Equivalent & Substitute Parts for 3386P-1-202

Part Overview

The Bourns 3386P-1-202 is a 2 kOhm, 0.5W through-hole trimmer potentiometer with PC pin termination and top adjustment. 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

3386P-1-202

Bourns Inc.In Stock: 7373386P-1-202 Datasheet

Current PartRFQ

3386P-1-202LF

Bourns Inc.In Stock: 301463386P-1-202LF Datasheet

DirectRFQ

25PR2KLF

TT Electronics/BIIn Stock: 560825PR2KLF Datasheet

SimilarRFQ

72PR2KLF

TT Electronics/BIIn Stock: 142172PR2KLF Datasheet

SimilarRFQ

82PR2KLF

TT Electronics / BI TechnologiesIn Stock: 209082PR2KLF Datasheet

SimilarRFQ

M63P202KB40

Vishay SpectrolIn Stock: 1100M63P202KB40 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution for the 3386P-1-202 is determined by strict equivalence across the following critical parameters: resistance value (2 kOhms), power rating (0.5W), tolerance (±10%), temperature coefficient (±100ppm/°C), number of turns (1), resistive material (Cermet), mounting type (through hole), and termination style (PC pins).

The substitute parts are grouped into two categories:

Direct Equivalent: 3386P-1-202LF maintains identical electrical and mechanical specifications with improved RoHS3 compliance status.

Functional Equivalents with Dimensional Variations: 25PR2KLF, 72PR2KLF, 82PR2KLF, and M63P202KB40 meet all core electrical parameters but differ in physical dimensions and/or adjustment mechanism. These parts are suitable for applications where form factor flexibility exists or where specific mounting constraints are not critical.

Parameter Comparison

Engineering Selection Recommendations

For direct replacement with improved compliance: Select 3386P-1-202LF. This part is electrically and mechanically identical to the 3386P-1-202 while offering ROHS3 compliance and REACH unaffected status, addressing regulatory requirements for new designs.

For space-constrained applications: The 25PR2KLF (0.270" x 0.270") and 82PR2KLF (0.250" diameter) provide the same electrical performance in reduced footprints. Both are RoHS compliant and suitable for compact PCB layouts.

For form factor compatibility with original specifications: The 72PR2KLF maintains the 0.375" x 0.375" footprint of the original part while providing ROHS3 compliance and improved availability.

For side-adjustment applications: The M63P202KB40 offers identical electrical specifications with side adjustment mechanism and slightly larger footprint (0.395" x 0.395"). This part is suitable only where side adjustment is functionally required and PCB layout permits the larger dimensions.

All substitute parts maintain active product status and are available in production quantities.

Frequently Asked Questions (FAQ)

Q: Can 3386P-1-202LF be used as a direct drop-in replacement for 3386P-1-202?

A: Yes. The 3386P-1-202LF is electrically and mechanically identical, with identical footprint and pin configuration. The primary difference is improved RoHS3 compliance status.

Q: What is the key difference between top-adjustment and side-adjustment trimmers?

A: Adjustment mechanism location determines accessibility during calibration. Top-adjustment parts (3386P-1-202, 3386P-1-202LF, 25PR2KLF, 72PR2KLF, 82PR2KLF) allow adjustment from the component top surface. Side-adjustment parts (M63P202KB40) require access from the side. Selection depends on PCB layout and calibration accessibility requirements.

Q: Are dimensional differences between substitute parts critical?

A: Dimensional compatibility depends on PCB layout constraints. The 25PR2KLF (6.86mm) and 82PR2KLF (6.35mm) are significantly smaller than the original 3386P-1-202 (9.53mm). The 72PR2KLF maintains the original footprint. The M63P202KB40 is slightly larger (10.03mm). Verify PCB mounting hole spacing and clearance requirements before selection.

Q: Do all substitute parts meet the same electrical specifications?

A: Yes. All listed substitutes maintain 2 kOhms resistance, 0.5W power rating, ±10% tolerance, ±100ppm/°C temperature coefficient, 1 turn, Cermet material, and PC pin termination. Electrical performance is equivalent across all parts.

Q: What is the compliance status difference between the original and substitutes?

A: The 3386P-1-202 is RoHS non-compliant. All substitutes (3386P-1-202LF, 25PR2KLF, 72PR2KLF, 82PR2KLF, M63P202KB40) are RoHS compliant or ROHS3 compliant. For new designs, RoHS-compliant alternatives are recommended.

Q: Can packaging format (Tube vs. Bulk) affect part selection?

A: Packaging format affects order quantity and handling but not electrical or mechanical performance. The 3386P-1-202 and 3386P-1-202LF are supplied in Tube packaging. The 25PR2KLF is supplied in Tube; 72PR2KLF, 82PR2KLF, and M63P202KB40 are supplied in Bulk. Verify packaging requirements for your procurement process.