SMBG75CAHE3/5B

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A TVS diode is an electrically operated device that can protect against potentially damaging overvoltage or transient surges. The SMBG75CAHE3/5B series is a low-power, low-profile, low-clamping bidirectional ESD protection TVS diode. It can protect sensitive electronic equipment from damage due to electrostatic discharge (ESD). This device also protects against overvoltage transients, EMI/RFI interference, and power line surges.

SMBG75CAHE3/5B is mainly used for protecting sensitive electronic components from the destructive effects of electrostatic discharge. It provides a high level of protection against electrostatic discharges up to ±30kV, as well as suppressing power line surges, EMI/RFI interference, and overvoltage transients. This device is designed to protect the internal circuitry of electronic equipment against such hazards.

The working principle of SMBG75CAHE3/5B is to provide a low-capacitance and low-resistance ESD protection circuit. It consists of a parasitic thyristor structure composed of n-type semiconductor regions. When an ESD pulse occurs, the thyristor structure works to quickly reduce the voltage of the positive ESD pulse or the negative ESD pulse to a safe level, thereby protecting the equipment’s delicate circuitry from damage. This diode also has a low-resistance clamping voltage when conducting current in the forward direction.

The SMBG75CAHE3/5B series is a bidirectional diode which can protect two circuits which are connected in opposite directions. It is available in SOT-23, SOD-323, SOD-882 and DFN2 packages which make it suitable to be mounted in space constrained areas such as consumer devices, mobile phones, hard disk drives, and automotive electronics. This diode also has an ultra-low forward voltage drop of only 0.3V and a low-capacitance junction to ensure high-speed performance over a wide temperature range.

The SMBG75CAHE3/5B series is ideal for protecting a wide range of sensitive devices and is suitable for a variety of applications including consumer electronics, automotive electronics, portable consumer devices, hard disk drives, and other sensitive electronic components. Its ESD protection ratings of up to ±30kV makes it an excellent ESD protection solution for highly sensitive devices that require large ESD protection ratings. The device’s low-capacitance junction ensures high-speed performance, while its low-resistance, clamping voltage ensures reliable protection against voltage surges and transients.

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