OM4745E-R58

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Through Hole Resistors are widely used in circuit applications for over the years as they are reliable to produce predictable and dependable results. The OM4745E-R58 is a single-turn, precision wirewound through-hole resistor that is commonly used for passive filtering, signal attenuation, DC-DC voltage regulating, and other applications.

The through-hole resistor features a ceramic core with enameled and insulated wire wrapped around it. The numerical value of its resistance, ranging from 0.05 ohms to 6.8M ohms, is determined by the length, diameter, and number of turns of its wires. The wirewound resistor also has a temperature co-efficient of +/-50 ppm, and its terminals are connected to 2 lead wires that are soldered into a printed circuit board (PCB).

In terms of its applications, the OM4745E-R58 resistor is perfect for applications which require both low noise and accurate resistance. Specifically, the through-hole resistor is used in DC-to-DC converters, voltage regulation, signal attenuation, input filters, and frequency and gain adjustment, among others. It is also well-suited for applications which need low power loss, as its wirewound design helps to reduce heating which is typically found in linear circuits. It also possesses high stability and accuracy, and is particularly useful in devices with sensitive signals, such as transmitters and receivers.

As for its working principle, the current passing through the OM4745E-R58 resistor is proportional to the voltage on the two resistor’s leads. This relationship is defined by Ohm’s law, which states that the current (I) passing through the resistor is equal to the voltage (V) divided by the resistance (R). In other words, the resistance of the resistor defines the proportionality between its voltage and current. As a result, the changing resistance of the resistor is directly related to its voltage or current requirements.

In conclusion, the OM4745E-R58 is a single-turn, precision wirewound through-hole resistor which is suitable for applications requiring low noise and accurate resistance. Its wirewound design helps to reduce power losses in linear circuits, which makes it ideal for use in DC-to-DC converters, voltage regulation, signal attenuation, and input filters. Its working principle is based on Ohm’s law, which states that its current is directly proportional to its voltage. As such, it is able to provide reliable and predictable results.

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