3386U-1-102RLF Equivalent & Substitute Parts

Part Overview

The Bourns 3386U-1-102RLF is a 1 kOhm, 0.5W through-hole trimmer potentiometer with PC pin termination and top adjustment. This sealed Trimpot® 3386 series component features cermet resistive material, ±10% tolerance, and ±100ppm/°C temperature coefficient. The part is Active status and ROHS3 compliant. Equivalent and substitute parts are identified based on matching electrical specifications, mechanical compatibility, and functional performance within the allowed parameter ranges for this trimmer potentiometer category.

Substiute Parts

3386U-1-102RLF

Bourns Inc.In Stock: 10683386U-1-102RLF Datasheet

Current PartRFQ

25PR1KLF

TT Electronics/BIIn Stock: 1231025PR1KLF Datasheet

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72PMR1KLF

TT Electronics/BIIn Stock: 204472PMR1KLF Datasheet

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72PR1KLF

TT Electronics/BIIn Stock: 200572PR1KLF Datasheet

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82PR1KLF

TT Electronics/BIIn Stock: 290082PR1KLF Datasheet

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M63P102KB40

Vishay SpectrolIn Stock: 1152M63P102KB40 Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the 3386U-1-102RLF are qualified based on the following electrical and mechanical parameters:

Electrical Equivalence Criteria:

• Resistance value: 1 kOhms
• Power rating: 0.5W (1/2W)
• Tolerance: ±10%
• Temperature coefficient: ±100ppm/°C
• Number of turns: 1
• Resistive material: Cermet

Mechanical Compatibility Criteria:

• Mounting type: Through Hole
• Termination style: PC Pins
• Adjustment type: Top or Side adjustment (functional equivalence)
• Physical form factor: Square or round configurations within standard trimmer potentiometer envelope

All substitute parts listed meet the core electrical specifications. Physical dimensions and adjustment orientation may vary within the allowed mechanical envelope for this component category.

Parameter Comparison

Engineering Selection Recommendations

All substitute parts listed are Active status components with ROHS3 compliance or RoHS compliance, ensuring regulatory alignment with the original 3386U-1-102RLF.

Direct Electrical Equivalents (Identical Electrical Performance):

• 72PMR1KLF and 72PR1KLF: Identical electrical specifications and physical dimensions to the main part. Both are ROHS3 compliant with higher inventory availability.

Electrical Equivalent with Dimensional Variation:

• 25PR1KLF: Smaller form factor (0.270" x 0.270" vs. 0.375" x 0.375"). Suitable for space-constrained applications. RoHS compliant.
• 82PR1KLF: Round configuration (0.250" diameter) instead of square. Suitable for applications requiring circular form factor.

Electrical Equivalent with Adjustment Orientation Difference:

• M63P102KB40: Side adjustment instead of top adjustment. Slightly larger form factor (0.395" x 0.395"). Suitable for applications where side-mounted adjustment is preferred or required.

Frequently Asked Questions (FAQ)

Q: Can I substitute 25PR1KLF for 3386U-1-102RLF in my design? A: Yes, electrically. The 25PR1KLF matches all electrical parameters (1 kOhm, 0.5W, ±10%, ±100ppm/°C, 1 turn, cermet, top adjustment). The primary difference is physical size: 0.270" x 0.270" versus 0.375" x 0.375". Verify PCB layout compatibility before implementation.

Q: What is the difference between 72PR1KLF and 72PMR1KLF? A: Both parts are electrically and dimensionally identical to each other and functionally equivalent to the 3386U-1-102RLF. The difference is in the base product number designation (72PR vs. 72PMR). Both are ROHS3 compliant and available in bulk packaging.

Q: Can I use M63P102KB40 as a direct replacement? A: Electrically, yes. The M63P102KB40 matches all electrical specifications. The key difference is adjustment orientation: side adjustment versus top adjustment on the original part. This affects physical mounting and adjustment accessibility. Confirm your application design accommodates side-mounted adjustment.

Q: Are all substitute parts ROHS3 compliant? A: Five of the six substitute parts are ROHS3 compliant. The 25PR1KLF is RoHS compliant. Both certifications meet regulatory requirements for this component category.

Q: Which substitute offers the best inventory availability? A: The 25PR1KLF has the highest inventory at 12,299 pieces. However