B72225S4511K101 Circuit Protection

Series:	SuperioR, S25
Packaging:	Bulk
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Maximum AC Volts:	510V
Maximum DC Volts:	670V
Varistor Voltage (Min):	738V
Varistor Voltage (Typ):	820V
Varistor Voltage (Max):	902V
Current - Surge:	20kA
Energy:	750J
Number of Circuits:	1
Operating Temperature:	-40°C ~ 105°C (TA)
Mounting Type:	Through Hole
Package / Case:	Disc 27.5mm

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B72225S4511K101 Application Field and Working Principle
TVS (Transient Voltage Suppression) and Varistors are two of the most common, and efficient, surveillance devices found in electronic circuits. A Varistor is a two-terminal device which will limit an applied voltage and maintain the power supply\'s temporary voltage spike when the line is overloaded or experiencing an excessive voltage. A MOV (Metal Oxide Varistor) works by limiting the voltage differential when the power supply\'s voltage reaches an undesired or dangerous level. It is designed to clamp high voltage spikes from lightning, electrical grid fluctuations, and/or line transients.The B72225S4511K101 Varistor-MOV is designed to provide two-way protection in applications operating at a voltage between 4 and 700 volts. That voltage range makes the B72225S4511K101 ideal for use in high insulation systems, high-frequency switching, consumer-electronics, telecommunication devices, and robotic systems.The B72225S4511K101 Varistor-MOV is a metal-oxide varistor with a multilayer design. It contains an array of zener-diodes as well as a thermally-coupled diode. The Varistor-MOV is a voltage-sensing device that can detect a subtle change in the supply voltage and will then produce an appropriate response in order to regulate the voltage across the load. It operates by controlling the current flow, and allowing a higher current when the supply voltage is low. When the supply voltage is too high, the B72225S4511K101 will lower the current flow to protect the load.The B72225S4511K101 Varistor-MOV offers excellent Return Current Impedance (RCI) over a wide frequency range, making it ideal for applications which require low return currents. It also offers excellent response times, and a low temperature and power coefficient, ensuring that it will maintain its performance over a wide temperature and voltage range. Additionally, the internal components are capable of dissipating up to 10mW of energy, making it perfect for high-frequency switching applications where high speed is a priority.The B72225S4511K101 Varistor-MOV offers a variety of advantages, such as a low thermal rise, low resistance, and wide dynamic range. It is also flame resistant, and available in various sizes and configurations. It is very low cost, yet highly reliable and efficient, making it an ideal choice for applications where high performance, compact size, and low cost are desired.The B72225S4511K101 Varistor-MOV is a very versatile and useful device, and is becoming increasingly popular for a variety of industrial and consumer applications. Its ability to protect against transient voltages make it ideal for a wide range of applications, including telecommunication devices, medical equipment, automotive electronics, and more. With its versatility, wide temperature range, and highly efficient design, the B72225S4511K101 is sure to become a key component in the design and function of many products.

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