts for Honeywell 53C1250K

Part Overview

The Honeywell 53C1250K is a 250k Ohm, 2W linear panel mount potentiometer with conductive plastic resistive material and solder lug termination. This component is classified as obsolete, making identification of active equivalent parts essential for ongoing production and maintenance applications. The 53C series has been superseded by newer product lines, necessitating direct substitution analysis for system continuity.

Substiute Parts

53C1250K

Honeywell Sensing and Productivity SolutionsIn Stock: 103353C1250K Datasheet

Current PartRFQ

P270-DP42R250K

TT Electronics/BIIn Stock: 907P270-DP42R250K Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the 53C1250K is determined by strict equivalence across all critical electrical and mechanical parameters. The following parameters must match identically:

• Resistance Value: 250k Ohm (exact match required)
• Power Rating: 2W minimum (equal or greater acceptable)
• Taper Configuration: Linear (functional requirement)
• Resistive Material: Conductive Plastic (performance characteristic)
• Termination Method: Solder Lug (circuit integration requirement)
• Mounting Configuration: Panel Mount with 3/8-32 bushing thread (mechanical fit requirement)
• Rotation Angle: 312° (mechanical range specification)
• Number of Turns: 1.0 Gang (control configuration)

The TT Electronics/BI P270-DP42R250K satisfies all substitution criteria. This part maintains identical electrical specifications and mechanical compatibility while offering active product status and current manufacturing availability.

Parameter Comparison

Engineering Selection Recommendations

The TT Electronics/BI P270-DP42R250K is the direct functional equivalent for the obsolete Honeywell 53C1250K. Selection is based on the following engineering criteria:

Electrical Equivalence: All electrical parameters match identically, including resistance value, power rating, tolerance, and taper configuration. The conductive plastic resistive material ensures equivalent performance characteristics across the specified operating range.

Mechanical Compatibility: The substitute maintains identical mechanical specifications for panel mounting, including bushing thread size (3/8-32), actuator dimensions, and rotation angle (312°). The body diameter variation (1.050" versus 1.094") represents a minor dimensional difference that does not affect functional compatibility in standard panel cutout applications.

Product Status and Compliance: The P270-DP42R250K is an active product with current manufacturing support, eliminating supply chain risk associated with the obsolete 53C1250K. Both parts maintain RoHS compliance, with the substitute meeting ROHS3 specifications. The substitute is REACH Unaffected, confirming regulatory alignment for international applications.

Packaging and Availability: The substitute is supplied in Tray packaging with documented inventory availability (874 pcs), supporting production requirements and lead time predictability.

Frequently Asked Questions (FAQ)

Q: Can the P270-DP42R250K be used as a direct replacement for the 53C1250K in existing designs?

A: Yes. The substitute maintains identical electrical and mechanical specifications across all critical parameters. The minor body diameter difference (0.027" reduction) does not affect panel mounting compatibility or functional performance.

Q: Are there any electrical performance differences between these parts?

A: No. Both parts specify 250k Ohm resistance with ±10% tolerance, 2W power rating, linear taper, conductive plastic material, and identical rotation characteristics (312°). Electrical performance is equivalent.

Q: What is the significance of the body diameter difference?

A: The P270-DP42R250K body diameter is 1.050" compared to the 53C1250K at 1.094". This 0.027" reduction is within standard panel cutout tolerances and does not affect mechanical fit or functional installation.

Q: Does the substitute meet the same regulatory requirements?

A: Yes. The P270-DP42R250K meets ROHS3 compliance and is REACH Unaffected, satisfying regulatory requirements equivalent to or exceeding the original part's RoHS Compliant status.

Q: What is the advantage of switching to the P270-DP42R250K?

A: The substitute is an active product with current manufacturing support and documented inventory availability. This eliminates obsolescence risk and ensures long-term supply chain continuity compared to the obsolete 53C1250K.

Q: Are the termination methods identical?

A: Yes. Both parts use solder lug termination, ensuring identical circuit integration and electrical connection methods.

Q: Does the packaging format affect compatibility?

A: No. The substitute is supplied in Tray packaging, which is a standard format for component handling and storage. This does not affect electrical or mechanical compatibility with the application.