P2353AB61

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Thyristors are a type of semiconductor component that has three or more terminals for conducting electricity and are characterized by its ability to switch rapidly from an off state to an on state. The P2353AB61 is a device that is designed to protect circuits against over-voltage transients. It is a 600W, 25A, bidirectional Thyristor surge protector, ideal for protecting circuits against communication, power, and monitoring line transients.

The P2353AB61 operates within the range of 5 to 48 volts. It is designed to suppress over voltage transients in applications such as commercial and industrial AC power lines, DC power systems, telephone lines, and other communication signal lines. The device uses a proprietary avalanche process known as flasher turn-on, which prevents large over-voltage spikes from passing through the circuit. It operates without relying on the use of snubber networks; instead, it directly limits the surge current to an acceptable limit and stops the flow of current rapidly.

The P2353AB61 is a galvanically and optically isolated Thyristor surge protector. It uses a bidirectional Thyristor made up of two SCRs (Silicon Controlled Rectifiers) for back-to-back switching, providing a double level of protection. One SCR conducts for low and medium amplitude transients, and the other can conduct increasingly higher transients. This eliminates the risk of false tripping and damage to the load, while ensuring continual circuit protection.

This device also features anode voltage clamping, which reduces the voltage at the anode terminal, and cathode voltage clamping which reduces the voltage at the cathode terminal. This helps to reduce the risk of burn out due to over-voltages. It also provides thermal protection, helping to protect circuits against high-temperature transients. The device also features input-to-output visibility, meaning that any changes in input voltage can be directly monitored at the output end.

In addition, the P2353AB61 has dual trip points, which provide optimal circuit protection. The device is non-latching and utilizes both turn-on and turn-off pulsing which helps to maintain current continuity. It also features low trigger levels and short turn-on times, which means that the circuit is protected quickly and reliably when an over voltage transient occurs.

The P2353AB61 is an ideal solution for protecting sensitive electronics against shock, surge, and voltage overload. It is a reliable and robust device that has been tested to IEC 61000-4-5 and 63A standards. With its fast turn-on and turn-off times, it can ensure that your circuit is always protected, helping to extend its lifespan and maintain reliable operation.

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