ST4EA504

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Trimmer Potentiometers are an excellent solution for delicate tuning, precise adjustments, and miniature size. The ST4EA504 is one of the best-in-class products in its category. This article will discuss the application fields and working principle of the ST4EA504 trimmer potentiometer.

The ST4EA504 trimmer potentiometer is most widely used in wireless applications, such as Bluetooth and Wi-Fi connected products like the Hue lighting bridge; satellite antennas; and temperature measurement devices. Its small size and robust precision make it the ideal choice for delicate electronic circuits. It is also suited for use in fine adjustments or calibration of high-frequency circuits, such as RF receivers, filters, and power amplifiers.

The ST4EA504 trimmer potentiometer features a square shaped body and consists of two parts, including the upper base and the adjustable bar. The adjustable bar is designed with a single-turn screw, allowing for precise adjustments. This trimmer is able to operate from -40C to +85C, making it suitable for use under a wide range of environmental conditions. The electrical life is rated at 3,000 cycles, which makes it a long-lasting and reliable device.

The working principle of the ST4EA504 is quite simple. It consists of a three-terminal device, which is connected to an adjustable shaft and a variable resistor element. As the adjustable shaft is turned, the resistance of the variable resistor element increases or decreases. This resistance change is then applied to the electrical circuit, resulting in a different voltage or current output.

The adjustable shaft of the ST4EA504 trimmer is available in different diameter diameters and pitch size, making it suitable for a wide range of applications. It also features a precision screwdriver slot for easy and accurate adjustment. The device is rated at 2 and 5W, ¼ and 3/8 inch shaft sizes, and with 16 fine-pitch threads.

The ST4EA504 trimmer has several advantages. It is extremely durable, with a life expectancy of over 200,000 cycles. It also boasts a very wide range of adjustable resistances from 0 ohm to 10 M ohm. Additionally, the device has a low electrical noise and can operate over a wide temperature range. The cost of the ST4EA504trimmer is also quite reasonable, making it a great choice for various electronic applications.

In conclusion, the ST4EA504 trimmer potentiometer is an excellent choice for a wide range of applications. Its small size and durability make it ideal for wi-fi and Bluetooth connected products as well as for precision adjustments and calibration. The adjustable shaft and fine-pitch threads provide added advantages like the ability to operate over a wide temperature range and low electrical noise. A cost-effective and reliable device, the ST4EA504 is most certainly worth considering for a range of electronic applications.

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