3386H-1-105T

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Trimmer potentiometers are an essential component of analogue circuits and have many applications where precise control is required over a limited range. The 3386H-1-105T is a trimmer potentiometer designed to provide a mid-range, single-point adjustable resistance, with the center point tolerance of only ±0.0025%. For this reason, the 3386H-1-105T are widely used for providing exact adjustments or calibrations in medical equipment, measurement instruments, radio equipment, and other applications that require a precise voltage or current control.

The 3386H-1-105T consists of a sealed, hermetically welded variable resistor, mounted in a shielded metal package. It contains three metal wiring pads, two side plates, and an adjustable centre contact point. The side plates are used to secure the potentiometer to its mounting base while the centre contact can be adjusted using a suitable screwdriver or other small tool. The total resistance of the potentiometer can be changed by turning the centre contact.

The 3386H-1-105T also have several safety features that protect it from over-voltage, high temperatures, and other factors that can affect its performance. Heat-sink plates are included to dissipate heat generated by the potentiometer, and a protective cover is also provided to protect the delicate adjustment mechanism. The package is sealed to protect the internal components from corrosion.

In terms of working principle, the 3386H-1-105T operates on the same principle as other variable resistors. As the centre contact is adjusted, it creates a resistance between the two side plates. The amount of resistance can be varied by turning the centre contact in either direction, thus enabling precise adjustments when setting voltage and current levels. The use of shielded metal packaging ensures that the device is protected against external electrical or magnetic interference, helping maintain stability.

The 3386H-1-105T is an ideal choice for many electronic control applications, including audio and video equipment, medical systems, laboratory equipment, and other types of signal conditioning circuits. Its wide resistance range makes it ideal for voltage or current control, and its precise adjustment capability makes it perfect for calibration of equipment. It is robust and resistant to mechanical and environmental influences, making it suitable for a range of harsh environmental conditions.

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