NTVB270SC-L Circuit Protection

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TVS – Thyristors are solid-state devices, widely used in industrial applications, which provide the highest level of efficient protection against transients or sudden voltage fluctuation and enable safe and reliable operation of electric equipment. The NTVB270SC-L is a specific type of TVS - Thyristor device, which has a wide range of applications and working principles.

NTVB270SC-L is a high speed, low capacitance, bidirectional thyristor (transient voltage suppression) device with a maximum permissible peak power of 270 W. The device is composed of two thyristors connected in anti-parallel and equipped with surge limiter elements. The surge limiter elements are designed to make the current passage more reliable and faster, allowing the overvoltage to be quickly overridden. This device is made of metal-oxide-semiconductor material, which has very wide operation temperature range from -55°C to +175°C.

The NTVB270SC-L device can be used in multiple applications including power supply line protection, communication line protection and DC circuit protection. In power supply line protection, NTVB270SC-L is used in combination with other protective devices such as relays, fuses and circuit breakers to protect circuit boards and power supplying equipment against voltage transients or surges. In communication line protection, NTVB270SC-L is used to provide protection against electrostatic discharge, radio frequency interference and other high frequency transients or noise. In DC circuit protection, NTVB270SC-L is used to protect the DC circuits against power supply transients and to selectively limit the maximum voltage transient in order to guard against overvoltage.

NTVB270SC-L is designed to work at many different voltages, and its working voltage is usually determined by its surge current (critical voltage) of the device. The maximum transient voltage (related to the working voltage) is dependent on the surge current of the device, which is determined by the maximum intensification surge current and the peak pulse width of the device. The peak pulse width can be adjusted according to the surge current of the device. The design of the NTVB270SC-L is based on the forward conduction principle. When the peak pulse voltage is exceeded, the device will conduct current in a forward direction, quickly discharging the applied voltage and limiting the transient voltage to a sensible range.

To sum up, NTVB270SC-L is a type of TVS - Thyristor device specially designed for providing protection against transients or sudden voltage surges. It can be used in multiple applications including power supply line protection, communication line protection and DC circuit protection. Its working principle is based on the forward conduction principle, it can quickly discharge the applied voltage and limit the transient voltage to a sensible range. Its surge current, peak pulse width and maximum intensification surge current are adjustable depending on the working voltage of the device.

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