3302X-3-203E

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Trimmer Potentiometers, or trimpots as they are commonly known, are miniature adjustable resistors used in a variety of fields. The 3302X-3-203E is a trimpot designed for a number of applications such as tuning, calibrating, balancing, buffering, etc. It offers high accuracy and reliability in a very small package.

The 3302X-3-203E is a three-terminal trimpot with a wide range of resistances. It has a standard resistance value of 203 Ω for resistive elements and 3302 Ω for active temperature coefficient elements. It also offers a variety of leaded, surface mount, and side-entry varieties, with standard resistances ranging from 10 mΩ to 10 kΩ.

The 3302X-3-203E is mainly used in low-power circuit applications such as audio systems, video amplifiers, video recorders, microwave ovens, TVs, test instruments, etc. Its small size also makes it suited for implementation in devices such as portable audio players, digital cameras, and medical electronics. In addition, the 3302X-3-203E is well suited for servo motor control and digital-analog conversion.

The 3302X-3-203E trimpot is made up of two basic components: a resistive element and a centering spring. The resistive element is constructed of carbon-resistant material and carries electrical current through the trimpot. The centering spring is a small, spring-loaded contact that moves the resistive element back and forth to control the resistance of the trimpot. This movement is known as ‘tapping’ or ‘segmenting’, and is what makes the trimpot adjustable.

The working principle of the 3302X-3-203E is simple. When no current is applied to the resistive element, the spring and contact push the element to the center. When current is applied to the element, its resistance increases due to the resistance in the material. This increases the current flowing through the element, which causes the spring-loaded contact to push on the resistive element, changing its resistance. By repeatedly controlling the current, the resistance of the element can be adjusted.

The 3302X-3-203E is a great choice for applications that require an adjustable resistance, such as tuning, calibrating, balancing, buffering, etc. This trimpot offers a wide range of resistances, great accuracy and reliability, and it comes in a very small package. With its low cost and simple design, the 3302X-3-203E is a great choice for a variety of applications.

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