B72214S0621K351

Varistor Voltage (Typ):	1kV
Package / Case:	Disc 14mm
Mounting Type:	Through Hole
Operating Temperature:	-40°C ~ 105°C (TA)
Capacitance @ Frequency:	200pF @ 1kHz
Number of Circuits:	1
Energy:	130J
Current - Surge:	4.5kA
Varistor Voltage (Max):	1.1kV
Series:	StandarD
Varistor Voltage (Min):	900V
Maximum DC Volts:	825V
Maximum AC Volts:	625V
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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Introduction

TVS - Varistors, MOVs are two types of transient voltage surge suppression devices. They are both equally important in providing protection to sensitive electronic equipment and wiring, as they are designed to provide a much-needed defence against electrostatic discharge and electrical surge events. Both devices operate differently however, their end goal of providing a safe and effective barrier against electrical transients is the same.

B72214S0621K351

B72214S0621K351 is one such product of a TVS - Varistors, MOVs device. A TVS is composed of a semiconductor diode, where as an MOV is composed of a metal oxide varistor, and both are designed to provide an electrical protection to electrical equipment when the voltage rises to levels greater than that of the set voltage of the device. The voltage threshold, of this device, is the maximum voltage at which the device will be activated and provide the protection at.

Application Field

The B72214S0621K351 device is designed to be used in Automotive and Telecommunications applications. Automotive applications are typically exposed to a wide range of environmental conditions, such as frequent power occurrences and temperature variations. The B72214S0621K351 can provide protection to these Automotive Electronics from overvoltage transients.In Telecommunications, the B72214S0621K351 can be used in telephone lines, radio, and television transmission systems, to protect the circuitry from voltage drops and transients.

Working Principle

The working principle of the B72214S0621K351 can be broken down into two main parts, the over-voltage protection and the transient surge protection.The over-voltage protection is designed to protect the circuitry from any voltage spikes or surges greater than the set voltage of the device. When the voltage rises to this level, the B72214S0621K351 will simply shunts the excess voltage away from the sensitive electronics, in order to prevent damage.The transient surge protection is designed to provide protection for the circuitry for any electrostatic discharges, transients, or lightning strikes. This is done by having a short time delay incorporated into the device, so that any over-voltage, even if large, is conducted away from the sensitive electronics before it is able to cause any harm.

Conclusion

In conclusion, the B72214S0621K351 is an excellent choice for providing both over-voltage and transient surge protection in applications that are subject to demanding environmental conditions. Its over-voltage protection is designed to protect the sensitive electronics from voltage spikes and surges, while its transient surge protection helps to provide defence against electrostatic discharges, transients, or lightning strikes. The B72214S0621K351 is an ideal choice for Automotive and Telecommunications use, as it is designed to handle tough environment aplications.

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