SMBG54AHE3/5B

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TVS diodes are transil diodes that offer transient voltage protection for circuits used in industrial, communications, electro-medical, and automobiles applications. SMBG54AHE3/5B is a 6.25 Watt breakdown voltage surface-mount TVS diode that can be used to protect one or multiple lines from over-voltage transients. It features a low clamping voltage drop of 0.60V typically and can be used with currents up to 5.0 Amp. It also has a low operating current of 0.11 mA.

The application field of SMBG54AHE3/5B is mainly suitable for the protection of electronic circuits. It can be used in many different applications such as automotive, industrial, communications, and electro-medical applications. In automotive applications, it can be used to protect sensitive components from voltage transients such as spikes or surges. It can also be used in industrial applications to protect devices from voltage transients generated by high-power systems. In communication applications, it can be used to protect communication lines from transients caused by lightning strikes or switch gear or other power disturbances. In electro-medical applications, it can be used to protect sensitive equipment from voltage transients that could cause harm.

The working principle of SMBG54AHE3/5B is based on the principle of avalanche and breakdown. It is used to protect circuits from over-voltage transients by clamping them to a safe level. The device works by reverse-biasing the junction of the two diode terminals. When the reverse-bias voltage reaches a certain level, the junction of the two diode terminals begins to avalanche. This allows the electrons to free flow to the anode and the avalanche effect increases exponentially with increased voltage.

When the voltage reaches the breakdown voltage of the diode, the electrons can flow from the cathode to the anode and as a result, voltage is clamped to a safe level. This clamping of voltage is done so that the sensitive circuit components are not damaged due to high voltage transients. The breakdown voltage of SMBG54AHE3/5B is 6.25W and the maximum peak pulse current is 5.0 Amp.

In summary, SMBG54AHE3/5B is a transil diode that is mainly used to protect sensitive electronic components from over-voltage transients. It features a low clamping voltage drop, a low operating current, and a high peak pulse current. The breakdown voltage of the diode is 6.25W and it can be used in industrial, automotive, communications, and electro-medical applications.

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