LNBTVS4-220 Circuit Protection

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Surge Protective Devices (SPD) are essential components of power supply systems for safety purposes. The LNBTVS4-220 is a kind of SPD which consists of a diode connected in series with a bidirectional element and a MOV that are designed to protect power supply circuits. This TVS diode can be used in a wide array of applications, including distributed power architectures, battery-backup systems and in telecom systems. In addition to these applications, the LNBTVS4-220 can also be used in other applications such as solar-related projects and industrial control systems where overvoltage protection is necessary.

The LNBTVS4-220 is UL1449 4th Edition listed, and the device is available in a variety of packages such as axial, surface mount, and via-hole. It has high surge capability and a low clamping ratio between 5 volts and 18 volts, making it suitable for both AC-DC low noise applications. The operating temperature range of the device is -55°C to +125°C.

The mechanism behind the LNBTVS4-220 is as follows: when a surge or overvoltage is applied to the power supply system, the MOV element in the device breaks down and begins to conduct current. The current is then shunted to the diode connected to it, which in turn, clamps down, or reduces the voltage passed through the system. This protects both the protected equipment and the power supply itself, ensuring that the system is safe to operate.

The LNBTVS4-220 has other features as well, such as a high surge capability and a low clamping ratio. This allows the device to handle high inrush currents, which may occur during power cycling for example. In addition, the device has a low capacitance, which means that the device can be used in high frequency applications as well.

In conclusion, the LNBTVS4-220 is a high-performance surge protector which is designed to protect power supply systems from overvoltage and surge events. It has a wide variety of features which make it suitable for a variety of applications, including distributed power architectures, battery-backed systems, and industrial control systems. The device is also UL1449 4th edition listed, and is available in a variety of packages.

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