B72242L0421K102

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The B72242L0421K102 is a type of TVS (transient voltage suppressor) varistor, or more commonly referred to as MOV (metal oxide varistor). TVS varistors are designed to protect a variety of electronic equipment and circuits from excessive voltage surges and transient voltage spikes.

MOVs (metal oxide varistors) are basically non-linear resistors made out of zinc oxide particles. When an overvoltage or transient voltage event occurs, the electrons within the zinc oxide grains become excited and begin to move around. This phenomenon is known as "avalanche conduction" because of the rapid succession of avalanches occurring. The conduction of electrons results in a highly resistive path that limits the over-voltage, effectively clamping and diverting the excessive voltage away from the protected circuits.

Due to their cost-effectiveness, robustness, and easy installation, MOVs are very popular in a wide range of applications. They can be used as surge suppressors in power lines, telecommunication lines, personal computers, network equipment, as well as in electronic instrumentation and measurement equipment. They are also capable of providing ESD (electrostatic discharge) protection, and for providing RF (radio frequency) isolation and attenuation.

The B72242L0421K102 is an especially robust TVS varistor with a wide variety of features. It has a voltage rating of 72V RMS and features a low-resistance design with a maximum leakage current of 42mA. It is capable of handling overvoltage transients up to 10A, and has an insulation resistance rating of >=1000M Ohms in normal operation. The device also features a very low capacitance of 6pF, which makes it ideal for use in high-frequency applications.

In addition, the B72242L0421K102 has a fast response time of only 15ns, meaning that it is able to respond and protect circuits from voltage transients much faster than other MOVs. It is also RoHS compliant, making it suitable for use in a wide range of environments.

Overall, the B72242L0421K102 is an excellent type of TVS varistor that can provide reliable and effective protection from overvoltage transients and ESD attack. Its low capacitance, high voltage rating, low leakage current, and fast response time makes it ideal for use in a wide variety of electronic equipment and circuits.

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