Bourns 3541H-1-102 Potentiometer: Equivalent & Substitute Parts

Part Overview

The Bourns 3541H-1-102 is a 1kΩ linear panel mount potentiometer rated for 2W power dissipation, featuring Hybritron® resistive material and a 10-turn configuration with solder lug termination. This part is classified as obsolete, making identification of active equivalent components essential for ongoing production and maintenance applications. The substitute part 3541H-1-102L provides functional continuity while offering improved compliance status and current availability.

Substiute Parts

3541H-1-102

Bourns Inc.In Stock: 9313541H-1-102 Datasheet

Current PartRFQ

3541H-1-102L

Bourns Inc.In Stock: 13563541H-1-102L Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

The 3541H-1-102L qualifies as a direct substitute for the 3541H-1-102 based on identical electrical and mechanical specifications. Substitution is valid when the following parameters match:

• Resistance value: 1kΩ
• Power rating: 2W
• Taper characteristic: Linear
• Number of turns: 10
• Tolerance: ±10%
• Temperature coefficient: ±100ppm/°C
• Termination style: Solder Lug
• Mounting configuration: Panel Mount
• Resistive material: Hybritron®
• Physical dimensions: Round body 0.875" diameter, 0.812" actuator length, 0.2497" actuator diameter
• Bushing thread: 3/8-32

The 3541H-1-102L maintains all functional and mechanical compatibility with the original part while differing only in product status and regulatory compliance classification.

Parameter Comparison

Engineering Selection Recommendations

The 3541H-1-102L is the appropriate selection for new designs and ongoing production applications. The original 3541H-1-102 is obsolete and no longer actively manufactured. The substitute part maintains complete electrical and mechanical equivalence while offering ROHS3 compliance and active product status, ensuring long-term supply chain viability and regulatory alignment for applications subject to RoHS requirements.

Frequently Asked Questions (FAQ)

Q: Can the 3541H-1-102L be used as a direct replacement for the 3541H-1-102 in existing assemblies?

A: Yes. The 3541H-1-102L is electrically and mechanically identical to the 3541H-1-102. All electrical parameters, physical dimensions, and termination characteristics are equivalent, enabling direct substitution without circuit modification or mechanical redesign.

Q: What is the difference in packaging between these parts?

A: The 3541H-1-102 is supplied in bulk packaging, while the 3541H-1-102L is supplied in tray packaging. This difference affects handling and storage procedures but does not impact component functionality or performance.

Q: Why is RoHS compliance status different between the two parts?

A: The 3541H-1-102 predates RoHS3 requirements and is classified as non-compliant. The 3541H-1-102L is manufactured to current ROHS3 standards. For applications subject to RoHS regulations, the 3541H-1-102L is the required selection.

Q: Are there any electrical performance differences between the original and substitute part?

A: No. Both parts share identical resistance value (1kΩ), power rating (2W), tolerance (±10%), temperature coefficient (±100ppm/°C), and all other electrical specifications. Performance in circuit operation is equivalent.

Q: What does the "L" designation in the part number 3541H-1-102L indicate?

A: The "L" suffix indicates a variant of the base 3541H-1-102 part number. In this case, it designates the active production version with updated compliance certifications and tray packaging.