PDB12-H4251-203BF

Series:	PDB12
Packaging:	Bulk
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Taper:	Linear
Resistance (Ohms):	20k
Tolerance:	±20%
Number of Gangs:	1
Built in Switch:	None
Power (Watts):	0.08W
Temperature Coefficient:	--
Number of Turns:	1
Rotation:	300°
Adjustment Type:	Top Adjustment
Resistive Material:	Carbon
Termination Style:	PC Pins, Board Locks
Actuator Type:	Flatted
Actuator Length:	0.984" (25.00mm)
Actuator Diameter:	0.236" (6.00mm)
Bushing Thread:	--
Mounting Type:	Through Hole

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PDB12-H4251-203BF Application Field and Working PrincipleRotary potentiometers (also known as rotary pots) and rheostats are two closely related electrical devices. Rotary potentiometers are widely used for measuring angles in mechanical and electrical systems. Meanwhile, rheostats are used as adjustable resistors for controlling current in applications such as electric motors.The PDB12-H4251-203BF is an example of a rotary potentiometer. Technically speaking, a rotary potentiometer is an adjustable voltage divider composed of one or more resistive elements called \'wipers\'. This particular model has three wiper elements that are set at fixed angles, allowing for an adjustable resistance range of 0-5K Ohms and a durability of up to 200 million cycles. In addition, it has an IP67/IP69K rating, making it resistant to water and dust.The PDB12-H4251-203BF is used for a wide variety of applications, including: control systems, temperature control, servo motors, and as a measuring device for angles and distances. It can also be used for precision alignment, such as when used in combination with a special needs wheel-chair controller.The working principle behind a rotary potentiometer is relatively simple. When the device is activated, the wiper elements adjust the resistance between two terminals according to the angle between them. This resistance then produces a voltage output proportional to the angle adjusted. This output can then be used to control the current flow in an electrical system or measure the angle of a mechanical object.Rheostats, on the other hand, operate similarly to rotary potentiometers, but use only one wiper element. This means that the adjustable range is much wider than that of rotary pots. They are used mainly as adjustable resistors for controlling electrical currents. The PDB12-H4251-203BF is not a rheostat, however, and should not be used as one.Overall, the PDB12-H4251-203BF is a reliable and versatile rotary potentiometer with a wide range of applications. It is perfect for controlling systems, temperature regulation, and measuring angles. Despite being similar in function to rheostats, it is important to remember that this device is specifically designed for use as a rotary potentiometer, and should not be used as a rheostat.

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