Bourns 3266Y-1-502 Equivalent & Substitute Parts

Part Overview

The Bourns 3266Y-1-502 is a 5 kOhm, 0.25W through-hole trimmer potentiometer with PC pin termination and top adjustment. This sealed Trimpot® 3266 series component features cermet resistive material and 12-turn adjustment capability. The part is currently active in production. Equivalent substitute parts may be required due to supply availability, regional sourcing preferences, or design revision requirements while maintaining identical electrical and mechanical specifications.

Substiute Parts

3266Y-1-502

Bourns Inc.In Stock: 11463266Y-1-502 Datasheet

Current PartRFQ

64WR5KLF

TT Electronics / BI TechnologiesIn Stock: 216864WR5KLF Datasheet

SimilarRFQ

64YR5KLF

TT Electronics/BIIn Stock: 229064YR5KLF Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the 3266Y-1-502 are qualified based on matching the following critical parameters: resistance value (5 kOhms), power rating (0.25W), tolerance (±10%), temperature coefficient (±100ppm/°C), number of turns (12), adjustment type (top adjustment), resistive material (cermet), mounting type (through hole), and termination style (PC pins).

The substitute parts identified—64WR5KLF and 64YR5KLF—meet all electrical specifications and functional requirements. Minor dimensional variations in the face size (0.250" x 0.165" versus 0.250" x 0.170") remain within acceptable mechanical tolerances for through-hole PCB mounting applications.

Parameter Comparison

Engineering Selection Recommendations

Both 64WR5KLF and 64YR5KLF substitute parts satisfy all electrical and mechanical requirements specified for the 3266Y-1-502. The substitute parts offer improved compliance status: both are RoHS Compliant and REACH Unaffected, compared to the original part which is RoHS non-compliant and REACH Affected. All three parts maintain active production status and identical functional specifications. Selection between the original and substitute parts should be based on compliance requirements, supply chain considerations, and design documentation constraints.

Frequently Asked Questions (FAQ)

Q: Can 64WR5KLF and 64YR5KLF be used interchangeably with 3266Y-1-502?

A: Yes. All three parts share identical electrical specifications (5 kOhms, 0.25W, ±10% tolerance, ±100ppm/°C temperature coefficient, 12-turn adjustment) and functional characteristics (cermet material, top adjustment, PC pin termination, through-hole mounting). The minor face dimension difference (0.170" versus 0.165" height) does not affect PCB mounting compatibility.

Q: What is the difference between 64WR5KLF and 64YR5KLF?

A: Both parts are manufactured by TT Electronics/BI Technologies and share identical electrical and mechanical specifications. The difference lies in the base product number designation (64WR versus 64YR), which reflects different product lines within the same manufacturer. Both are functionally equivalent for this application.

Q: Are there compliance differences between the original and substitute parts?

A: Yes. The 3266Y-1-502 is RoHS non-compliant and REACH Affected. Both substitute parts (64WR5KLF and 64YR5KLF) are RoHS Compliant and REACH Unaffected. Design requirements for regulated markets or RoHS-compliant applications should specify the substitute parts.

Q: What are the inventory levels for each part?

A: 3266Y-1-502: 1053 pcs; 64WR5KLF: 2100 pcs; 64YR5KLF: 2249 pcs. All parts are available as new original stock in tube packaging.

Q: Are there any dimensional constraints for PCB layout?

A: The face dimensions differ slightly: 3266Y-1-502 is 0.250" x 0.170" (6.35mm x 4.32mm), while both substitute parts are 0.250" x 0.165" (6.35mm x 4.19mm). This 0.005" (0.13mm) height reduction does not impact standard through-hole PCB mounting or component placement.