UAL5-0R3F8

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Chassis mount resistors, also known as mounting or payload resistors, are standalone resistors that can be used in a wide variety of applications where the resistance itself needs to be adjusted, such as power control, isolated feedback circuits, and AC/DC regulation.

The UAL5-0R3F8 is a chassis mount resistor manufactured by Mean Well that is ideally suited for a variety of applications. It has an input voltage of between 4 and 28 volts, a maximum operating power rating of 0.3w, a housing diameter of 5mm, and an operating temperature range of -40°F to 82°F.

In addition to its electrical characteristics, the UAL5-0R3F8 also has two mechanical features. The first is its quick-connect mounting system, which makes it easier to mount the resistor in tight spaces. The second is its built-in heatsink, which allows the resistor to dissipate heat more efficiently and gives it a longer life.

The UAL5-0R3F8\'s primary application is in AC/DC regulation, where it is used as a current limiter to prevent voltage spikes or over-voltage conditions which could damage other components. This resistor can also be used in isolated feedback circuits, such as voltage followers or amplifier compensators, or in power control systems, such as adjustable power supplies.

The UAL5-0R3F8 works on the principle of ohm’s law, which states that the resistance of a circuit is equal to the voltage divided by the current. The amount of current passing through the resistor is determined by the voltage applied across it, and the resistance of the resistor limits the amount of current that can pass through it. This reduces the amount of power that can flow through the resistor, and prevents damage to the other components in the circuit.

In conclusion, the UAL5-0R3F8 is a chassis mount resistor that is suitable for a variety of applications, including AC/DC regulation, isolated feedback circuits, and power control. It works on the principle of ohm’s law, and its quick-connect mounting system and built-in heatsink help ensure that it can operate reliably for a long time.

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