SMB10J17CAHR5G Circuit Protection

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The SMB10J17CAHR5G is a transient voltage suppressor (TVS), a type of specialized diode designed to protect circuits and components from transient voltage disturbances such as electrostatic discharge (ESD), electrical surges, and spikes. It is a double-diode structure that can handle an extremely wide range of power levels and transient voltages, making it an ideal component for a variety of applications.

The SMB10J17CAHR5G’s construction is a 16-leaded, surface-mount package containing two 4.5V zener diodes connected in series. This double-diode structure allows the SMB10J17CAHR5G to provide maximum protection against overvoltage and transient voltage surges up to 10kW. The device has a high stand-off voltage of 17V, with a Peak Pulse power rating of 10kW (10/1000µs). Its maximum clamping voltage is 40V and its maximum leakage current is 10µA.

Due to its wide range of power capabilities and installed configuration, the SMB10J17CAHR5G is used in almost any application where transient voltage needs to be suppressed. These range from applications in automotive, industrial, commercial, and consumer electronics. The automotive industry often uses the SMB10J17CAHR5G in automotive safety systems such as airbag initiators and airbag deployment systems. The same is also true for industrial systems, where the SMB10J17CAHR5G can be found protecting solenoids, contactors, relays, and other industrial devices. In consumer electronics, the SMB10J17CAHR5G is often used in portable devices such as mobile phones, tablets, and laptops.

The working principle of the SMB10J17CAHR5G is simple but effective. When a transient voltage or an ESD event occurs, the diode mechanisms comprising the SMB10J17CAHR5G device activate and send the voltage towards ground. This diverts the transient voltage away from sensitive components and prevents them from being damaged. The SMB10J17CAHR5G device is able to do this due to its high stand-off voltage and low maximum leakage current.

In conclusion, the SMB10J17CAHR5G is a robust, dual diode TVS that is designed to provide protection against transient and surge voltages. It is a suitable component in most any application where surge protection and polarity control are needed, particularly in automotive and industrial applications. It is constructed as a 16-lead surface mount package and has a stand-off voltage of 17V and a maximum clamping voltage of 40V.

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