3313J-1-205E

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Introduction to Trimmer Potentiometers

A trimmer potentiometer, also known as a trimpot, is a small, adjustable electric device used to trim the input and output of electrical circuits. Trimpots are widely used in many applications, such as adjusting voltage, frequency response, and gain of circuits. They can also serve to stabilize linear and switching power supplies, high-grade linear and high-performance audio amplifier circuits. Trimpots can be adjusted via a knob or soldering iron.

The 3313J-1-205E Trimmer Potentiometer

The 3313J-1-205E trimmer potentiometer from KEMET is a high precision, surface mountable solution for a variety of applications. This particular device has a linear taper, meaning that it exhibits a linear increase in resistance when adjusted. It is a three-terminal device, and features a wide resistance range of 0 to 3K ohms in its standard configuration. It also has a minimum insulation resistance of 100M ohms and a dielectric strength of 30V AC.

Application Field and Working Principle

The 3313J-1-205E trimmer potentiometer is particularly well suited for use in audio and radio frequency (RF) circuits. This makes it an ideal choice for amplifier circuits, radio filters, and other applications that require precise, stable adjustment of input and output signals. Due to its wide resistance range and linear taper, this trimmer can be used to fine tune the gain or frequency response of an amplifier circuit, or to adjust the load resistance of a timer circuit.

Trimmer potentiometers like the 3313J-1-205E work on the same basic principles as conventional linear potentiometers. The three terminals are connected to the middle of a resistive element, the two ends of which are held at ground potential. By turning the knob or adjusting the solder joint, the wiper is moved along the resistive element, which in turn changes the resistance across the two ends of the element. This, in turn, changes the input and output values of the circuit in which the trimpot is used.

Special Features of the 3313J-1-205E

The 3313J-1-205E trimmer potentiometer from KEMET has some unique features that make it particularly suitable for use in audio and RF circuits. Firstly, it exhibits a low contact resistance and low temperature coefficient, meaning that it will stay in tune without drifting over time. Secondly, its surface mountable design enables it to be easily integrated into circuit boards, reducing assembly time. Lastly, its small size and versatile configuration mean that it takes up very less space on boards, leaving more room for other components.

Conclusion

The 3313J-1-205E trimmer potentiometer from KEMET is a high-precision, surface mountable device that can be used to trim the input and output of a variety of audio and radio frequency circuits. It offers excellent performance with low temperature coefficient, small footprint, and linear taper. Thanks to its wide range of features, the 3313J-1-205E is an ideal solution for audio and RF applications that require precise adjustment of input and output signals.

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