EVU-E3AF25B14 Equivalent & Substitute Parts

Part Overview

The EVU-E3AF25B14 is a 10k Ohm linear potentiometer manufactured by Panasonic Electronic Components, rated at 0.05W (1/20W) with a 1-turn detent mechanism and through-hole snap-in mounting. This component is classified as obsolete, making equivalent substitute parts necessary for ongoing production and maintenance applications. The part features a flatted actuator, side adjustment, and PC pin termination with board locks suitable for rectangular mounting configurations.

Substiute Parts

EVU-E3AF25B14

Panasonic Electronic ComponentsIn Stock: 15504EVU-E3AF25B14 Datasheet

Current PartRFQ

PDB12-G2251-103BF

Bourns Inc.In Stock: 962PDB12-G2251-103BF Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

The PDB12-G2251-103BF from Bourns Inc. qualifies as a functional equivalent based on the following matching parameters:

• Resistance value: 10k Ohm (identical)
• Tolerance: ±20% (identical)
• Taper: Linear (identical)
• Number of turns: 1 (identical)
• Built-in switch: Detent (identical)
• Number of gangs: 1 (identical)
• Adjustment type: Side Adjustment (identical)
• Rotation: 300° (identical)
• Termination style: PC Pins, Board Locks (identical)
• Actuator type: Flatted (identical)
• Mounting type: Through Hole (compatible; snap-in feature not specified for substitute)

The primary difference is the power rating (0.08W vs. 0.05W), where the substitute provides higher power dissipation capability, making it suitable for applications within the original specification envelope. The substitute is currently in active production status, ensuring long-term availability.

Parameter Comparison

Engineering Selection Recommendations

The PDB12-G2251-103BF is the qualified substitute for the obsolete EVU-E3AF25B14. Selection is based on:

• Electrical equivalence: Identical resistance, tolerance, taper, and switching characteristics
• Mechanical compatibility: Matching termination style, actuator geometry, and mounting interface
• Power capability: The 0.08W rating of the substitute exceeds the 0.05W requirement, providing operational margin
• Regulatory compliance: The substitute carries ROHS3 certification, meeting current environmental standards
• Supply continuity: Active production status ensures availability for current and future applications

Physical footprint differences (body size 0.504" x 0.488" vs. 0.453" x 0.374") require PCB layout verification to confirm mounting clearance in the target application.

Frequently Asked Questions (FAQ)

Q: Can the PDB12-G2251-103BF directly replace the EVU-E3AF25B14 without circuit modification?

A: Electrical substitution is direct. The matching resistance, tolerance, taper, and detent characteristics ensure functional equivalence. Physical layout verification is required due to the larger body dimensions of the substitute part.

Q: What is the significance of the higher power rating (0.08W vs. 0.05W) on the substitute?

A: The substitute's higher power dissipation capability provides operational margin and does not negatively affect circuit performance. Applications designed for 0.05W operation remain within the substitute's safe operating envelope.

Q: Are there packaging differences between the main part and substitute?

A: The EVU-E3AF25B14 is supplied in bulk packaging, while the PDB12-G2251-103BF is supplied in tray packaging. This affects handling and storage procedures but does not impact component functionality.

Q: Does the substitute meet current environmental compliance standards?

A: Yes. The PDB12-G2251-103BF is ROHS3 compliant and REACH unaffected, meeting current regulatory requirements for electronic component manufacturing and use.

Q: What design consideration is most critical when implementing this substitute?

A: PCB layout verification is essential. The substitute's larger rectangular body (12.80mm x 12.40mm vs. 11.50mm x 9.50mm) requires confirmation that mounting clearance and snap-in compatibility are maintained in the target circuit board design.