Bourns 51CAD-E28-A10 1kΩ 1W Cermet Linear Potentiometer - Equivalent & Substitute Parts

Part Overview

The Bourns 51CAD-E28-A10 is a 1kΩ 1-gang linear panel mount potentiometer with cermet resistive element and PC pin termination. This component is classified as obsolete, which necessitates identification of active equivalent parts for ongoing procurement and design continuity. The substitute part maintains identical electrical and mechanical specifications while offering improved compliance status and active product availability.

Substiute Parts

51CAD-E28-A10

Bourns Inc.In Stock: 92351CAD-E28-A10 Datasheet

Current PartRFQ

51CAD-E28-A10L

Bourns Inc.In Stock: 123451CAD-E28-A10L Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

The 51CAD-E28-A10L qualifies as a direct substitute for the 51CAD-E28-A10 based on strict parameter equivalence across all critical electrical and mechanical specifications. Substitution is valid when the following parameters match identically:

• Resistance value: 1kΩ
• Power rating: 1W
• Taper characteristic: Linear
• Number of gangs and turns: 1 each
• Resistive material: Cermet
• Termination style: PC Pins
• Mounting configuration: Panel Mount
• Rotation angle: 290°
• Temperature coefficient: ±150ppm/°C
• Tolerance: ±10%
• Physical dimensions and bushing thread specification
• Sealed feature and side adjustment type

The 51CAD-E28-A10L maintains 100% parameter alignment with the main part while offering active product status and improved regulatory compliance.

Parameter Comparison

Engineering Selection Recommendations

The 51CAD-E28-A10L is the appropriate selection for new designs and ongoing procurement applications. The substitute part delivers complete electrical and mechanical equivalence to the obsolete 51CAD-E28-A10 while providing active product status and ROHS3 compliance. The transition from RoHS non-compliant to ROHS3 compliant status aligns with current regulatory requirements for electronic component procurement in regulated industries.

For applications where the original 51CAD-E28-A10 is currently deployed, direct replacement with the 51CAD-E28-A10L is supported by identical parameter specifications across all functional and dimensional criteria. No circuit redesign or mechanical modification is required.

Frequently Asked Questions (FAQ)

Q: Can the 51CAD-E28-A10L directly replace the 51CAD-E28-A10 in existing assemblies?

A: Yes. All electrical parameters, mechanical dimensions, and termination specifications are identical. Direct substitution is supported without circuit or mechanical modification.

Q: What is the primary reason for substitution?

A: The 51CAD-E28-A10 is classified as obsolete. The 51CAD-E28-A10L maintains identical specifications while offering active product availability and improved compliance status.

Q: Are there differences in packaging between these parts?

A: The main part is packaged in standard format, while the 51CAD-E28-A10L is supplied in bulk packaging. This difference does not affect electrical or mechanical performance.

Q: Does the RoHS3 compliance of the 51CAD-E28-A10L affect circuit performance?

A: No. RoHS3 compliance reflects manufacturing process changes and material composition restrictions. Electrical and thermal performance characteristics remain unchanged.

Q: Are the temperature coefficients identical?

A: Yes. Both parts specify ±150ppm/°C temperature coefficient, ensuring equivalent thermal stability across operating ranges.

Q: What is the significance of the REACH status difference?

A: The 51CAD-E28-A10L is REACH Affected, indicating compliance with REACH chemical substance regulations. This reflects current regulatory alignment and does not impact functional performance.