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TVS - Varistors, MOVs

ERZ-U24JP222F is an ultra low surge current protection device manufactured by FSP. It belongs to the family of TVS (Transient Voltage Suppressors) and Varistors. It is a low profile, surface mount device used for suppressing transients on power supply lines.

Application Fields

ERZ-U24JP222F is mainly used for the protection of digital and communication systems, as well as other sensitive equipments such as computers, household appliances, industrial equipment, and other electronic devices from overvoltage and electrostatic discharge. It can handle high-energy surge up to 2kA and its maximum peak pulse current rating is 24A.

Working Principle

This device consists of a metal oxide varistor (MOV) which acts as a voltage-dependent resistor. During normal operation, the MOV is in a low resistance state allowing current to flow freely. When an overvoltage surge is encountered, the MOV becomes a high resistance, acting as a barrier to reduce the amount of current flowing through the circuit. This helps to protect the circuit from the destructive effects of high voltage and current.

The MOV can withstand a maximum peak pulse current rating of 24A, which is sufficient for the protection of a wide range of electronic devices. Moreover, it is designed to have low capacitance, which ensures high speed pulse wave-form protection even in high-frequency applications. In addition, it has a low clamping voltage and its transient response time is typically less than 1ns.

Conclusion

ERZ-U24JP222F is an ideal choice for the protection of sensitive electronic equipments from overvoltage and electrostatic discharge. It features high surge capability, low clamping voltage, high speed response, and low capacitance. Moreover, it is a low profile, surface mount device, which makes it an ideal choice for applications where space is a constraint.

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