3400S-1-254L

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Rotary potentiometers and rheostats are components that differ in application field and working principle. The 3400S-1-254L series from Ohmite is an example of such part that is used in a variety of applications, where it proves its competitiveness and versatility.

A potentiometer is an electrical component used to measure the electric current passing through it. It consists of a fixed resistor with a movable tap connected to a rotating shaft. The movable tap can be used to adjust the amount of current passing through the resistor, hence the name, "potentiometer".

A rheostat is a variable resistor with two taps. It works by adjusting the current passing through the resistor by adjusting the position of the taps. Unlike a potentiometer, a rheostat does not measure the current passing through it; rather, it is used to control the current passing through it. The 3400S-1-254L series rheostat can also be used to adjust the voltage applied to the load.

The 3400S-1-254L series is a drop-in replacement for a standard potentiometer or rheostat. Its features make it suitable for a wide range of applications, including instrumentation, industrial automation, motor control, and power supplies. Its benefits include a linear voltage law, low insertion loss, and low temperature drift. The series offers two distinct types—linear and rotary—and two power ratings—15 Watts and 45 Watts. The rotary type features a split-gate design to provide an even resistance distribution along the shaft.

The working principle of a potentiometer is simple. When the internal resistance changes due to the adjustment of the tap, the voltage applied to the load is changed proportionally. A rotary rheostat works by adjusting the position of the taps to increase or decrease the amount of current passing through the resistor. The 3400S-1-254L series ensures that the current being applied to the load is adjusted without causing excessive losses.

The application field of a rotary potentiometer or rheostat depends on the type of application for which it is used. For example, they are used in motor control, industrial automation, instrumentation, and power supplies. The 3400S-1-254L series rotary potentiometers and rheostats are designed for use in such applications where their features and benefits are of utmost importance.

In conclusion, the 3400S-1-254L series rotary potentiometer and rheostats are highly versatile components. They offer various features and benefits, making them suitable for a wide range of applications. Depending on the application requirements, the user can choose between the two types—linear and rotary—each having two power ratings. The 3400S-1-254L series also provides a linear voltage law, low insertion loss, and low temperature drift, making it a reliable and competitive product.

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