MFR50SDRE52-118K

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Through-hole resistors, also known as through-hole (TH) or axial resistors, are electronic components which offer fixed electrical resistance in order to limit the current that may flow through an electric circuit. They are usually cylindrical in shape, with two terminals at either end; when connected to a circuit, the two terminals are typically connected via a solder joint. Although modern-day resistors are mostly produced as surface-mount devices (SMDs) due to their small size and greater current handling capabilities, TH resistors remain a popular option in many applications. One such resistor is the MFR50SDRE52-118K.

The MFR50SDRE52-118K is a through-hole resistor with a power rating of 0.75 Watts (W), a maximum operating temperature of -55°C to +125°C, and a resistance tolerance of ±10%. It has a cylindrical body, with two metal caps ("leads") extending out either end. The body and leads are heat-treated to ensure maximum electrical stability and durability. When connected in a circuit, the two leads are typically soldered together, with solder pads on the device and the respective PCB.

The primary application field for the MFR50SDRE52-118K is high-frequency power conversion. It is used in switching power supply circuits, power amplifiers, and other audio and video devices, where it helps to limit the current through the circuit to ensure electrical safety. It is also used in automotive and instrumentation systems, playing an important role in regulating current and voltage.

The working principle of the MFR50SDRE52-118K is based on the fact that electrical current is proportional to voltage. As long as the voltage in the circuit is below the maximum current rating of the component, it will just act as an open switch - allowing current to pass through it without any impedance. However, as soon as the voltage in the circuit exceeds the maximum, the component will start to introduce a small resistance. This will limit the current passing through the circuit and prevent device damage.

The MFR50SDRE52-118K is a versatile and reliable through-hole resistor, which is suitable for many high-frequency power conversion applications. Its cylindrical design and heat-treated construction help to ensure a long usable life with consistent performance and durability. The device\'s working principle is based on the fact that, when connected in a circuit, it will act as a variable resistor - introducing a small resistance as soon as the voltage in the circuit exceeds the maximum current rating of the component.

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