PDB242-D220K-503A1

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Rotary Potentiometers, Rheostats

PDB242-D220K-503A1 is a rotary potentiometer device and rheostat designed to provide a variable electrical resistance, typically as a position sensor. It can be used in circuits requiring a variable resistor, and is ideal for applications needing to regulate the power, current and signal transmission in things like motors, actuators, and other instruments. The device offers various benefits such as increased power handling, a long service life and low-noise operation.

This device utilizes a three-terminal electromagnetic-mechanical contact and an adjustable resistive element, which provides a variety of resistance values, depending on the user application requirements. It can be used in combination with resistors to provide electrical isolation between circuits, or as a resistive voltage divider when applied to a signal. The resistance values can also be used to control the gain of an amplifier, as well as providing adjustable voltage control and current limiting.

The rheostat\'s adjustable skill comes from a manual stem-mounted knob, which is attached to a set of contacts. The knob can be turned clockwise or counter-clockwise to adjust resistance. The knob also features a locking ring to secure the settings and preventing unintended adjustments.

The resistance of the PDB242-D220K-503A1 can be changed in two ways. The first is by rotating the knob, which adjusts the position of the contacts in the resistive element, and the second is by an internal adjustment dial, which moves the contacts up and down theelement. This dial, which is concealed behind a protective cover, allows for more precise resistance calibration.

The PDB242-D220K-503A1 device has an operating temperature range between -20°C and 85°C. Its maximum operating voltage is 30 V AC (or 45V DC) and its resistance range is 0.15 ohms to 220K ohms. The device also has a power rating of 0.3 watts, and a current rating of 20 mA at 25°C.

The device\'s application fields are including analog-to-digital conversions, frequency generation, gain control, and circuit protection; in addition to the above-mentioned ones. It\'s suitable for many development projects that require adjustable resistors, and provides a reliable and easy-to-use solution.

The PDB242-D220K-503A1 operates on the principles of Ohm\'s Law, where the current flows through the device in relation to its resistance level. The resistance levels can be adjusted manually, by adjusting the knob. The resistance of the device also depends on the temperature, and can increase or decrease depending on the environmental conditions.

To summarize, PDB242-D220K-503A1 is a rotary potentiometer and rheostat device designed to provide adjustable electrical resistance for various applications. It\'s suitable for development projects requiring adjustable resistors, and offers excellent power handling, long service life and low-noise operation. The device is also versatile, and can be used for gain control, frequency generation, analog-to-digital conversions, and circuit protection.

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