B72205S0500K111

Varistor Voltage (Typ):	82V
Package / Case:	Disc 5mm
Mounting Type:	Through Hole
Operating Temperature:	-40°C ~ 105°C (TA)
Capacitance @ Frequency:	300pF @ 1kHz
Number of Circuits:	1
Energy:	1.8J
Current - Surge:	400A
Varistor Voltage (Max):	90.2V
Series:	StandarD
Varistor Voltage (Min):	73.8V
Maximum DC Volts:	65V
Maximum AC Volts:	50V
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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TVS - Varistors, MOVs

The B72205S0500K111 is a representative of Transient Voltage Suppressor (TVS) components, a part of the semiconductor family. A TVS is a device that is designed to protect electric circuits within a working range against high-voltage transients such as electrostatic discharges (ESD) and lightning surges. The B72205S0500K111 is designed to provide reliable protection for electronic components and reduce their sensitivity and susceptibility to damage from voltage variations caused by ESD and lightning strikes.A TVS is a combination of a thermally activated device and a thermistor. In the B72205S0500K111, the thermally activated device (also called a Zener Diode) forms the base element of the TVS. The Zener Diode is connected to a load resistor and acts as a control element to regulate the voltage. When the voltage across the Zener Diode is about equal to its Zener voltage (Vz), the Zener Diode allows current to flow in a manner that limits the voltage across it. When the voltage exceeds the Zener voltage, the Zener Diode begins to conduct and diverts the excess current, which helps to prevent a surge from damaging the circuits.The other component of the TVS, the thermistor, is connected in parallel to the Zener Diode and is designed to handle transient events such as lightning strikes and electrostatic discharges. The thermistor has a low capacitance value and its resistance decreases quickly when a high voltage pulse is applied. This allows it to absorb the energy of the transient before it can reach the load. The B72205S0500K111 also has a capacitance value of 500pF, making it suitable for voltage suppression applications such as surge protection, voltage spike suppression, and overvoltage protection. It is capable of handling pulses up to 1000 watts and is designed for use in applications where reliable protection is required. It can also be used in automotive and light industrial applications, as well as in computer boards and telecom installations. In summary, the B72205S0500K111 is a TVS component that is used for protection from overvoltage transients like ESD and lightning strikes. It comprises of a thermally activated device (Zener diode) and a thermistor to provide reliable and comprehensive protection. Furthermore, the component possess a capacitance value of 500pF and can therefore be used in applications where overvoltage protection is required.

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