67XR20LF

Series:	67
Part Status:	Active
Lead Free Status / RoHS Status:	--
Resistance:	20 Ohms
Power (Watts):	0.5W, 1/2W
Tolerance:	±20%
Temperature Coefficient:	±250ppm/°C
Number of Turns:	20
Adjustment Type:	Side Adjustment
Resistive Material:	Cermet
Mounting Type:	Through Hole
Termination Style:	PC Pins
Size / Dimension:	Rectangular - 0.437" x 0.195" Face x 0.410" H (11.10mm x 4.95mm x 10.41mm)

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Trimmer Potentiometers: 67XR20LF Application Field and Working Principle

Trimmer potentiometers are small adjustable analog electric components, used for fine-tuning the output of an electrical circuit, typically in radio frequency or audio operation. The 67XR20LF is a miniature trimmer potentiometer that offers high accuracy and stability in a robust package. In this article we will explore this particular unit and provide a closer look at its application fields and working principle.

Design Basics

The 67XR20LF is a two-terminal, single-gang (one receive position), adjustable trimming potentiometer with a miniature size and a low total track resistance of 20Ω (+/- 10%). It has a user-adjustable full-scale track satisfaction, a linear taper and a mechanical switch. This device is ideal for a variety of applications in radio antennas, headsets, speaker systems and other signal transduction devices. The unit offers a wide range of electrical control over the signal transmission, as well as a low noise level and a high degree of accuracy. Its temperature range is 0 to 70 degrees Celsius and it operates with a maximum power rating of 5 watts.

Application Fields

The 67XR20LF trimmer potentiometer is suitable for a wide range of general-purpose applications, including radio receivers, antennas, microphones and other audio equipment. Its miniature form factor allows it to be used in the most space-constrained designs. It is also suitable for medical, industrial, automotive, aerospace, as well as communications and security applications. In addition, the device has excellent consistency and effective control accuracy in the range of 0.02 dB over its full range of operation.

Working Principle

Trimmer potentiometers have a moveable contact, or wiper, that slides over a track in order to adjust the resistance of the unit as required. The 67XR20LF can be adjusted manually or by an electrical circuit; it is also possible to use the potentiometer in combination with a mechanical switch in order to unlock or engage certain circuits. The device works by converting an electrical input signal into a corresponding electrical output signal. This process involves adjusting the potentiometer\'s wiper to control the degree of resistance, which in turn controls the magnitude of the output signal.

Conclusion

The 67XR20LF trimmer potentiometer is a miniature, adjustable analog component with excellent consistency and accuracy. It offers a robust package and is suitable for a variety of applications, including radio receivers, antennas, microphones and other audio equipment. Its working principle involves the adjustment of the unit\'s wiper in order to control the degree of resistance, and in turn the magnitude of the output signal. With its wide range of features and benefits, this trimmer potentiometer is an excellent choice for a variety of general-purpose applications.

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