157B104MX

Temperature Coefficient:	±600ppm/°C
Mounting Type:	Panel Mount
Bushing Thread:	3/8-32
Actuator Diameter:	0.2497" (6.34mm)
Actuator Length:	0.875" (22.23mm)
Actuator Type:	Round
Termination Style:	Solder Turret
Resistive Material:	Conductive Plastic
Adjustment Type:	User Defined
Rotation:	Continuous
Number of Turns:	1
Series:	157
Power (Watts):	1W
Built in Switch:	None
Number of Gangs:	1
Tolerance:	±20%
Resistance (Ohms):	100k
Taper:	Linear
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Rotary Potentiometers, Rheostats

Rotary potentiometers and rheostats are both essential components in the electronic engineering field since they enable electrical engineers to make accurate adjustments and receive reliable results. The 157B104MX, specifically, is a variable potentiometer with an integrated rheostat designed for use in a wide range of applications. The 157B104MX is based on a wire wound to a specific resistance and a circular path that is composed of thousands of turns. These turns touch each other, forming a potentiometric track and providing a simple mechanical solution for high precision applications. The device has two terminals, one at each end of the track, connected in series and a third terminal located along the track connected to the device\'s wiper - or its mobile arm - which is in contact with the track. The two outer terminals, or resistive elements, guarantee long life and temperature stability while the wipers effectively determine the path\'s resistance. The contact between the wiper and track also allows a highly precise voltage potentiometer adjustment. The 157B104MX is capable of resisting a wide range of temperatures within the range of -55C to +175C and boasts a life expectancy of 10 million rotations. It is due to these properties that the device enjoys a wide range of applications. For instance, the device is frequently used in the control of voltage, current and resistance in audio systems, lamps and motors, switches and interface panels, power sources and power supplies. It is also ideal for use in HVAC and temperature control engineering, testing equipment and instrumentation, automatic control systems and medical equipment. In addition, the 157B104MX also works as an impedance matching device in radiofrequency and video applications. In radio applications, the device is used to tune receivers, while in video, it is used to adjust the contrast and brightness of the image from the video camera. The device belongs to the Rotary Potentiometer family, and either an electrical or mechanical system can be used to control it.To summarise, the 157B104MX rotary potentiometer is engineered for long life stability and boasts a high level of precision across a wide range of applications. With its integrated rheostat and temperature limits of -55C to +175C, the device is suitable for numerous electrical engineering uses, from audio systems and HVAC to radiofrequency and video applications.

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