68PR1MEGLF

Adjustment Type:	Side Adjustment
Resistive Material:	Cermet
Mounting Type:	Through Hole
Termination Style:	PC Pins
Size / Dimension:	Rectangular - 0.435" x 0.375" Face x 0.245" H (11.05mm x 9.53mm x 6.22mm)
Series:	68
Part Status:	Active
Lead Free Status / RoHS Status:	--
Resistance:	1 MOhms
Power (Watts):	0.5W, 1/2W
Tolerance:	±10%
Temperature Coefficient:	±100ppm/°C
Number of Turns:	20

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Trimmer Potentiometers: 68PR1MEGLF Application Field and Working Principle

Trimmer potentiometers, also known as trimmer pots or trimpots, are components used to adjust, regulate, or fine-tune circuits. They are adjustable resistors that can be used as a variable resistor or rheostat, consisting of a resistive element and a set of contacts controlled by rotating or sliding the actuator. They are widely used in radio technology, telecommunications, automotive systems, industrial control, and medical instruments. The 68PR1MEGLF is an excellent trim pot with features such as virtually unlimited rotation, and durability of components, available in two resistance values: 500K ohms and 5Meg ohms. In this article, the application fields and working principle for 68PR1MEGLF will be discussed.

Application Fields of 68PR1MEGLF

68PR1MEGLF can be used in a variety of application fields and in different forms. In radio technology, 68PR1MEGLF trim pots are often used to set the frequency of radio receivers and transmitters. In telecommunications, 68PR1MEGLF trim pots are used to tune and calibrate the telephone line system. In automotive systems, they are used to set and adjust the settings of the engine’s sensors and actuators. In industrial control, 68PR1MEGLF trim pots are commonly used to control motor speed, adjust relay on-time, and compensate for different loads in the system. In medical instruments, 68PR1MEGLF trimpots are used to fine-tune the signal paths of optical imagers and to calibrate small electronic devices such as glucose monitors.

Working Principle of 68PR1MEGLF

68PR1MEGLF trim pots are constructed of two electrodes: a wiper electrode and a fixed-resistance electrode, which are both conductive. The wiper electrode is mounted on a spindle and can move from one end of the resistance strip to the other, while the fixed-resistance electrode is physically fixed to the resistance strip. When the wiper electrode is moved, the resistance between the wiper and fixed electrode increases or decreases linearly, allowing for precise adjustment of the circuit.

Conclusion

In conclusion, the 68PR1MEGLF trim pot has a variety of applications in different technological fields, and it works on the same principle as any other adjustable potentiometer. The wiper and fixed-resistance electrodes provide a range of resistance for precise adjustment and calibration, making it a popular choice for a variety of applications.

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