3214X-1-103E

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Trimmer Potentiometers

Trimmer potentiometers are small variable resistors that are designed to provide precision adjustments to electronic circuits, and the 3214X-1-103E is one such device. It is most commonly used as a voltage divider, especially in audio-visual equipment to adjust the ratio of the signal voltage seen across a load. It is a three-terminal component, where one end is connected to ground or supply, the other end is connected to the load, and the center terminal is the adjustable one, whereby the resistance to ground or supply from the center terminal is changed.

The 3214X-1-103E trimmer potentiometer features single turn adjustment, low power loss and low signal corruption capabilities. It also exhibits good wear characteristics due to its dual-gang rotary switch. With its longterm reliability and low manufacturing costs, this trimmer potentiometer makes an ideal choice for ordering in higher volume production. It has an operating temperature range of -40°C to +85°C.

The working principle behind the 3214X-1-103E trimmer potentiometer is relatively simple. When the pot is set to minimum resistance, the voltage at the center terminal is equal to the voltage at the end terminals. As the resistance increases, the voltage at the center terminal is lower than the voltage at the end terminals, thus causing a voltage divider effect. The resistance value of the pot can be adjusted by turning the rotary screw switch, thus changing the voltage across the load.

The application field of the 3214X-1-103E trimmer potentiometer is diverse, ranging from circuit boards in electronic toys to consumer audio-visual equipment, medical devices, consumer electronic products, and many other products requiring precision adjustments. Its small size and easy installation make it a popular choice among designers and engineers whose products are expected to fit into tight spaces, or are not compatible with large, bulkier potentiometers.

Due to its versatility and competitive pricing, the 3214X-1-103E trimmer potentiometer is suitable for a wide range of applications, and is highly customizable with regard to design and functionality. Furthermore, the long-term reliability of the device make it an attractive choice for those needing to receive precision adjustments over extended periods of time.

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