6630S0D-B28-A502 Potentiometers, Variable Resistors

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Rotary Potentiometers and Rheostats involve the use of a large resistor with a fixed resistance value along with an adjustable control knob. The resistance of the resistor is varied by turning the knob, resulting in an output voltage that is proportional to the resistance value. The 6630S0D-B28-A502 is a type of rotary potentiometer and/or rheostat that uses an internal discrete pass-transistor circuit to control the output voltage.

The 6630S0D-B28-A502 is typically used in applications that require precise control of a voltage or current. Examples include motor speed and current control, heater and oven temperature control, automated test equipment, and stepper motor control. It is designed for medium voltage applications, with a voltage rating of up to 28V. It is also designed for high power applications, with a power rating of up to 30W.

The 6630S0D-B28-A502 has an adjustable control knob that varies the resistance. The knob is connected to an internal potentiometer which is connected to a pass-transistor circuit. The pass-transistor circuit is used to control the output voltage according to the resistance setting of the potentiometer. When the potentiometer is adjusted for higher resistance values, the pass-transistor will limit the current through the output terminals, resulting in a lower output voltage. Conversely, when the potentiometer is adjusted for lower resistance values, the pass-transistor will allow more current through the output terminals, resulting in a higher output voltage.

The 6630S0D-B28-A502 is a high-quality rotary potentiometer and/or rheostat that is suitable for a variety of applications. It has a long-life design and is built to withstand harsh environmental conditions. It has a low temperature coefficient and a low power dissipation, making it an efficient and reliable device for controlling voltage or current in medium voltage and high power applications.

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