Series:	Trimpot® 3252 - Sealed
Packaging:	Bulk
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Resistance:	500 Ohms
Power (Watts):	0.75W, 3/4W
Tolerance:	±10%
Temperature Coefficient:	±100ppm/°C
Number of Turns:	25
Adjustment Type:	Top Adjustment
Resistive Material:	Cermet
Mounting Type:	Chassis Mount
Termination Style:	Wire Leads
Size / Dimension:	Rectangular - 0.500" x 0.187" Face x 0.500" H (12.70mm x 4.75mm x 12.70mm)

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Introduction to Trimmer Potentiometers

Trimmer Potentiometers, also known as "variable resistors" or "trimmers", are versatile electronic components that are used to maintain specific electrical characteristics in a wide range of applications. By adjusting the resistance of the trimmer, the user can adjust the voltage, current and other related parameters of the circuit. Perhaps one of the most common ways in which trimmer potentiometers are used is in the control of circuit parameters in radio frequency (RF) circuits, where adjustment of tuning elements is required.

The 3252L-1-501

The 3252L-1-501 is a highly reliable and resilient trimmer potentiometer designed for use in a wide range of RF applications. This trimmer is based on a carbon element and features a resistance range of 0.1Ω to 100KΩ, along with a rated power of 250mW and a dielectric strength of 250V AC. The 3252L-1-501 is capable of handling a broad temperature range from 0°C to 70°C, and its contact resistance can remain consistent up to 1 million operations. This makes it ideal for a variety of industrial and commercial applications in which consistent operation and dependability of the quality of the signal is a priority.

Application Field and Working Principle

The 3252L-1-501 is well-suited to a wide range of applications, including precision tuning of RF circuits and the adjustment of signal levels in a circuit configuration. This trimmer can also be used as an integral part of components such as filters, oscillators and amplifiers, as well as in the tuning of antennae.The primary design of the 3252L-1-501 is based on a resistance element which is spring-loaded in such a way that is non-linear with the amount of current that is channeled through it. The resistance element is specifically designed to maintain a consistent and linear relationship between the amount of current that travels through the part and the amount of resistance that it offers at any given point in time. This relationship can be manipulated by making use of the grub-screw, which enables the user to adjust the total amount of resistance that is offered by the device.The design also incorporates a stiffening spring, which acts to limit the amount of movement that is possible and ensures that the amount of resistance provided by the device remains consistent and unaffected by physical stresses. By adjusting the spring tension, the drawbar is adjusted, thus altering the total distance between the contact point and the spring. This enables the user to control the level of resistance that is provided by the device.When used in a circuit, the performance of the 3252L-1-501 can be fine-tuned in order to provide a reliable and consistent signal over a wide range of frequencies. By adjusting the grub-screw, the user can increase or decrease the resistance, or even cutoff the current altogether.

Conclusion

The 3252L-1-501 trimmer potentiometer is a highly reliable and robust electronic component that is ideal for a wide range of applications, including RF tuning, signal adjustment and precision control of circuit parameters. Its solid construction and design features guarantee a consistent performance over a wide temperature range and, thanks to its spring-loaded construction, ensure that any variations in the resistance of the part are minimal. As such, it is an excellent choice for those who need to maintain precise control of a circuit\'s parameters.

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