Bourns 3352T-1-504 Thumbwheel Potentiometer - Equivalent & Substitute Parts

Part Overview

The Bourns 3352T-1-504 is a 500 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 available in bulk packaging. The need for equivalent parts arises from supply chain considerations, compliance requirements, and inventory availability across different distribution channels.

Substiute Parts

3352T-1-504

Bourns Inc.In Stock: 11123352T-1-504 Datasheet

Current PartRFQ

3352T-1-504LF

Bourns Inc.In Stock: 19873352T-1-504LF Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the 3352T-1-504 is determined by strict equivalence across the following critical parameters:

• Resistance value: 500 kOhms
• Power rating: 0.5W (1/2W)
• Tolerance: ±20%
• Number of turns: 1
• Adjustment type: Top Adjustment
• Physical dimensions: Round - 0.350" Dia x 0.150" H (8.89mm x 3.81mm)
• Termination style: PC Pins
• Mounting configuration: Through Hole
• Series classification: Trimpot® 3352 - Open Frame

Parts meeting all these parameters are classified as direct substitutes. Variations in RoHS compliance status do not affect functional equivalence but may impact application requirements based on regulatory jurisdiction.

Parameter Comparison

Engineering Selection Recommendations

The 3352T-1-504LF serves as a direct functional equivalent to the 3352T-1-504. Both parts are manufactured by Bourns Inc. and maintain identical electrical and mechanical specifications across all critical parameters.

The primary distinction between these parts is RoHS compliance status. The 3352T-1-504LF carries ROHS3 compliance certification, while the 3352T-1-504 is RoHS non-compliant. Selection between these parts should be based on regulatory requirements applicable to the end application and target market. Applications subject to RoHS directives require the 3352T-1-504LF variant. Applications without RoHS mandates may utilize either part interchangeably from a functional standpoint.

Both parts maintain identical moisture sensitivity levels (MSL 1 - Unlimited), export classifications (EAR99), and tariff codes (8533.40.8050), indicating equivalent handling and logistics requirements.

Frequently Asked Questions (FAQ)

Q: Can the 3352T-1-504LF replace the 3352T-1-504 in existing designs?

A: Yes. The 3352T-1-504LF is functionally equivalent across all electrical and mechanical parameters. Substitution is valid provided the application does not require the specific RoHS non-compliant status of the original part.

Q: What is the significance of the "LF" suffix in the 3352T-1-504LF part number?

A: The "LF" designation indicates lead-free termination and ROHS3 compliance. This reflects manufacturing process changes to meet RoHS directives while maintaining identical component functionality.

Q: Are there any dimensional differences between these parts?

A: No. Both parts share identical physical dimensions: Round - 0.350" Dia x 0.150" H (8.89mm x 3.81mm). PCB layout and mechanical mounting are interchangeable.

Q: Do these parts have different moisture sensitivity requirements?

A: No. Both parts carry MSL 1 (Unlimited) classification, indicating identical moisture sensitivity levels and storage requirements.

Q: Which part should be selected for new designs?

A: Selection depends on regulatory jurisdiction. For applications subject to RoHS requirements, specify the 3352T-1-504LF. For applications without RoHS mandates, either part is acceptable from a technical standpoint.

Q: Are the electrical characteristics identical between these parts?

A: Yes. Both parts provide 500 kOhms resistance at ±20% tolerance with 0.5W power rating, single-turn adjustment, and top-mounted configuration.