91A1A-B28-B17L

Temperature Coefficient:	±1000ppm/°C
Mounting Type:	Panel Mount
Bushing Thread:	3/8-32
Actuator Diameter:	0.250" (6.35mm)
Actuator Length:	0.875" (22.23mm)
Actuator Type:	Slotted
Termination Style:	PC Pins
Resistive Material:	Conductive Plastic
Adjustment Type:	Side Adjustment
Rotation:	300°
Number of Turns:	1
Series:	91
Power (Watts):	1W
Built in Switch:	None
Number of Gangs:	1
Tolerance:	±20%
Resistance (Ohms):	25k
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, commonly abbreviated as 91A1A-B28-B17L, are two types of electrical components typically used to control the voltage, current, and resistance in an electrical circuit. Both components involve a rotating contact.Rotary potentiometers are typically used to adjust the intensity of an electrical signal. When turning the knob of the potentiometer, the contact arm changes the resistance in the circuit. This can be used to control the amplitude of a signal from 0 to 10V and can also be used with digital logic.Rheostats work similarly to potentiometers, but are instead used to measure resistance in a circuit. The contact arm is connected to the moveable portion of the resistor, so when the knob is turned, the resistance is changed accordingly. This is useful for adjusting the amount of current flowing in a circuit, as it can be used to adjust the voltage produced by the circuit.The 91A1A-B28-B17L potentiometer and rheostat components are typically composed of a wide range of materials, from metals to plastics. The contact arm is typically constructed from copper, while the knob itself may be stainless steel, brass, or even plastic. Depending on the application, the whole component may be sealed in an anti-corrosive housing.These components are often used in audio mixers, as the user can adjust the levels of individual inputs with the help of the rotating contact arm. Furthermore, they are used in a variety of applications from medical equipment to automated control systems.In terms of installation, both components have to be correctly wired in accordance with the manufacturer’s instructions. To ensure proper function of the device, the contact arm has to be free of corrosion and any other physical defects.Overall, rotary potentiometers and rheostats, such as the 91A1A-B28-B17L model, are important components in a variety of electrical applications from consumer electronics to industrial controls. They are relatively easy to use and, with the correct installation, can be expected to work reliably for a long time.

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