FMF1WSFRF52-300K

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The Through Hole Resistors are wound resistors that are used widely for heat dissipation and electric power stabilization. They have a heavy duty construction which ensures long life and high temperature tolerance. Among the many Through Hole Resistors, the FMF1WSFRF52-300K should have special consideration.

The FMF1WSFRF52-300K is a through hole resistor with a construction consisting of a proprietary permanent flux core, which allows for a superior tolerance level over other resistors. It has a temperature coefficient of 75ppm/C, and a TCf of about 700ppm/C. The resistor is self-shielding and in addition, it has an excellent solderability provided by its tin-plated terminations. The FMF1WSFRF52-300K is designed for high relay and switch-on operations, where reliability in the critical military applications is a must.

The FMF1WSFRF52-300K is designed to operate in very demanding environments. It is capable of working at temperatures up to 300°C and can also resist long durations of the temperature as long as 150°C. Due to its self-shielding capabilities, the FMF1WSFRF52-300K has very high current density with a robustly-constructed homogeneous cored winding. Because of this, it can effectively dissipate heat and reach the maximum working temperature faster when in operation.

In terms of its application field, the FMF1WSFRF52-300K is suitable for military and critical applications, like weapons systems, missiles and aerospace applications, where high voltage and high currents are experienced. The versatility of its features make it suitable for use in the automotive and industrial applications as well, where food dust and imperceptible mechanical shock protection is required, along with reliable performance.

In terms of its working principle, the FMF1WSFRF52-300K provides fast-response to overload conditions and, consequently, a very reliable field of operations. It has two internal connections, one-end grounded and the other attached to the circuit, and a shorted winding. The internal resistances are connected in parallel with the externally-connected points, creating a loop of a variable resistance between them. This loop structure acts as a voltage divider, limiting the voltage eventually reaching the circuit. The resistor also acts as a current limiter as the resistance varies inversely to the current. By allowing a small amount of current to pass, it reduces the load without affecting the circuit.

The FMF1WSFRF52-300K is an effective Through Hole Resistor, designed to work in demanding environments and to meet the toughest standards of performance. It can withstand temperatures up to 300°C while ensuring reliability through its self-shielding capabilities. Its applications include military and critical applications as well as automotive and industrial, and it offers a reliable voltage-limiting and current-limiting solution for all users.

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