PTV142B40E120AB503

Temperature Coefficient:	--
Mounting Type:	Panel Mount
Bushing Thread:	M9 x 0.75
Actuator Diameter:	0.236" (6.00mm)
Actuator Length:	0.787" (20.00mm)
Actuator Type:	Flatted
Termination Style:	PC Pins, Board Locks
Resistive Material:	Carbon
Adjustment Type:	Top Adjustment
Rotation:	300°
Number of Turns:	1
Series:	PTV142B
Power (Watts):	0.05W, 1/20W
Built in Switch:	None
Number of Gangs:	2
Tolerance:	±20%
Resistance (Ohms):	50k
Taper:	Linear
Moisture Sensitivity Level (MSL):	--
Part Status:	Obsolete
Lead Free Status / RoHS Status:	--
Packaging:	Tray

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Rotary Potentiometers, Rheostats

A rotary potentiometer, also known as a rheostat, is a type of electrical device used to control resistance in a circuit, allowing users to adjust the level of current or the current itself. Specifically, a rotary potentiometer is made up of a resistor and a knob which, when rotated, changes the value of the resistance and thus alters the electrical flow in the circuit. These electrical devices are commonly used in industrial and automotive applications, and can also be found in home appliances, audio systems, and medical imaging systems.The PTV142B40E120AB503 is an example of a rotary potentiometer. Its primary application area is automotive electronics, where it is used as part of an ignition switch. It has an adjustable resistance range of 0-120 ohms, which allows users to configure the circuit precisely for their desired outcome. Additionally, this model is resistant to shock and vibration, making it well-suited for automotive applications.Generally, the working principle of a rotary potentiometer is simple. Its knob is connected to a sliding contact, which is connected to the resistor. When the knob is turned, the contact slides up or down the resistor, changing the resistance in the circuit. The amount of resistance present in the circuit is directly proportional to the position of the sliding contact on the resistor. Therefore, the position of this contact can be used to measure the resistance in the circuit.In its application, the PTV142B40E120AB503 follows the same general principle of operation. Its adjustable shaft is connected to the sliding contact, which is connected to the resistive element. Turning the knob causes the sliding contact to move in either direction along the resistive element, thereby changing the resistance of the circuit. This adjustable resistance allows users to precisely configure the circuit to a desired level of performance.To sum up, the PTV142B40E120AB503 is a rotary potentiometer designed for use in automotive electronics. It has an adjustable resistance range of 0-120 ohms, allowing users to precisely configure the circuit for the desired outcome. When its knob is turned, the sliding contact changes the resistance of the circuit, allowing users to measure it precisely. This versatile and durable device is well-suited for a variety of automotive applications.

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