B72220P3381K101

Varistor Voltage (Typ):	620V
Package / Case:	Disc 20mm
Mounting Type:	Through Hole
Operating Temperature:	-40°C ~ 105°C (TA)
Capacitance @ Frequency:	800pF @ 1kHz
Number of Circuits:	1
Energy:	370J
Current - Surge:	12kA
Varistor Voltage (Max):	682V
Series:	SuperioR-MP, S20
Varistor Voltage (Min):	558V
Maximum DC Volts:	505V
Maximum AC Volts:	385V
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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TVS - Varistors, MOVs refer to transient voltage suppressors which are primarily used to protect sensitive electronic equipment from voltage spikes. The B72220P3381K101 is one of these TVS-Varistors, MOVs devices that is designed specifically to help guard against voltage transients as short as 10 nano-seconds (10 nanoseconds = 0.000000001 second). This brief article will discuss the B72220P3381K101 device\'s application fields and working principles.Application Fields:B72220P3381K101 is mainly applicable for USB2.0/3.0,sata, hdmi,lvds and other high speed+high frequency data interface, LED lighting, PC motherboard, communication equipment, embedded systems, aerospace equipment, chip card equipment, instrumentation, industrial control, etc.Working Principle:The B72220P3381K101 TVS-Varistors, MOVs device works on the principle of providing a low current, high impedance path for any transient voltage surges. It consists of two main parts: a PN junction diode and a power supply. The PN junction diode is used to regulate the voltage of the power supply, while the power supply provides the operating voltage of the device. In case of a transient voltage surge, the PN junction diode prevents the surge voltage from getting to the power supply. This helps protect the power supply from damage and maintain its normal operating voltage.To further protect the power supply, the B72220P3381K101 device incorporates a Metal-Oxide Varistor (MOV). This is a resistor-like device whose resistance value changes with the applied voltage. When a surge voltage is applied to the MOV, the resistance of the device lowers, allowing the surge to pass onto the power supply in a controlled manner. This minimizes the potential damage caused by transient voltage surges.Additionally, the B72220P3381K101 device also includes an EMI (electromagnetic interference) filter. This helps to reduce the potentially harmful interference which can be caused by high frequency signals. The filter works by absorbing the high frequency signals, and then releasing them in a more orderly fashion, thus reducing the amount of EMI which is emitted by the device.In conclusion, the B72220P3381K101 transient voltage suppressor device is designed for a wide range of applications. Thanks to its low current, high impedance path for transient voltage surges, EMI filter, and MOVs, it is a reliable means of protecting sensitive electronic equipment from damage caused by voltage transients.

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