Equivalent & Substitute Parts for 3386F-1-501

Part Overview

The Bourns 3386F-1-501 is a 500 Ohm, 0.5W through-hole trimmer potentiometer with PC pin termination, top adjustment, and cermet resistive material. This sealed Trimpot® 3386 series component is designed for applications requiring precision resistance adjustment in compact form factors. The part is currently active in production. Equivalent and substitute parts are identified based on matching electrical specifications, mechanical compatibility, and functional performance within the allowed parameter tolerances for this product category.

Substiute Parts

3386F-1-501

Bourns Inc.In Stock: 9453386F-1-501 Datasheet

Current PartRFQ

3386F-1-501LF

Bourns Inc.In Stock: 193573386F-1-501LF Datasheet

DirectRFQ

25PR500LF

TT Electronics/BIIn Stock: 346425PR500LF Datasheet

SimilarRFQ

72PR500LF

TT Electronics/BIIn Stock: 127572PR500LF Datasheet

SimilarRFQ

82PR500LF

TT Electronics/BIIn Stock: 540482PR500LF Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the 3386F-1-501 is determined by strict equivalence across the following critical parameters: resistance value (500 Ohms), power rating (0.5W), tolerance (±10%), temperature coefficient (±100ppm/°C), number of turns (1), adjustment type (top adjustment), resistive material (cermet), mounting type (through hole), and termination style (PC pins). All identified substitute parts match these electrical and functional specifications. Physical dimensions and packaging format may vary within the substitute group, as these parameters do not affect electrical performance or circuit compatibility when the core specifications are identical.

Parameter Comparison

Engineering Selection Recommendations

All substitute parts listed maintain full electrical and functional equivalence to the 3386F-1-501. Selection among these alternatives should be based on the following factors:

Direct Manufacturer Equivalent: The 3386F-1-501LF is the direct lead-free variant from Bourns Inc., offering RoHS3 compliance while maintaining identical electrical performance and the same series designation (Trimpot® 3386 - Sealed). This part is recommended for applications with RoHS compliance requirements.

Cross-Manufacturer Alternatives: The 25PR500LF, 72PR500LF, and 82PR500LF from TT Electronics/BI are functionally equivalent alternatives that meet all electrical specifications. All three are RoHS compliant. Selection among these should consider packaging requirements (tube versus bulk) and physical form factor differences, which do not affect circuit performance.

Compliance Considerations: If RoHS compliance is required, the 3386F-1-501LF, 25PR500LF, 72PR500LF, and 82PR500LF are all suitable. The original 3386F-1-501 is RoHS non-compliant and should be replaced with a compliant alternative in new designs subject to RoHS regulations.

Frequently Asked Questions (FAQ)

Q: Can the 3386F-1-501 be directly replaced with the 3386F-1-501LF? A: Yes. The 3386F-1-501LF is the lead-free equivalent of the 3386F-1-501 with identical electrical specifications, resistance value, power rating, tolerance, and temperature coefficient. The primary difference is RoHS3 compliance.

Q: What is the difference between the Bourns 3386F series and the TT Electronics/BI alternatives? A: All parts share identical electrical specifications: 500 Ohms, 0.5W, ±10% tolerance, ±100ppm/°C temperature coefficient, 1 turn, top adjustment, cermet material, through-hole mounting, and PC pin termination. The differences are manufacturer, series designation, and physical dimensions.

Q: Are there physical dimension differences between substitute parts? A: Yes. The 3386F-1-501 and 72PR500LF have square faces of 0.375" x 0.375" (9.53mm x 9.53mm). The 25PR500LF has a smaller square face of 0.270" x 0.270" (6.86mm x 6.86mm). The 82PR500LF has a round form factor with 0.250" diameter (6.35mm). These dimensional differences do not affect electrical performance but may impact PCB layout compatibility.

Q: Can I use bulk packaging parts instead of tube packaging? A: Yes, from an electrical and functional standpoint. The 72PR500LF and 82PR500LF are supplied in bulk packaging rather than tubes. Packaging format does not affect component performance; selection should be based on procurement and assembly process requirements.

Q: Which substitute part should I choose for new designs? A: For new designs, the 3386F-1-501LF is recommended as the primary choice, as it maintains the same manufacturer and series while providing RoHS3 compliance. If cross-manufacturer alternatives are acceptable, the 25PR500LF, 72PR500LF, or 82PR500LF are electrically equivalent options.