3319W-1-222

Series:	Trimpot® 3319 - Open Frame
Packaging:	Bulk
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Resistance:	2.2 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, also known as trim pots, are rotary variable resistors with three terminals. They are often used as an adjustable component of a circuit to set a range of parameters such as level, gain, and offset. The 3319W-1-222 is an example of a trimmer potentiometer. Application Field Trimmer potentiometers are commonly found in the following fields: • In audio equipment, trimmer potentiometers are used to control tonal quality, equalization, volume, and balance. • In test equipment, they are used to adjust the calibration, accuracy, and sensitivity of the equipment.• In medical equipment, trimmer potentiometers are used to adjust the settings of medical machinery. • In automotive electronics, trimmer potentiometers are used to regulate engine parameters such as timing, fuel delivery, and air-fuel ratio.• In telecommunications, trimmer potentiometers are used to adjust the levels of transmission and reception signals.Working PrincipleTrimmer potentiometers consist of a resistance track with a moveable contact that travels along it. This contact is connected to a shaft or slider that can be turned to adjust the resistance. The moving contact is attached to a wiper, which is spring-loaded and positioned at one end of the track. The other end of the track is connected to an adjustable screw, which is used to set the resistance levels.When the slider is adjusted, the resistance of the trimmer potentiometer changes. This causes a change in voltage in the circuit which can be used to control the operation of the circuit. For example, in an audio system, the trimmer potentiometer can be used to adjust the equalization of the audio signal. The 3319W-1-222 is a linear trimmer potentiometer with a resistance range of 10 ohms to 20 kilohms. It features a dual metalized, flat-ganged, conductive plastic element, with an adjustable screw. The slider is turned clockwise to increase the resistance, and turned counter-clockwise to decrease the resistance. ConclusionTrimmer potentiometers are a versatile and adjustable component in many electronic circuits. The 3319W-1-222 is a linear trimmer potentiometer with a resistance range of 10 ohms to 20 kilohms. It is commonly used in audio equipment, test equipment, medical equipment, automotive electronics, and telecommunications. The trimmer potentiometer operates by adjusting the resistance levels of a circuit, which causes a change in voltage that can be used to control the operation of the circuit.

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