Bourns 3339H-1-102 Trimmer Potentiometer Equivalent & Substitute Parts

Part Overview

The Bourns 3339H-1-102 is a 1 kOhm, 0.5W through-hole trimmer potentiometer with PC pin termination, designed for sealed applications requiring top adjustment. This component is currently active in production with 874 units in stock. Substitute parts are identified based on matching electrical specifications, mechanical compatibility, and functional equivalence within the Bourns Trimpot® product family and related series.

Substiute Parts

3339H-1-102

Bourns Inc.In Stock: 9133339H-1-102 Datasheet

Current PartRFQ

3339H-1-102LF

Bourns Inc.In Stock: 10443339H-1-102LF Datasheet

DirectRFQ

PV12P102A01B00

Bourns Inc.In Stock: 1050PV12P102A01B00 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the 3339H-1-102 are classified based on electrical and mechanical parameter matching:

Direct Manufacturer Substitute (3339H-1-102LF): Identical electrical specifications (1 kOhm, 0.5W, ±10% tolerance, ±100ppm/°C, 4-turn, top adjustment, cermet, PC pins, through-hole). Same series (Trimpot® 3339 - Sealed). Packaging differs (Tube vs. Tube). Primary distinction is RoHS compliance status (ROHS3 Compliant vs. RoHS non-compliant).

Similar Series Substitute (PV12P102A01B00): Matches all critical electrical parameters (1 kOhm, 0.5W, ±10% tolerance, ±100ppm/°C, 4-turn, top adjustment, cermet, PC pins, through-hole). Belongs to different series (PV12 vs. Trimpot® 3339). Physical dimension tolerance is tighter (0.299" vs. 0.300"). Packaging is Bulk. RoHS3 Compliant and REACH Unaffected.

Substitution eligibility is determined by matching: resistance value, power rating, tolerance, temperature coefficient, number of turns, adjustment type, resistive material, mounting type, termination style, and functional form factor.

Parameter Comparison

Engineering Selection Recommendations

3339H-1-102LF is the primary direct substitute. It maintains identical electrical and mechanical specifications within the same Trimpot® 3339 - Sealed series. The key distinction is RoHS compliance: the 3339H-1-102LF achieves ROHS3 compliance, making it suitable for applications with RoHS regulatory requirements. Both parts are active products with comparable inventory levels.

PV12P102A01B00 is a cross-series alternative from the PV12 product line. It satisfies all critical electrical parameters and mechanical form factor requirements. Physical dimensions are within tolerance (0.299" vs. 0.300" diameter). This part is ROHS3 Compliant and REACH Unaffected. Selection of this substitute should account for series-level differences and packaging format (Bulk vs. Tube).

Selection between substitutes depends on regulatory compliance requirements (RoHS status), supply chain preferences (packaging format), and series-specific design considerations.

Frequently Asked Questions (FAQ)

Q: Can 3339H-1-102LF replace 3339H-1-102 in existing designs?

A: Yes. Both parts share identical electrical specifications (1 kOhm, 0.5W, ±10%, ±100ppm/°C, 4-turn, top adjustment, cermet, PC pins) and mechanical form factor (0.300" diameter, through-hole, round package). The primary difference is RoHS compliance status. No circuit redesign is required.

Q: What is the difference between 3339H-1-102 and PV12P102A01B00?

A: Both parts have matching electrical parameters and functional specifications. The differences are: series designation (Trimpot® 3339 - Sealed vs. PV12), physical diameter tolerance (0.300" vs. 0.299"), packaging format (Tube vs. Bulk), and regulatory status (RoHS non-compliant vs. ROHS3 Compliant). Electrical performance and mechanical compatibility are equivalent.

Q: Are there packaging considerations when selecting a substitute?

A: Yes. The 3339H-1-102 and 3339H-1-102LF are supplied in Tube packaging, while PV12P102A01B00 is supplied in Bulk packaging. Tube packaging is suitable for automated assembly processes, while Bulk packaging is typically used for manual assembly or reel-based handling. Verify packaging compatibility with your assembly process before selection.

Q: Does the 0.001" diameter difference between 3339H-1-102 and PV12P102A01B00 affect mechanical fit?

A: The diameter difference (0.300" vs. 0.299") is within standard mechanical tolerance for through-hole mounting. Both parts are round packages with PC pin termination and are mechanically compatible with standard PCB hole patterns designed for 0.300" diameter components. Verify hole diameter specifications in your PCB design.

Q: Which substitute should I select for new designs?

A: For new designs, 3339H-1-102LF is recommended as the primary choice due to ROHS3 compliance and identical series specifications. PV12P102A01B00 is suitable if cross-series sourcing is required or if bulk packaging aligns with manufacturing processes.