SMBJ78D-M3/H

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The SMBJ78D-M3/H is a transient voltage suppression diode, or TVS diode, which is used for protection against damaging transient voltages. It is a surface mounted, unidirectional glass-passivated junction diode designed to protect voltage-sensitive components from high voltage transients such as surges and spikes.

TVS diodes come in a variety of form factors, from small three-pin surface mount components to large-scale through-hole components. The SMBJ78D-M3/H is a small surface mount diode with a 3.2 x 3.2 mm body and a maximum peak pulse power rating of 600 Watts. It has a clamping voltage of 78V and a breakdown voltage of 57 V. It also has a typical capacitance of 9.0 pF and a dissipation factor of 0.7.

The working principle of the SMBJ78D-M3/H is relatively simple. The device is designed to suppress transient voltages by diverting them away from electronic components. The diode is typically connected in parallel, often with other components, across the load. When a transient voltage is applied, the diode “clamps” or diverts the excess voltage away from the load. The diode is designed to have a high clamping voltage, which is the point at which it diverts the voltage away from the circuit.

The SMBJ78D-M3/H is designed for a wide range of applications. It can be used in all sorts of consumer electronics, such as computers, phones, tablets, and televisions, as well as industrial, automotive, and aerospace applications. It can also be used in audio, video, and other sensitive circuits where voltage transients may cause damage to components.

The SMBJ78D-M3/H is particularly well suited for overvoltage protection in mobile phones. In mobile phones, diode protection can protect the device from damage caused by electrostatic discharge, surges, spikes, and other transient voltages.

The SMBJ78D-M3/H is also well suited for protection of sensitive industrial or automotive applications. In these applications, the diode can provide protection against spikes and other transients that could damage sensitive components.

Overall, the SMBJ78D-M3/H is an extremely versatile device designed to protect electronic components from transient voltages. With its small 3.2 x 3.2 mm body and high clamping voltage, it is well suited for protection in a variety of applications.

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