Bourns 3362X-1-503 Trimmer Potentiometer Equivalent & Substitute Parts

Part Overview

The Bourns 3362X-1-503 is a 50 kOhm, 0.5W through-hole trimmer potentiometer with PC pin termination and side adjustment capability. This sealed Trimpot® 3362 series component is designed for applications requiring precision variable resistance in compact rectangular form factors. The part is currently active in production. Equivalent and substitute parts are identified to support procurement flexibility, inventory management, and compliance requirements across different manufacturing and distribution channels.

Substiute Parts

3362X-1-503

Bourns Inc.In Stock: 9833362X-1-503 Datasheet

Current PartRFQ

3362X-1-503LF

Bourns Inc.In Stock: 22773362X-1-503LF Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution for the 3362X-1-503 is determined by strict equivalence across all critical electrical and mechanical parameters: resistance value (50 kOhms), power rating (0.5W), tolerance (±10%), temperature coefficient (±100ppm/°C), number of turns (1), adjustment type (side adjustment), resistive material (cermet), mounting type (through hole), termination style (PC pins), and physical dimensions (0.275" x 0.260" rectangular face).

The identified substitute part, 3362X-1-503LF, maintains identical electrical specifications and mechanical form factor. The primary distinction between the main part and its substitute is RoHS compliance status and lead-free termination designation (indicated by the "LF" suffix). Both parts belong to the same Trimpot® 3362 sealed series and are manufactured by Bourns Inc.

Parameter Comparison

Engineering Selection Recommendations

Selection between 3362X-1-503 and 3362X-1-503LF is determined by regulatory and compliance requirements applicable to the end application.

The 3362X-1-503LF is specified for applications requiring ROHS3 compliance. This variant incorporates lead-free termination and meets current RoHS Directive requirements. Both parts maintain identical electrical performance and mechanical compatibility.

The 3362X-1-503 remains suitable for applications where RoHS compliance is not mandated or where legacy component specifications are maintained. Both parts are active products from Bourns Inc. and carry REACH Affected status.

Selection should be based on the specific regulatory framework governing the target application and end-use market requirements.

Frequently Asked Questions (FAQ)

Q: Are 3362X-1-503 and 3362X-1-503LF electrically interchangeable?

A: Yes. Both parts are electrically identical with 50 kOhm resistance, 0.5W power rating, ±10% tolerance, and ±100ppm/°C temperature coefficient. They are functionally equivalent in circuit operation.

Q: What does the "LF" suffix indicate?

A: The "LF" designation indicates lead-free termination and ROHS3 compliance. The 3362X-1-503LF meets current RoHS Directive requirements for restricted substances.

Q: Can these parts be used interchangeably on the same PCB?

A: Yes. Both parts share identical mechanical dimensions (0.275" x 0.260" rectangular face), PC pin termination, and through-hole mounting. PCB footprints and assembly processes are compatible.

Q: What is the primary reason to select one part over the other?

A: Selection is determined by regulatory compliance requirements. Choose 3362X-1-503LF for applications requiring ROHS3 compliance. Choose 3362X-1-503 where RoHS compliance is not required or for legacy designs.

Q: Are both parts currently available?

A: Yes. Both parts are active products from Bourns Inc. Inventory availability may vary by distributor and region.

Q: Do these parts have different performance characteristics?

A: No. Both parts deliver identical electrical performance, temperature stability, and adjustment characteristics. Differences are limited to compliance certifications and termination material composition.