SMBG78CAHE3/5B

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TVS (Transient Voltage Suppressor) Diodes are semiconductor components designed especially to protect sensitive electronics from destructive surges in voltage known as transients. Without this protection, electronic equipment can suffer severe and sometimes irreparable damage including, but not limited to, malfunction and complete system failure. A TVS diode must be able to conduct current around a specific threshold and clamp the voltage below it.

The specific type of TVS diode that this article will be about is SMBG78CAHE3/5B. This component is a transient voltage suppressor capable of staying in the low capacitance and ultra-low capacitance ranges while operating with a low capacitance values in both states, and a high capacitance values in the On state. It is also a bi-directional transient voltage suppressor diode that utilizes ultra-low capacitance technology. It is composed of a low capacitance silicon semiconductor junction that is encapsulated in a small and compact package.

The SMBG78CAHE3/5B TVS diode can be used in a variety of applications. Generally, it is used in electronics for surge protection, prevention of voltage spikes, transient suppression, and transient overvoltage protection. It is mainly used in consumer electronics, automotive electronics, communications systems, medical and industrial electronics, and any other applications that require transient protection.

The working principle of the SMBG78CAHE3/5B TVS diode is based on a basic diode structure. When the transient voltage increases to the breakdown voltage, the diode starts to conduct heavily. This rapidly increases the surface current and dissipates the transient voltage. The process is known as clamping and it is what allows the TVS diode to protect the electronics by preventing the transient voltage from exceeding a certain threshold.

The SMBG78CAHE3/5B TVS diode also offers various features that make it ideal for its applications. It has a low capacitance such that it can protect weak electric signals from getting destroyed by transients. Furthermore, its ultra-low capacitance technology helps to prevent any negative effects on high-frequency signals. It also features high peak pulse and clamping voltages, which ensures that it can clamp and dissipate transient voltages without damaging the components.

In short, the SMBG78CAHE3/5B TVS diode is a transient voltage suppressor designed especially to protect sensitive electronics from destructive surges in voltage. It is mainly used in consumer electronics, automotive electronics, communications systems, medical and industrial electronics, and any other applications that require transient protection. It is able to function through a basic diode structure, and its features make it an ideal component for these applications.

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