Honeywell 392C25K Potentiometer - Equivalent & Substitute Parts

Part Overview

The Honeywell 392C25K is a 5k Ohm, 1/2W linear panel mount potentiometer featuring conductive plastic resistive material and PC pin termination. This component is classified as obsolete, necessitating identification of active equivalent parts for ongoing procurement and system maintenance. The 392 series potentiometer is designed for user-defined adjustment applications requiring 1-turn rotation over 295 degrees with slotted actuator control.

Key Parameters

Parameter	Value
Resistance	5k Ohm
Power Rating	0.5W, 1/2W
Tolerance	±10%
Taper	Linear
Number of Turns	1
Rotation	295°
Mounting Type	Panel Mount
Bushing Thread	1/4-32
Actuator Type	Slotted
Body Diameter	0.510" (12.95mm)

Substitute Part Grouping Explanation

Substitution of the Honeywell 392C25K is determined by strict equivalence across the following electrical and mechanical parameters:

Resistance Value: 5k Ohm (exact match required)
Power Rating: 0.5W, 1/2W (exact match required)
Tolerance: ±10% (exact match required)
Taper Type: Linear (exact match required)
Number of Turns: 1 (exact match required)
Rotation Angle: 295° (exact match required)
Mounting Configuration: Panel Mount with 1/4-32 bushing thread (exact match required)
Actuator Specifications: Slotted type, 0.625" length, 0.125" diameter (exact match required)
Body Dimensions: Round, 0.510" diameter (exact match required)

The Precision Electronics Corporation RV6LAYSA502A meets all electrical and mechanical substitution criteria. The primary difference is resistive material composition (carbon versus conductive plastic) and termination style (solder lug versus PC pins), which do not affect functional equivalence within the specified parameter set.

Parameter Comparison

Parameter	Honeywell 392C25K	Precision Electronics RV6LAYSA502A	Match Status
Resistance (Ohms)	5k	5k	Equivalent
Power (Watts)	0.5W, 1/2W	0.5W, 1/2W	Equivalent
Tolerance	±10%	±10%	Equivalent
Taper	Linear	Linear	Equivalent
Number of Turns	1	1	Equivalent
Rotation	295°	295°	Equivalent
Mounting Type	Panel Mount	Panel Mount	Equivalent
Bushing Thread	1/4-32	1/4-32	Equivalent
Actuator Type	Slotted	Slotted	Equivalent
Actuator Length	0.625" (15.88mm)	0.625" (15.88mm)	Equivalent
Actuator Diameter	0.125" (3.18mm)	0.125" (3.18mm)	Equivalent
Body Diameter	Round - 0.510" (12.95mm)	Round - 0.510" (12.95mm)	Equivalent
Resistive Material	Conductive Plastic	Carbon	Different
Termination Style	PC Pins	Solder Lug	Different
Product Status	Obsolete	Active	Substitute is Active
RoHS Status	RoHS Compliant	ROHS3 Compliant	Both Compliant

Engineering Selection Recommendations

The Precision Electronics Corporation RV6LAYSA502A is a functional equivalent to the obsolete Honeywell 392C25K based on complete electrical and mechanical parameter alignment. Selection of the RV6LAYSA502A is supported by the following factors:

Active Product Status: The RV6LAYSA502A is classified as active, ensuring ongoing availability and supply chain continuity.
Regulatory Compliance: Both components maintain RoHS compliance (RoHS3 for the substitute), satisfying environmental and regulatory requirements.
Electrical Equivalence: Identical resistance value, power rating, tolerance, and taper characteristics ensure functional performance parity.
Mechanical Compatibility: Matching mounting configuration, bushing thread, actuator specifications, and body dimensions confirm direct mechanical substitution.
Termination Consideration: The transition from PC pins to solder lug termination requires circuit board design verification to confirm compatibility with existing PCB pad layouts and assembly processes.

Frequently Asked Questions (FAQ)

Q: Can the RV6LAYSA502A directly replace the Honeywell 392C25K in existing designs?

A: The RV6LAYSA502A is electrically and mechanically equivalent across all specified parameters. However, the termination style differs (solder lug versus PC pins). Direct replacement requires verification that the circuit board pad configuration and assembly process accommodate solder lug termination.

Q: What is the significance of the resistive material difference between conductive plastic and carbon?

A: Both conductive plastic and carbon resistive materials meet the specified electrical parameters (5k Ohm, ±10% tolerance, 0.5W power rating, linear taper). The material difference does not affect functional equivalence within the defined parameter set.

Q: Are both components RoHS compliant?

A: Yes. The Honeywell 392C25K is RoHS Compliant, and the Precision Electronics RV6LAYSA502A is ROHS3 Compliant. Both satisfy RoHS requirements.

Q: What inventory status should influence component selection?

A: The Honeywell 392C25K is obsolete with 848 pieces in stock. The Precision Electronics RV6LAYSA502A is active with 1098 pieces in stock, providing superior long-term supply chain security.

Q: Are the mechanical dimensions identical?

A: Yes. Both components feature identical panel mount configuration, 1/4-32 bushing thread, slotted actuator (0.625" length, 0.125" diameter), and round body diameter of 0.510" (12.95mm).

Q: What is the rotation angle for both potentiometers?

A: Both the Honeywell 392C25K and Precision Electronics RV6LAYSA502A feature 295-degree rotation over a single turn.

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