3319W-2-502

Series:	Trimpot® 3319 - Open Frame
Packaging:	Bulk
Lead Free Status / RoHS Status:	--
Part Status:	Obsolete
Moisture Sensitivity Level (MSL):	--
Resistance:	5 kOhms
Power (Watts):	0.2W, 1/5W
Tolerance:	±25%
Temperature Coefficient:	±1000ppm/°C
Number of Turns:	1
Adjustment Type:	Side Adjustment
Resistive Material:	Carbon
Mounting Type:	Through Hole
Termination Style:	PC Pins
Size / Dimension:	Rectangular - 0.354" x 0.433" Face x 0.492" H (9.00mm x 11.00mm x 12.50mm)

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Trimmer PotentiometersTrimmer potentiometers are commonly used in a variety of circuits to provide an adjustable electrical resistance. The two most common types are single-turn and multi-turn trimmers. The 3319W-2-502 is a single-turn trimmer potentiometer.

Application Field

Single-turn trimmer potentiometers, such as the 3319W-2-502, are mainly used in applications which require adjusting or setting resistance values with just a few turns of the adjusting screw. Common applications include:

• Adjusting the gain of an amplifier (for example, in an audio system)
• Adjusting the sensitivity of a comparator circuit
• Adjusting the frequency of an oscillator
• Adjusting the sensitivity of a pressure sensor
• Adjusting the brightness of a LED display
• Adjusting the focus of a telescope
• Setting the idle speed of a motor
• And many more

Working Principle

The working principle of a trimmer potentiometer is similar to that of a regular potentiometer, except that the contacts (known as wipers) which move within the trimmer\'s resistance track are fixed in place. In the case of the 3319W-2-502, the wiper is connected to an adjustable screw, which can be turned to vary the resistance between the two wipers.The 3319W-2-502 is capable of providing an adjustable resistance range between 0 ohms and 510 ohms. The resistance value is determined by the adjustment of the screw. When the screw is turned clockwise, the resistance increases, and when it is turned counterclockwise, the resistance decreases. This makes it easy to adjust the resistance to the desired value.

Conclusion

Trimmer potentiometers are essential components in many types of circuits and are used for a wide variety of purposes. The 3319W-2-502 single-turn trimmer potentiometer offers a simple and convenient way of providing adjustable resistance in circuits. The adjustable screw on the trimmer can easily be used to set the resistance to the desired value.

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