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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 3313
Data Sheet 3313
Photo 3313
Rotational Life 100 cycles
Number of Turns 1
Power Rating 0.125 watts
Mounting Type surface mount
Resistance Range 10 ohms to 2 megohms
CRV/ENR* 3 % or 3 ohms (whichever is greater)
Construction sealed
Design Files Downloads
Engineering View Engineering Data
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3313 Models

3313J-1-100E
3313J-1-101E
3313J-1-102D
3313J-1-102E
3313J-1-103E
3313J-1-104E
3313J-1-105E
3313J-1-200D
3313J-1-200E
3313J-1-201E
3313J-1-201G
3313J-1-202E
3313J-1-202G
3313J-1-203E
3313J-1-204D
3313J-1-204E
3313J-1-205E
3313J-1-301E
3313J-1-473E
3313J-1-500D
3313J-1-500E
3313J-1-501E
3313J-1-501G
3313J-1-502E
3313J-1-503D
3313J-1-503E
3313J-1-504D
3313J-1-504E
3313J-10-201E
3313S-1-100E
3313S-1-101E
3313S-1-102E
3313S-1-103E
3313S-1-104E
3313S-1-105E
3313S-1-200E
3313S-1-201E
3313S-1-202E
3313S-1-203E
3313S-1-204E
3313S-1-205E
3313S-1-253E
3313S-1-254E
3313S-1-304E
3313S-1-500E
3313S-1-501E
3313S-1-502E
3313S-1-503E
3313S-1-504E
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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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