SMBJ9.0D-M3/H

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Transient Voltage Suppressors (TVSs), also known as TVS Diode, are four-layer semiconductor devices used for the protection of electronic equipments from overvoltage transients. Their purpose is to provide protection using an avalanche breakdown mechanism, providing a low impedance path to ground when triggered by an overvoltage condition.

The SMBJ9.0D-M3/H is a 400W, 9.0 Volt, unidirectional TVS Diode designed to protect sensitive electronic components from harmful electrical transients due to lightning or other sources. It is compliant with the RoHS Directive (2011/65/EU) and AEC-Q101.

The SMBJ9.0D-M3/H TVS Diode works by clamping the voltage transient to a safe level. When the output voltage exceeds a certain threshold set by the device, the clamping action works to protect the device. This TVS Diode is designed with various features such as high temperature performance, low capacitance, high peak pulse power capability, and a wide operating temperature range to meet the most demanding applications. It is suitable for a variety of markets, including automotive, medical, consumer electronics, telecom, and industrial automation.

Typical applications for the SMBJ9.0D-M3/H TVS Diode includes automotive engine control, defibrillator circuitry in medical devices, telecom power line protection, and industrial sensors. It can be used to protect circuits from overvoltage and ESD switching transients that can be induced by lightning, electrostatic discharge, and other environmental factors.

The device is constructed with four layers, consisting of a P+ layer, a N+ layer, a P layer, and a N layer. During operation, the N+ layer is the anode and the P+ layer is the cathode. When a transient occurs, the diode is activated and a conductive avalanche occurs between the N+ and P+ layers. This action creates a clamping effect, reducing the voltage between the anode and cathode to a safe level and protecting the device.

The SMBJ9.0D-M3/H TVS Diode features a variety of characteristics that make it a great choice for applications demanding robust protection. It provides low capacitance to prevent high frequency signal distortion; it has a wide operating temperature range of -55°C to 150°C; and it is designed with a fast response time to protect equipment from peak pulse power surges. In addition, its low leakage current reduces power dissipation in the circuit, making it an ideal choice for high performance applications.

The SMBJ9.0D-M3/H TVS Diode is a great choice for protection against damaging transient events. With its high peak pulse power capability, wide operating temperature range, and fast response time, it is an excellent choice for a variety of applications including automotive, medical, consumer electronics, telecom, and industrial automation.

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