SMA5J15A-E3/61

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TVS - Diodes are the products of transil techonology, designed aimed to protect data lines and circuits against ESD transients and other overvoltage/overcurrent threats. SMA5J15A-E3/61 is a TVS diode with the dual main functions: ESD protection and overvoltage protection. The main working principles in these fields are as follows.

For ESD protection, SMA5J15A-E3/61 can take advantage of the high avalanche breakdown voltage of the diode itself. When the input line is connected to ground via an external cable, the static electric charge is discharged to ground in the form of high-frequency noise. This high-frequency noise will produce a large current flowing in the TVS diode, which is the basis of its ESD protection. When the reverse breakdown voltage of the diode is reached, the diode will turn on and the current can be safely discharged to ground. This technology enables SMA5J15A-E3/61 to provide an effective protection against ESD transients, greatly improving the reliability and safety of any device connected to it.

For overvoltage protection, SMA5J15A-E3/61 can take advantage of its strong polarizability and a reverse leakage current that is very low at low voltages. When the input line is high, the voltage exceeds the rear breakdown voltage of the diode and the current is kept below a predetermined level. This is the basis of the overvoltage protection of SMA5J15A-E3/61. Thus, even when the input line surges to a higher voltage than the normal operating range, the current is maintained below the maximum allowable current and the device can be safely operated.

In short, both ESD protection and overvoltage protection of SMA5J15A-E3/61 are based on the strong reverse breakdown voltage of the diode and the strong polarizability of the diode. It is the combination of these two properties that allows SMA5J15A-E3/61 to provide an effective ESD protection and an overvoltage protection.

SMA5J15A-E3/61 is mainly used in the automotive and computer industry. In the automotive industry, it can be used as an effective ESD, overvoltage, and transient pulse suppression for microprocessors, automotive electronics, and other circuitry. In the computer industry, it can be used as a high-frequency line filter and overvoltage protection for motherboards, graphics cards, and other electronic equipment.

Overall, due to the strong reverse breakdown voltage and strong polarizability of SMA5J15A-E3/61, it is a highly reliable TVS diode for ESD and overvoltage protection. With its wide usage in both automotive and computer industry, SMA5J15A-E3/61 can be seen as an ideal choice for protecting sensitive electronic components and circuits from transient or ESD voltage spikes.

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