1208P500

Series:	1208
Packaging:	Tube
Lead Free Status / RoHS Status:	--
Part Status:	Obsolete
Moisture Sensitivity Level (MSL):	--
Resistance:	50 Ohms
Power (Watts):	0.5W, 1/2W
Tolerance:	±10%
Temperature Coefficient:	±50ppm/°C
Number of Turns:	16
Adjustment Type:	Side Adjustment
Resistive Material:	Wirewound
Mounting Type:	Through Hole
Termination Style:	PC Pins
Size / Dimension:	Rectangular - 0.264" x 0.165" Face x 0.748" L (6.70mm x 4.20mm x 19.00mm)

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1208P500 Trimmer Potentiometers Application Field and Working Principle

Trimmer Potentiometers, commonly referred to as trimmers, are small variable resistors used to adjust the electrical characteristics of a circuit to a desired setting. Trimmer potentiometers have a variety of uses in electronics, from adjusting voltage levels in an audio amplifier to setting the precise frequency of a radio signal. Within the trimmer potentiometer family, 1208P500 is a popular miniaturized trim potentiometer that is suitable for automated component assembly. It offers a wide range of applications across different industries, making it an invaluable component in any electronics project.

The 1208P500 Applications

The 1208P500 trim potentiometer is widely used in industrial and consumer electronics, medical, automotive and communication applications. This miniature component features low profile and flat secure mounting enabling easy assembly integration into different kinds of circuits. In audio and video applications it is used to tune signal pre-amplifiers signals in the range of 20 Hz to 20 kHz. Industrial applications include temperature and humidity control as well as flow controls. In security systems, this trim potentiometer is popularly used to set the control variation in swipe card entry systems, time switches, door locks and window actuators. The 1208P500 can also be found in entertainment systems, as it is used to adjust the tuning on the radio broadcasts.

Varieties of 1208P500 Trimmers

The 1208P500 trim potentiometer is available in a variety of resistance values, rotational angles, electrical connection styles, and surface mount or through hole areas. Some of the features of the 1208P500 include long life, superior reliability, superior shock and vibration ruggedness, low profile and secure mounting for easy assembly and an adjustable actuator stem. Variable resistance values range from 22R to 430R, with a rotational angle of 270°, and fixed resistive element technology. This trim potentiometer can either come with a straight stem with a knob top, or a set screw for mechanical securing. Electrical connection styles depend on the terminal type, the number of terminal positions, the terminal type and the connector type needed for application.

The Working Principle of the 1208P500

The working principle of the 1208P500 trim potentiometer is very simple. As the actuator is turned, a semicircular resistor located inside of the trim pot is connected to either an internal circuit or an external circuit component. The resistance of the semicircular resistor is varied by rotating the actuator, allowing for a precise adjustment of the circuit. The internal resistance is achieved by using a thick film resistive element which is deposited on an alumina ceramic substrate. The substrate is then bonded to the trim pot to form a single unit. When in use, the contact between the movable arm and the fixed resistor is completed to produce voltage drop and thus a variable voltage output.

Conclusion

The 1208P500 trim potentiometer is a valuable component in many different electronic applications. It offers a wide range of features, including excellent performance, long life and superior reliability, making it ideal for almost any application. With its low profile and secure mounting, this component is also suitable for robotic and automated assembly environments. The working principle of the 1208P500 is simple, yet efficient, and is highly effective for adjusting the electrical characteristics of a circuit to a desired setting.

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