83PR20KLF

Series:	83
Part Status:	Active
Lead Free Status / RoHS Status:	--
Resistance:	20 kOhms
Power (Watts):	0.5W, 1/2W
Tolerance:	±10%
Temperature Coefficient:	±100ppm/°C
Number of Turns:	1
Adjustment Type:	Top Adjustment
Resistive Material:	Cermet
Mounting Type:	Surface Mount
Termination Style:	Gull Wing
Size / Dimension:	Rectangular - 0.320" x 0.250" Face x 0.180" H (8.12mm x 6.35mm x 4.57mm)

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Trimmer PotentiometersTrimmer potentiometers, or trim pots, are three-terminal adjustable resistors used to accurately set an output voltage or audio gain in an analog circuit. This device uses a look-down design and adjustable resistive element to change its calibrated function. It employs a small screwdriver tip for adjusting and locking, and a removable cover for easy access to the adjusting screws. This device is popularly used in audio amplifiers, power supplies, light dimmers, and many other applications where precise adjustment is necessary.The 83PR20KLF is a single-turn trimmer potentiometer capable of adjusting the output voltage or gain of an analog circuit. The device consists of a resistance element that is connected between three terminals (the wiper terminal, the high terminal, and the low terminal). The wiper terminal is used to control the voltage or gain output, while the high and low terminals are used to adjust the wiper’s position. This makes it possible to accurately set the desired output voltage or gain.The 83PR20KLF is designed mainly for precision adjustment of bipolar power supply and audio signals. It is a high-precision, high-reliability component with a long lifetime of over 100,000 adjustments. It is most suitable for precision control of audio, video, and communications equipment.In terms of design, the 83PR20KLF has a sectional isolation structure for the wiper, and the body is made of nickel-plated steel. The plastic insulation is non-flammable and acid-resistant while the coil slide contact is non-corrosive. This combination of features ensures that the device can resist moisture and dust while remaining stable and reliable.In terms of working principle, the 83PR20KLF consists of a resistance element comprising of a metal wire, and two contact points connected to the metal wire. When the two contact points are short-circuited, the resistance drops to zero, and changes when the wiper is adjusted. This action of the adjustable element provides the precision gain or voltage control.In conclusion, the 83PR20KLF is a two-terminal trimmer potentiometer specially designed for the adjustment of analog voltage and gain. It is composed of three sections: the wiper terminal, the high terminal, and the low terminal. This device is reliable, non-corrosive, and long-lasting, making it an ideal choice for precision control applications.

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