SMB10J12A M4G

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The SMB10J12A M4G is a transient voltage suppression (TVS) diode, also known as a surge protection and overvoltage protection device, which is used to protect circuits from electrostatic discharge and transients. This diode is typically used in electronic devices, such as computers, cell phones, and other similar consumer electronics, to protect against power surges and other potentially damaging events.

The SMB10J12A M4G is constructed of two P-N junctions in series, with the anode connected to the device’s cathode and the cathode connected to the device’s anode. It is, therefore, a symmetrical device, meaning that when a voltage is applied between the anode and cathode, the device is in the off-state, and only when a voltage is applied beyond the device’s reverse voltage rating is it triggered to the on-state. Once in the on-state, the SMB10J12A M4G quickly absorbs the transients until the voltage is discharged, allowing the device to return to the off-state.

The SMB10J12A M4G is used in applications where low capacitance, low residual voltage, and fast response time are required. It has a low capacitance rating of less than 30pF, a residual voltage rating of less than 100mV, and a response time of less than 1-2ns, making it highly suitable for use in consumer electronics and automotive applications.

The SMB10J12A M4G can also be used as a primary overvoltage protection device in lead-acid battery and charger applications, as well as in telecommunications equipment, where the response time of the device is critical for the safety and reliability of the system. Additionally, the device can be used as a secondary overvoltage protection device in other systems, such as server-based systems, where fast response times and low operating voltages are essential.

In addition to its fast response time and low capacitance rating, the SMB10J12A M4G also offers a high surge capability, which is defined as the peak current that the device can absorb without being damaged or adversely affecting the system in which it is used. This is rated at 8kA, allowing it to handle high current transients that can originate from power supply surges, short-duration overvoltage events, and other similar overvoltage events.

The SMB10J12A M4G is a reliable and cost-effective way to protect circuits and electronic devices from dangerous transient voltage events, providing its users with fast responding, reliable, and reasonably priced surge protection for their electronic devices.

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