43WR500KLFTB

Series:	43
Part Status:	Active
Lead Free Status / RoHS Status:	--
Resistance:	500 kOhms
Power (Watts):	0.125W, 1/8W
Tolerance:	±20%
Temperature Coefficient:	±100ppm/°C
Number of Turns:	11
Adjustment Type:	Top Adjustment
Resistive Material:	Cermet
Mounting Type:	Surface Mount
Termination Style:	J Lead
Size / Dimension:	Rectangular - 0.162" x 0.125" Face x 0.162" H (4.12mm x 3.18mm x 4.12mm)

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Trimmer Potentiometers
A trimmer potentiometer is a device that can be used to manually adjust the resistance in a circuit. It is typically composed of a resistive element, a rotating knob, and a body. The rotating knob usually has a detent feature, which allows it to remain stationary at pre-set positions throughout its adjustment range.Trimmer potentiometers are primarily used for calibration and adjustment of electronic equipment. They can be used to adjust the power supply voltage, the signal amplitude, the frequency of signals, and other parameters that require a certain level of accuracy.The 43WR500KLFTB is a trimmer potentiometer manufactured by Bourns. It is a 3-terminal device with an adjustable resistance of 500,000 ohms. Its resistance can be adjusted by turning the rotating knob and it has a long-life feature, meaning it can withstand up to 1,000,000 rotations. This makes the 43WR500KLFTB an ideal choice for applications that require frequent adjustments such as test equipment and laboratory use, as well as industrial applications such as pumps, motors, and other process control devices.The 43WR500KLFTB has an adjustable resistance range of 500,000 ohms, which is adjustable in 10,000-ohm increments. It has an operating temperature range of -55 degrees C to 85 degrees C, an insulation resistance of 100 M ohms minimum, and a working voltage of 250 volts AC / DC. It is a 3-terminal device, with two terminals known as the motor terminals, and one terminal known as the ground terminal. The motor terminals are connected to the adjustable resistor, while the ground terminal is typically connected to the ground or chassis.The working principle of a trimmer potentiometer is fairly simple. By turning the rotating knob, the user can increase or decrease the resistance of the device. This change in resistance will then affect the voltage or current passing through the circuit, allowing for precise control over various parameters. The resistance can be increased or decreased in small increments, which allows for accurate adjustments.In conclusion, the 43WR500KLFTB is a three-terminal trimmer potentiometer with an adjustable resistance range of 500,000 ohms. It is designed for applications that require relatively precise adjustments and has a long-life feature, making it suitable for frequent adjustments. It works on the principle that by adjusting the resistance, the user can control the voltage or current passing through the circuit.

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