EVJ-C20F02A53 Equivalent & Substitute Parts

Part Overview

The EVJ-C20F02A53 is a 5k Ohm 2 Gang Logarithmic Panel Mount Potentiometer manufactured by Panasonic Electronic Components. This component features 1/20W power rating, PC Pins with Board Locks termination, and a 300° rotation with M9 x 0.75 bushing thread. The product is currently obsolete, making identification of functionally equivalent alternatives necessary for ongoing system maintenance and component sourcing.

Substiute Parts

EVJ-C20F02A53

Panasonic Electronic ComponentsIn Stock: 899EVJ-C20F02A53 Datasheet

Current PartRFQ

PTD902-2020F-A502

Bourns Inc.In Stock: 1250PTD902-2020F-A502 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the EVJ-C20F02A53 is determined by strict alignment of the following electrical and mechanical parameters:

Electrical Parameters: Resistance value (5k Ohm), tolerance (±20%), taper type (Logarithmic), and number of gangs (2) must match exactly.

Mechanical Parameters: Number of turns (1), rotation angle (300°), termination style (PC Pins, Board Locks), mounting type (Panel Mount), and adjustment type (Side Adjustment) must be identical.

Physical Constraints: Actuator type (Flatted) and bushing thread specification (M9 x 0.75) are critical for mechanical fit and panel integration.

The PTD902-2020F-A502 from Bourns Inc. meets all core electrical requirements and shares identical mechanical termination and mounting characteristics. However, physical dimensional differences exist in bushing thread size and body dimensions, which must be evaluated for specific installation requirements.

Parameter Comparison

Engineering Selection Recommendations

The PTD902-2020F-A502 provides electrical and functional equivalence to the obsolete EVJ-C20F02A53 across all core potentiometer specifications: resistance, tolerance, taper, gang configuration, and termination style. The substitute part is currently in active production status with confirmed inventory availability.

The primary consideration for selection is the bushing thread specification difference: the EVJ-C20F02A53 uses M9 x 0.75 while the PTD902-2020F-A502 uses M7 x 0.75. This difference requires mechanical evaluation of the panel mounting interface. The PTD902-2020F-A502 also features a lower power rating (0.025W versus 0.05W), which is acceptable if circuit power dissipation requirements do not exceed the substitute part's specification.

The PTD902-2020F-A502 carries ROHS3 compliance and REACH Unaffected status, providing regulatory alignment for new designs and system updates.

Frequently Asked Questions (FAQ)

Q: Can the PTD902-2020F-A502 directly replace the EVJ-C20F02A53 without modification?

A: Electrical substitution is valid. Mechanical substitution requires panel modification due to bushing thread size difference (M9 x 0.75 versus M7 x 0.75). Physical body dimensions also differ, which may affect panel cutout and mounting bracket compatibility.

Q: What is the significance of the power rating difference (0.05W versus 0.025W)?

A: The substitute part has a lower power dissipation rating. Substitution is valid only if the circuit's actual power dissipation at the potentiometer does not exceed 0.025W. If the original design operates near or above this threshold, the substitute part may experience thermal stress.

Q: Are the logarithmic taper characteristics identical between these parts?

A: Both parts specify logarithmic taper with identical resistance value and gang configuration. Taper curve matching is determined by manufacturer specifications. Functional equivalence for audio and logarithmic control applications is established by matching taper type and resistance value.

Q: What packaging considerations apply to the PTD902-2020F-A502?

A: The substitute part is supplied in Tray packaging. The original EVJ-C20F02A53 packaging specification is not provided in the reference data. Packaging format does not affect electrical or mechanical performance in the installed application.

Q: Is the carbon resistive material of the PTD902-2020F-A502 compatible with the original application?

A: The original part's resistive material is not specified. Carbon composition is standard for logarithmic potentiometers in audio and control applications. Compatibility is established through matching electrical specifications and taper characteristics.