51AAD-B28-A15L

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A 51AAD-B28-A15L is a rotary potentiometer and a rheostat contained in the same device. It is a three-terminal variable electrical resistor used in many different applications such as audio, automotive, lighting, and electronic instruments. A rotary potentiometer uses manual knob rotation to control the resistance value across two terminals, while a rheostat is a variable resistor with a stationary terminal and a single movable terminal.The 51AAD-B28-A15L is a single-turn component, meaning it has a rotation of one complete turn. It features a shaft that turns a resistive element and is typically used in commercial and consumer products. It has a resistance range of 0-100KΩ, and is rated at 5 Watts of power handling. Its terminal pin spacing is 0.5 inches and the body size is 28mm in length and 15mm in width with a knob diameter of 9mm. It is available in a 1K version and a Precision version that is available with a rotation angle of 270 degrees (737 mα).

When used as a rotary potentiometer, the 51AAD-B28-A15L is meant to be connected in a voltage divider configuration with one end of the resistor to ground and the other end connected to the output voltage. The point between the terminals, known as the wiper, is the point which the non-grounded voltage is connected to. The resistance value is then adjusted by turning the knob (or shaft) of the potentiometer.

When used as a rheostat, the 51AAD-B28-A15L is also connected to a voltage source and ground, but instead of connecting the output voltage to the wiper, it is instead connected between the wiper and one of the two resistive element terminals. The resistance value is then adjusted by turning the knob (or shaft) of the rheostat, which in turn changes the total resistance value. In rheostat mode, the 51AAD-B28-A15L can be used to control load currents, as well as to measure voltages.

The 51AAD-B28-A15L is used in several different applications that make use of both rotary potentiometers and rheostats. These applications include audio and video devices, automobile, aircraft, and spacecraft lighting systems, and electronic instrumentation such as signal generators and test instruments. It can also be used to control the brightness of lights in home and commercial settings.

In conclusion, the 51AAD-B28-A15L is a versatile component that can be used in a range of applications as a rotary potentiometer and rheostat. Its adjustable resistance range and wattage rating make it suitable for a variety of commercial, industrial, and consumer products.

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