448UA3103BDN

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Slide potentiometers are constructed of three conducting plates and a resistive element, and are used to control electrical circuits. The 448UA3103BDN is one type of slide potentiometer, widely used in a variety of applications.

This type of potentiometer has adjustable and switchable linear and logarithmic curves for attenuation and gain control. It is also suitable for tracking applications and measuring linearity in precision instruments. Because it has a low temperature drift (˜10 ppm/°C), it is ideal for monitoring temperature dependent processes.

The 448UA3103BDN slide potentiometer has a nominal resistance of 100 KΩ and a power rating of 250mW. It is a through-hole, panel-mount device with three-point termination. The resistance and temperature tolerances are ±1.0% and ˜0.5%, respectively. The resistive element is insulated with a dielectric material that is both corrosion and abrasion resistant.

The working principle of this particular potentiometer is simple. When the slider is moved along the conductive element, the resistance of the mechanism changes and thus the output voltage changes. As the resistance of the potentiometer increases, the output voltage decreases. With the 448UA3103BDN, the output voltage is calibrated in both linear and logarithmic terms for different applications. The resistance of the device can also be adjusted, allowing for more precise control of the output voltage.

This slide potentiometer is used in a wide range of applications, including as a gain or attenuator in radio frequency circuits, in gain control circuits, as an adjustable limiter in audio systems, as a stabilizer in motor speed control systems, and more. Due to its low power rating, it is also suitable for battery-powered applications, such as headphones and portable audio players.

In conclusion, the 448UA3103BDN is a versatile and reliable slide potentiometer that can be used in a variety of applications. It has adjustable and switchable linear and logarithmic curves for attenuation and gain control, and can withstand temperatures ranging from ˜0.5% to +150°C. The potentiometer has a nominal resistance of 100 KΩ and a power rating of 250mW, allowing for precise control of output voltage and current.

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