B88069X3320T502

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Gas Discharge Tube Arresters (GDT) is a very important part in electrical engineering, it provides protection against overvoltage transients from lightning strikes as well as from power line switching. It has been widely used in electrical power systems, telecommunications, and consumer electronic applications. One of the most popular GDTs is B88069X3320T502. This article will discuss the application field and working principle of B88069X3320T502.

B88069X3320T502 is a lightning surge protector designed for telecommunications and consumer electronics applications. It is designed to protect against transient over-voltage caused by lightning or power line switching, and it can also protect against reverse current. This surge arrester is a three-terminal Gas Discharge Tube with an internal fuse, which provides a low resistance path for the surge current while blocking the steady-state current. Two diodes are also included for fast response time. The design is based on the thyristor concept, and the arrester provides very low clamping voltage protection. B88069X3320T502 is UL1449 Recognized, and meets or exceeds the requirements of IEC 60255-26 and other relevant safety standards.

B88069X3320T502 is suitable for a wide range of applications, including telecommunication and consumer electronics equipment. The surge arrester is designed for applications with low-frequency AC or DC voltages between 5V and 550V, and it can also be used in systems with high-frequency AC voltages. The surge arrester is also suitable for data and control lines. Its fast-response time and low-clamping voltage make it suitable for applications such as cable TV, modems, and other consumer electronics. B88069X3320T502 also comes with a surge-test capability, which makes it suitable for testing surge protection devices.

The working principle of B88069X3320T502 is based on the thyristor concept. It consists of two thyristors and two diodes connected in a bridge configuration. When the voltages across the two thyristors exceed their respective threshold values, the thyristors turn on and a path is created for the surge current to pass through the GDT. At the same time, the two diodes will turn on to prevent reverse current flow. The voltage across the device will be clamped to the breakdown voltage of the GDT, providing protection against the surge.

In summary, B88069X3320T502 is a three-terminal Gas Discharge Tube with an internal fuse and two diodes. It is designed for telecommunications and consumer electronics applications, and can provide protection against surge voltages up to 550V. The device has a fast response time, and a low clamping voltage. It is UL1449 Recognized, and meets or exceeds the requirements of IEC 60255-26 and other relevant safety standards. Its surge-test capability also makes it suitable for testing surge protection devices.

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