Bourns 3352P-1-203 Thumbwheel Potentiometer Equivalent & Substitute Parts

Part Overview

The Bourns 3352P-1-203 is a 20 kOhms, 0.5W through-hole thumbwheel potentiometer with top adjustment, part of the Trimpot® 3352 Open Frame series. This component is currently active in production and widely used in applications requiring manual resistance adjustment via thumbwheel interface. Identifying equivalent and substitute parts is necessary to ensure design flexibility, manage supply chain continuity, and accommodate varying compliance requirements across manufacturing batches and procurement channels.

Substiute Parts

3352P-1-203

Bourns Inc.In Stock: 10533352P-1-203 Datasheet

Current PartRFQ

3352P-1-203LF

Bourns Inc.In Stock: 16133352P-1-203LF Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the 3352P-1-203 is determined by strict equivalence across the following critical parameters:

• Resistance value: 20 kOhms
• Power rating: 0.5W (1/2W)
• Tolerance: ±20%
• Number of turns: 1
• Adjustment type: Top Adjustment
• Physical dimensions: Round - 0.350" Dia x 0.210" H (8.89mm x 5.33mm)
• Termination style: PC Pins
• Mounting configuration: Through Hole
• Series family: Trimpot® 3352 - Open Frame

The 3352P-1-203LF qualifies as a direct substitute because it maintains identical electrical specifications, mechanical dimensions, and functional characteristics. The primary distinction lies in RoHS compliance status and manufacturing batch designation, which may be relevant for specific regulatory or procurement requirements.

Parameter Comparison

Engineering Selection Recommendations

Both the 3352P-1-203 and 3352P-1-203LF are active production components from Bourns Inc. with identical electrical and mechanical specifications. Selection between these parts should be based on regulatory compliance requirements:

The 3352P-1-203LF is ROHS3 compliant, making it the appropriate choice for applications subject to RoHS directives or procurement specifications requiring lead-free termination compliance. The 3352P-1-203 is RoHS non-compliant and suitable for applications without such regulatory constraints. Both parts are REACH Affected and classified under ECCN EAR99. Inventory availability may also influence procurement decisions, with the 3352P-1-203LF currently showing higher stock levels (1561 Pcs vs. 1022 Pcs).

Frequently Asked Questions (FAQ)

Q: Can the 3352P-1-203LF be used as a direct replacement for the 3352P-1-203?

A: Yes. Both parts maintain identical resistance (20 kOhms), power rating (0.5W), tolerance (±20%), adjustment type (top adjustment), physical dimensions (0.350" Dia x 0.210" H), termination (PC Pins), and mounting configuration (through hole). The primary difference is RoHS compliance status.

Q: What is the significance of the "LF" suffix in the 3352P-1-203LF part number?

A: The "LF" designation indicates lead-free termination and ROHS3 compliance. This variant meets RoHS Directive requirements for restricted hazardous substances.

Q: Are there any mechanical compatibility concerns when substituting between these parts?

A: No. Both parts share identical physical dimensions and mounting specifications. PCB layout and mechanical assembly remain unchanged.

Q: Which part should be selected for new designs?

A: Selection depends on regulatory requirements. For applications requiring RoHS compliance, specify the 3352P-1-203LF. For applications without RoHS constraints, either part is acceptable based on availability and cost considerations.

Q: Are both parts currently in production?

A: Yes. Both the 3352P-1-203 and 3352P-1-203LF maintain active product status with Bourns Inc.