Bourns 3299P-1-100 Trimmer Potentiometer Equivalent & Substitute Parts

Part Overview

The Bourns 3299P-1-100 is a 10 Ohm, 0.5W through-hole trimmer potentiometer with PC pin termination and side adjustment capability. This sealed Trimpot® 3299 series component is designed for applications requiring precision resistance adjustment in compact rectangular form factors. The part is currently active in production with 812 units in stock. Equivalent and substitute parts are identified based on matching electrical specifications, mechanical dimensions, and termination characteristics to ensure direct functional interchangeability in circuit applications.

Substiute Parts

3299P-1-100

Bourns Inc.In Stock: 8493299P-1-100 Datasheet

Current PartRFQ

3299P-1-100LF

Bourns Inc.In Stock: 9713299P-1-100LF Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the 3299P-1-100 are identified based on the following critical parameters that determine functional interchangeability:

• Resistance value: 10 Ohms
• Power rating: 0.5W (1/2W)
• Tolerance: ±10%
• Temperature coefficient: ±100ppm/°C
• Number of turns: 25
• Adjustment type: Side Adjustment
• Resistive material: Cermet
• Mounting type: Through Hole
• Termination style: PC Pins
• Physical dimensions: Rectangular - 0.240" x 0.375" Face (6.10mm x 9.53mm)
• Series: Trimpot® 3299 - Sealed

The 3299P-1-100LF variant meets all these criteria and is classified as a direct substitute. The primary distinction between the main part and its substitute is the RoHS compliance status, with the LF variant offering ROHS3 compliance compared to the non-compliant status of the original part.

Parameter Comparison

Engineering Selection Recommendations

The 3299P-1-100LF is a direct functional equivalent to the 3299P-1-100. Both parts share identical electrical and mechanical specifications within the Trimpot® 3299 sealed series. The primary distinction is regulatory compliance: the 3299P-1-100LF carries ROHS3 certification, making it suitable for applications subject to RoHS directives, while the original 3299P-1-100 does not meet RoHS requirements. Both parts are affected by REACH regulations. Selection between these parts should be based on regulatory requirements applicable to the end application and supply chain constraints. The 3299P-1-100LF offers higher current inventory availability at 944 units compared to 812 units for the original part.

Frequently Asked Questions (FAQ)

Q: Can the 3299P-1-100LF be used as a direct replacement for the 3299P-1-100?

A: Yes. The 3299P-1-100LF is a direct substitute. All electrical parameters, mechanical dimensions, and functional characteristics are identical. The only difference is RoHS compliance status.

Q: What is the significance of the "LF" designation in the 3299P-1-100LF part number?

A: The "LF" suffix indicates lead-free termination and ROHS3 compliance. This designation reflects the manufacturing process and material composition used to meet RoHS directives.

Q: Are there any compatibility concerns when substituting between these parts?

A: No compatibility concerns exist. Both parts are through-hole mounted with PC pin termination, identical physical dimensions, and matching electrical specifications. PCB layout and circuit design remain unchanged.

Q: Which part should be selected for new designs?

A: Selection depends on regulatory requirements. For applications requiring RoHS compliance, specify the 3299P-1-100LF. For applications without RoHS requirements, either part is acceptable based on availability and cost considerations.

Q: Do both parts have the same packaging?

A: Yes. Both the 3299P-1-100 and 3299P-1-100LF are supplied in tube packaging.