B72205S0500K101

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The B72205S0500K101 is a varistor manufactured by EPCOS, which belongs to the EPCOS varistor product line. Varistors, also known as Variables or Voltage-Dependent Resistor (VDR), are a type of movable component with non-linear voltage-current characteristics. It is used to protect sensitive electronic components from damage due to over-voltage, both transients (over-voltage) and spikes (short, short-term over-voltage). They are one of the most important components used in power systems and other related industries.

The main application field of the B72205S0500K101 is in protecting low voltage, high power systems against transients and spiking, and its working principle is to dissipate over-voltage energy by clamping the spikes to a specific voltage level. It is designed with a high-breakdown voltage of 500V and a high surge current rating up to 10kV/μs. It is also designed with a high temperature coefficient for its tolerances, which guarantees its use in harsh and extreme environments.

The B72205S0500K101 measures 5mm across and is installed directly into the power system in order to provide protection against over-voltage. Its working principle is based on its varistor effect, which is basically a non-linear voltage-current characteristic. This means that when there is an over-voltage, the varistor will limit the spike, by dissipating the excess energy as heat, thus providing protection to the component. This also means that it has a certain resistance level, which increases as the voltage increases, providing adequate protection without causing a short circuit.

The B72205S0500K101 is highly reliable and is designed to withstand maximum surge and surge current ratings up to 10kV. It is also designed with a high temperature coefficient for its tolerances, and has a good self-restoring capability. This ensures a reliable and safe operation even in extreme environmental conditions.

In conclusion, the B72205S0500K101 is a varistor manufactured by EPCOS, and it is mainly used for protection against transients and spiking in low voltage, high power systems. Its working principle is based on its varistor effect, and it is highly reliable, with a high temperature coefficient for its tolerances and good self-restoring capability.

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