B3164UALTP

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Thyristors, often referred to as Silicon Controllable Rectifiers (SCRs), are semiconductor devices employed as switches, voltage regulators, and current controllers. They are able to turn ON and OFF a current flow through a circuit, thus have important applications in many areas of power electronics.

Using a triac thyristor as the main component, B3164UALTP belongs to TVS - Mixed Technology. It works on the basis of Bidirectional Uni-Switch Transformer Less (BUST) topology, which is really important to guarantee the reliability of the devices used in signal and communication systems.

A B3164UALTP is so called a “lightning protection” device which can resist Electro-Static Discharge (ESD), off-line surge, on-line surge, over current, over voltage, lack of insulation, etc. This device can effectively/dramatically reduce the waveform distortion caused by these protection functions. As a result, it can protect the sensitive IC/circuit against damages that appear due to abnormal changes in the currents or voltages.

B3164UALTP can be used in power input, signal input, power line, signal line, etc., and provides required protection against surge and overvoltage. It can be also used in bidirectional ESD grounding paths. It is mainly used in communication and signal lines, CATV system, set-top box, and laser diode driver.

The basic working principle of B3164UALTP works based on bidirectional voltage suppression of the power line. When a high voltage surge is applied in a power line connected to B3164UALTP device, it will react quickly and clamp the voltage. The internal circuitry of the device is connected to ground to protect the connected circuits from damages.

The secret of its successful function is that its crowbar circuitry forces a short circuit between the input line and the output line. With this additional crowbar protection, the device can protect the connected circuits from any ESD/ transient induced surges.

B3164UALTP devices also offer an overcurrent protection circuit, which works on the basis of the principles of current-limiting. The current protection circuit works in parallel to the power line circuitry, and when an overload occurs, it detects it and switches off the power to the load. This prevents any further damage to the device.

The device can also be used for other protective functions like overvoltage protection, which works similar to the current-limiting, except with higher voltages. It has been designed to clamp any overvoltage in the power line and protect the connected devices.

B3164UALTP is a reliable protection device with excellent reliability and high-performance features. This device has an excellent temperature coefficients, and it has minimum generation of interference with communication/ signal lines. Its ability of protecting different equipment from different potential damages makes it quite indispensable in a wide range of different applications.

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