3269W-1-105LF

Series:	Trimpot® 3269 - Sealed
Packaging:	Tube
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Resistance:	1 MOhms
Power (Watts):	0.25W, 1/4W
Tolerance:	±10%
Temperature Coefficient:	±100ppm/°C
Number of Turns:	12
Adjustment Type:	Top Adjustment
Resistive Material:	Cermet
Mounting Type:	Surface Mount
Termination Style:	Gull Wing
Size / Dimension:	Rectangular - 0.250" x 0.170" Face x 0.293" H (6.35mm x 4.32mm x 7.44mm)

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Trimmer Potentiometers

Trimmer Potentiometers, usually referred to as trimmers/trimmer pots, have become an essential part of many common applications. They are potentiometers, usually used to measure various parameters such as voltage, current, resistance in various devices such as variable gain amplifiers, phase locked loops, and other applications. One such trimmer which is very popular is 3269W-1-105LF which is widely used in various applications.

Application Field

3269W-1-105LF is a potentiometer which can be used for a wide variety of applications such as the PLL (programmable logic controllers), signal generation, or switching power supplies. It can also be used for a variety of industrial control/detection purposes, given its wide resistance range of 0.010Ω-100KΩ. Its operation temperature range ranges between -25°C and +85°C, which makes it suitable for outdoor use. It also has a relatively smaller size compared to other types of potentiometers, so it can be used for space-constrained applications. In addition, its rated voltage rating can range between 6V and 24V depending on the application.

Working Principle

The basic working principle of a trimmer pot is the same as any other type of potentiometer; when a voltage is applied across its terminals, it turns the variable resistor in order to create a voltage proportional to the degree of its rotation. However, the big difference between a trimmer potentiometer and another type is that the trimmer pot has a much more small range of adjustment.The most common way a trimmer pot works is by passing a current through its resistive element. When the trimmer is in its full “on” position, the current will be allowed to pass through completely, allowing the maximum current to flow through. As the trimmer is turned into its “off” position, it will reduce the amount of current that is allowed to flow through, thereby decreasing the total current that is supplied. This type of mechanism can be used to fine-tune many types of applications and devices.

Conclusion

The 3269W-1-105LF trimmer potentiometer has a wide variety of uses, due to its wide resistance range, rated voltage range, and suitable operating temperature range. Its small size makes it suitable for use in space-constrained applications, and its working principle consists of passing a current through its resistance element, allowing it to control the amount of current that is allowed through. In summary, the 3269W-1-105LF trimmer pot is a versatile device which can be used to fine-tune many types of applications.

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