ERZ-SF2MK390

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TVS, which stands for Transient Voltage Suppressor, is one of the most commonly used components in the protection of electrical and electronic systems. The ERZ-SF2MK390 is a TV system that is used in a variety of applications. This article will discuss the application field and working principle of the ERZ-SF2MK390.

The ERZ-SF2MK390 is a thyristor-based TVS with low on-state resistance (RoS) and low leakage current at rated voltage. It is designed to provide protection from voltage spikes caused by electrostatic discharge (ESD) and other sources of transient voltage. The ERZ-SF2MK390 is suitable for a wide range of applications, including automotive, industrial and military equipment. The ERZ-SF2MK390 is also suitable for use in applications with high-power transients, such as electric motors and railway traction systems.

The ERZ-SF2MK390 has a low on-state resistance (RoS) and can protect against transients as low as 30 V. The device can handle continuous power dissipation up to 1 watt at 125°C junction temperature. It also features a flexible surge current rating from 3 to 15 amperes. The device has an operating temperature range of -40°C to +125°C and can be used in both AC and DC circuits.

The ERZ-SF2MK390 is a bidirectional device, meaning it can provide protection from transient voltage in both the forward and reverse direction. This makes the device suitable for a wide range of AC and DC protection applications. The ERZ-SF2MK390 also features a low capacitance, which helps to reduce layout area and facilitate the high-frequency operation of the circuit.

The ERZ-SF2MK390 works by dissipating the energy of the voltage transients through a combination of Joule heating and conduction. When the voltage exceeds the trip point, the device will start to conduct, dissipating the transient energy and limiting the voltage at the protected point. After the transient, the current flow will stop and the voltage will remain at the trip point until the next transient.

In addition to providing ESD protection, the ERZ-SF2MK390 can also provide surge protection against over-voltage and reverse polarity. The surge current rating of the device can be adjusted depending on the application, making it suitable for a wide range of applications. The ERZ-SF2MK390 is a cost-effective solution for applications requiring high reliability and long-term protection.

In conclusion, the ERZ-SF2MK390 is an ideal choice for protection against voltage spikes caused by electrostatic discharge and other sources of transient voltage. The device is suitable for a wide range of applications, including automotive, industrial, and military equipment. The ERZ-SF2MK390 also has low RoS and can provide protection from transients as low as 30 V. The device can also provide surge protection against over-voltage and reverse polarity. The device is cost-effective and has a long service life, making it an ideal choice for many applications.

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