SMB10J15HE3/5B

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TVS - Diodes

TVS - diodes, also known as transient voltage suppressors (TVS), are devices commonly seen in electronics applications that protect circuits from high voltage transients, or spikes, in power. They are designed to rapidly respond to sudden voltage increases and clamp them down to an acceptable limits by redirecting the extra voltage in a safe manner.

SMB10J15HE3/5B is a type of TVS - diode commonly used in applications that require protection from voltage transients such as automotive, electric power, power supplies, telecom systems, and medical devices. It is designed to be bidirectional in nature and operates with peak pulse power of 15kW.

SMB10J15HE3/5B\'s application field covers basically all the industries mentioned above, with one of the most used fields being automotive products. It helps to protect the vehicle from various electric transients that can occur when the car starts up and shuts down, while also protecting against unexpected voltage changes that can damage the onboard electronics.

The working principle of TVS - diodes can be broken down into two parts; the reverse breakdown voltage and the clamping voltage. The reverse breakdown voltage is the voltage at which the diode begins to conduct, and is often dependent upon the type of diode being used. It is usually specified in the diode\'s datasheet. The clamping voltage is the maximum voltage that the diode can handle before it begins to conduct and redirects the voltage in a safe manner. This is typically much higher than the reverse breakdown voltage.

When a voltage transient occurs and the reverse breakdown voltage is exceeded, a large current starts to flow through the diode. This current causes the TVS - diode to begin rapidly switching and clamping the voltage down to the clamping voltage. As the transient dissipates, the current flow begins to decrease and the diode returns back to its resting state. This process happens very quickly, usually in nanoseconds, allowing the circuits to be protected from damaging voltage transients.

In conclusion, the SMB10J15HE3/5B is a TVS - diode commonly used in a variety of applications to protect circuits from high voltage transients. Its application field covers many different industries, most notably automotive and is designed to operate with a peak pulse power of 15kW. It works by utilizing a reverse breakdown voltage and clamping voltage in order to rapidly respond to any unexpected voltage increases and redirect them in a safe manner.

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