SMBJ9.0CD-M3/H

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TVS (Transient Voltage Suppressor), also known as Transient Voltage Suppression Diode, is a widely used device in today’s electronic world for providing overvoltage protection of sensitive computer and microprocessor-based equipments. The SMBJ9.0CD-M3/H is a commonly used TVS semiconductor device.

A TVS diode, as the name suggests, is a diode designed to protect against transient voltage surges that can cause serious damage to electronic devices. It is designed to operate like a zinc oxide varistor by clamping the high voltages to a certain level, thereby protecting the connected electronic equipment.

The SMBJ9.0CD-M3/H TVS Device is designed to provide overvoltage protection from spikes and surges in critical applications. It helps in protecting sensitive electronic components by responding to the sudden increase in voltage faster than conventional diode protection. This TVS diode operates in reverse-bias mode and uses its internal Avalanche and Zener action.

The SMBJ9.0CD-M3/H TVS device is designed for circuits that are exposed to highly transient voltage spikes. It is a unidirectional device that can be used to protect circuits from both high and low voltage applications. It is also used to protect high-speed circuits from electromagnetic interference (EMI) and radio frequency interference (RFI).

The operation of the device is based on the Zener effect and the Avalanche Effect. In the Zener mode, the device acts as a diode, limiting voltage to its Zener voltage when it is reverse biased. The Avalanche Effect, on the other hand, is caused by the sudden release of stored charge carriers when the diode is triggered by a high voltage. In this mode, the current flow is many times the normal diode characteristic.

The SMBJ9.0CD-M3/H TVS device is designed to protect circuits from voltage events up to +14V and -20V. It has a breakdown voltage of +14 volts, a clamping voltage of 18 volts and a holding current of 18mA. It has a power dissipation rating of 500 watts and a maximum operating temperature of 125°C.

In summary, the SMBJ9.0CD-M3/H is a commonly used TVS diode that is designed to protect against transient voltage surges that can cause serious damage to electronic devices. This TVS device uses its internal Avalanche and Zener action to protect against high voltage spikes up to +14V and -20V. It is designed to be uni-directional and to protect high-speed circuits from EMI and RFI. Therefore, the SMBJ9.0CD-M3/H is a highly reliable and efficient TVS device for protecting sensitive electronic circuits from overvoltage damage.

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