3250L-1-203 Allicdata Electronics
Allicdata Part #:

3250L-1-203-ND

Manufacturer Part#:

3250L-1-203

Price: $ 19.96
Product Category:

Potentiometers, Variable Resistors

Manufacturer: Bourns Inc.
Short Description: TRIMMER 20K OHM 1W LEADS
More Detail: 20 kOhms 1W Wire Leads Chassis Mount Trimmer Poten...
DataSheet: 3250L-1-203 datasheet3250L-1-203 Datasheet/PDF
Quantity: 1000
Lead Free Status / RoHS Status: Lead free / RoHS Compliant
Moisture Sensitivity Level (MSL): 1 (Unlimited)
100 +: $ 18.14400
Stock 1000Can Ship Immediately
$ 19.96
Specifications
Series: Trimpot® 3250 - Sealed
Packaging: Bulk 
Lead Free Status / RoHS Status: --
Part Status: Active
Moisture Sensitivity Level (MSL): --
Resistance: 20 kOhms
Power (Watts): 1W
Tolerance: ±5%
Temperature Coefficient: ±50ppm/°C
Number of Turns: 25
Adjustment Type: Top Adjustment
Resistive Material: Wirewound
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)
Description

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Trimmer Potentiometers: 3250L-1-203 Application Field and Working Principle

Trimmer potentiometers are a type of variable resistor with a wide range of applications, ranging from industrial and consumer goods to medical equipment. The 3250L-1-203 is one such potentiometer, which is widely used in various applications due to its relatively low cost and high quality. This article will cover the application field and working principle of the 3250L-1-203 trimmer potentiometer.

Application Field

The 3250L-1-203 trimmer potentiometer is a 3-terminal resistor with a single adjustable element, making it suitable for a variety of applications. It is often used for volume control, tuning and amplifying accurate resistance values in industrial equipment. It is also popular for use in radio and TV receivers to adjust the output volume. Other applications include:

  • Adjusting the hue and brightness of a television or computer screen
  • Measuring the accuracy of electronic test equipment
  • Controlling the power level of electrical or electronic devices such as motors and transducers
  • Actuating motor speed controllers

Working Principle

The 3250L-1-203 trimmer potentiometer is composed of three main parts – a rotary body, wiper and resistor. The rotary body houses a spring-loaded wire which protects the wiper from being moved in unexpected directions. The wiper is connected to the rotary body at one end, and is connected to a resistor at the other end. This resistor can be adjusted to alter the resistance between the terminals.

The working principle of the 3250L-1-203 trimmer potentiometer is simple: when the rotary body is turned, the spring-loaded wire moves the wiper along the resistor, which changes its resistance. This results in a change of current flow through the circuit, depending on the direction of the rotary body’s movement.

Conclusion

The 3250L-1-203 trimmer potentiometer is a highly versatile and cost-effective variable resistor with a range of applications, from volume control to measuring the accuracy of test equipment and controlling the power level of electrical or electronic devices. Its working principle is simple—by rotating the rotary body, the spring-loaded wire changes the resistance between the terminals, resulting in a current flow change.

The specific data is subject to PDF, and the above content is for reference

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