15KPA240CATR Circuit Protection

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TVS, short for Transient Voltage Suppressor, is used to protect a variety of electronic components from VXDS (very fast transient overvoltages or EFTs (Electrical Fast Transient) is one of the main applications of TVS – diodes, which means they are the best choice for protection from these types of overvoltages. 15KPA240CATR is a common type of diode used in this application field. This article will explain the working principle of 15KPA240CATR and its applications.

15KPA240CATR is a unidirectional TVS diode, it is mainly designed to protect electronics fromdamage caused by EFTs or LOSs (Lightning Overshoot Simulations). It features Peak Pulse Power Dissipation (PPP) of 15KW (@10/1000µs) and Rated Standoff Voltage (VWM) of 240V. This kind of diode is widely used in the aerospace, automotive and industrial applications, due to its high reliability and strong protection against EFTs.

15KPA240CATR operates based on the principle of avalanche breakdown. Avalanche breakdown is a process in which the electric field intensity in a single diode reaches a point that electrons will appear in tens of thousands to drift at a high speed due to the drift effect of electrons. This creates an avalanche effect followed by a rapid increase in current, clamps the voltage and the current decreases as the overvoltage fades. This not only can limit the overvoltage current, but also can effectively absorb the energy of the overvoltage, thus achieving the goal of protecting the device.

Due to its fast response time and high reliability, 15KPA240CATR is widely used in various application field. In automotive applications, it is used in different vehicle systems, to protect the onboard communication bus against EFTs and LOSs. In industrial applications, it can be used to protect PCB from high frequency EFTs and against lightning caused EFTs. In Aerospace sector, these devices are also used to protect the aircraft from EFTs and LOSs during the flight. Additionally, its applications can also include protection of computers, PLCs, power supplies, communication equipment and DC circuits from EFTs.

15KPA240CATR is a reliable protection option against EFTs and LOSs. It is fast enough to protect the critical components from these kinds of voltages and its working principle is based on the avalanche breakdown process. Despite its relatively high PPP, this type of TVS diode is often seen in a variety of applications in the automobile, industrial and aviation sectors. Thus, it is one of the most beneficial and reliable protection component available in today’s electronic market.

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