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Single-turn Trimpot® Trimming Potentiometers

Trimpot® Trimming Potentiometers - Single-turn

Bourns® Trimpot® Trimming potentiometers perform a variety of circuit adjustments in all types of electronic equipment. The variety of physical configurations available and the ability to withstand today's manufacturing environment offers the designer flexibility in selecting the best trimmer for the application.

Bourns single-turn trimmers are actuated by a direct-drive mechanism. It consists of a simple rotor with a slot, whose wiper movement is traversed in a circular path. Package types available include:

  • Sealed trimmers are built with an o-ring seal to prevent entrance of moisture and serve as a mechanical restraint to prevent unwanted wiper movement.
  • Open-frame trimmers are not sealed to withstand a cleaning process and are usually lower in cost.
Single-turn trimmers are designed with a direct-drive actuation for resistance adjustment and suitable for applications such as data input for digital equipment, where the level of accuracy is not critical.

Customers choose Bourns for our 70-year history of trimming potentiometer technology innovation and broad range of physical configurations; rugged enough to withstand today's manufacturing environments. Around the world, Bourns Trimpot products are used in virtually every electronic market.

Please read our article on safety issues concerning counterfeit Bourns® Trimmers.

QPL approved part number list.

Bourns offers Design Kits for this product line.

For application notes, processing information, adjustment tools, hardware and further documents please visit library.

Mineral Source Reporting for Trimpot®, Switch, and Modular Contact products CMRT

ObsoleteProducts marked with this symbol are currently available, although not recommended for new designs.

Series 3361
Data Sheet 3361
Photo 3361
Rotational Life 200 cycles
Number of Turns 1
Power Rating 0.5 watts
Mounting Type surface mount
Resistance Range 10 ohms to 2 megohms
CRV/ENR* 3 % or 3 ohms max. (whichever is greater)
Construction sealed
Design Files Downloads
Engineering View Engineering Data
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3361 Models

3361P-1-100G
3361P-1-101G
3361P-1-102G
3361P-1-103
3361P-1-103G
3361P-1-104G
3361P-1-105G
3361P-1-200G
3361P-1-201G
3361P-1-202G
3361P-1-203G
3361P-1-204G
3361P-1-205G
3361P-1-253G
3361P-1-254G
3361P-1-500G
3361P-1-501G
3361P-1-502G
3361P-1-503G
3361P-1-504G
3361P-201G
3361S-1-100G
3361S-1-101G
3361S-1-102G
3361S-1-103
3361S-1-103G
3361S-1-104
3361S-1-104G
3361S-1-105G
3361S-1-200G
3361S-1-201G
3361S-1-202G
3361S-1-203G
3361S-1-204G
3361S-1-205G
3361S-1-253G
3361S-1-254G
3361S-1-500G
3361S-1-501G
3361S-1-502G
3361S-1-503G
3361S-1-504G
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*CRV stands for Contact Resistance Variation. It is the instantaneous change in contact resistance that will be encountered as the result of moving the wiper from one position to another. The limit of CRV is expressed as a percentage of the unit’s total resistance or ohms. When the wiper is actuated, the resistance at the wiper terminal, with respect to either end terminal, is apt to increase or decrease by a value within the CRV specification. (The Potentiometer Hand Book, Carl David Todd, Page 26)
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