3250L-1-502M

Series:	Trimpot® 3250 - Sealed
Packaging:	Bulk
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Resistance:	5 kOhms
Power (Watts):	1W
Tolerance:	±5%
Temperature Coefficient:	±50ppm/°C
Number of Turns:	25
Adjustment Type:	Top Adjustment
Resistive Material:	Wirewound
Mounting Type:	Panel Mount, Wire Leads
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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Trimmer Potentiometers

Trimmer potentiometers, or trim pots, are valuable tools in the design of most electronic circuits as they provide great flexibility in controlling resistance within a circuit. Commonly used for fine-tuning circuits to reach maximum performance, a trim pot is also used to precisely set the gain of an instrument and perform other feedback applications. Adjustment is made by a small screwdriver, a tool, or other specialized equipment that fits an integrated tool into the trimmer pot. A 3250L-1-502M trim pot is of the molded type, wherein the solenoid coil is molded as part of the body. The pot has a large resistance range of 50KΩ, making it useful for applications that require an extremely low resistance setting, such as for amplifier gain or on/off switching, or for precision resistive elements in power supplies.The 3250L-1-502M trim pot is suitable for a range of applications, from production control of production-line devices to precise assembly of electronic circuits. In such applications, it is used typically as a voltage divider. The trimmer pot is adjusted manually through the small adjustment screw to alter the resistance of the element, and in turn, the voltage appearing across it. It can also be used to adjust the gain of audio amplifiers, control the frequency of an oscillator, and to help adjust the center frequency of a band-pass filter and other AC filters. The principles of operation for the 3250L-1-502M trim pot are essentially the same as any other type of variable resistor. The wiper of the pot is mechanically moved along the resistor element and the resistance between the wiper and any one end of the element is changed. As the resistance between the wiper and a given end is altered, the voltage across it increases or decreases accordingly. It is important to remember that the total resistance of the element is constant, so any change in the resistance between the wiper and one end is necessarily coupled with a corresponding change in the resistance between the wiper and the other end.The electrical characteristics of the 3250L-1-502M are such that its maximum resistance at any one position is 50KΩ and remains constant throughout its range. This means that it can be used in situations where it is necessary to ensure a minimum resistance between the wiper and one end of the element. The specified max resistance of 50KΩ also ensures maximum accuracy in applications that require precise resistance control. The 3250L-1-502M is primarily constructed of sealed thermoplastic, although the end caps may be made from other materials such as brass or aluminum. This construction ensures that it is corrosion-proof and extremely durable, making it suitable for long-term use. Furthermore, the IP rating of the 3250L-1-502M is 6, meaning that it is dust-proof and splash-proof. This makes it well-suited for installation in challenging environments as it is resistant to debris and liquids. In conclusion, the 3250L-1-502M trim pot is an ideal tool for precision control of circuit resistance in a variety of applications. With its range of 50KΩ and corrosion-resistant construction, it is particularly well-suited for use in production control, audio amplification, oscillator control, and AC filter control.

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