3314S-3-253E

Series:	Trimpot® 3314 - Sealed
Packaging:	Tape & Reel (TR)
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Resistance:	25 kOhms
Power (Watts):	0.25W, 1/4W
Tolerance:	±20%
Temperature Coefficient:	±100ppm/°C
Number of Turns:	1
Adjustment Type:	Side Adjustment
Resistive Material:	Cermet
Mounting Type:	Surface Mount
Termination Style:	J Lead
Size / Dimension:	Rectangular - 0.197" x 0.177" Face x 0.221" H (5.01mm x 4.50mm x 5.61mm)

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Introduction

Trimmer Potentiometers, referred to as trimmers, are adjustable resistors with three terminals and a sliding contact. This sliding contact, called a wiper, moves across a resistive element when its shaft is turned. Trim pots provide a way of adjusting system settings manually. The 3314S-3-253E is the most commonly used trim pot and is used for a number of different applications. This article will explore the applications and working principles of this type of trimmer.

Applications

The 3314S-3-253E trimmer potentiometer is a high-precision device with an exceptionally stable performance over a wide temperature range. This makes it particularly suitable for applications in which accurate and repeatable adjustment is required. It is a popular choice for light dimmers, automatic gain control (AGC) circuits, bias adjustment for active filter circuits and for active matrix displays.In light dimmers, the trimmer is used to set the right level of light for a space. It can also be used to adjust the contrast of a display screen. In AGC circuits, the trimmer is used to adjust the gain of an amplifier to provide a constant output level. In active filter circuits, it is used to adjust the bias of the filter, which controls its frequency response. In active matrix displays, the trim pot is used to adjust the brightness of the display.

Working Principle

The working principle of the trim pot is fairly simple. A resistive element is connected between two of the terminals and the wiper is connected to the third. When the shaft is turned, the wiper moves along the resistive element, changing the resistance between the wiper and the other two terminals. This change in resistance is what allows the user to adjust the settings of the device. The 3314S-3-253E has a high-precision design with a stable performance over a wide temperature range. It is able to achieve a resolution of 9.09 mΩ (1 aH) and allows the user to adjust the trim pot in very small increments.

Conclusion

The 3314S-3-253E trimmer potentiometer is a versatile and precision device that can be used for a variety of different applications. It is especially popular for AGC circuits, light dimmers, bias adjustment for active filters, and active matrix displays. It has a stable performance over a wide temperature range, allowing it to achieve a high level of accuracy and repeatability in its adjustments.

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