MMBZ6V8ALFHT116

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TVS Diodes are a solution for protection of electrical components from voltage spikes. The MMBZ6V8ALFHT116, produced by ON Semiconductor, is an AEC-Q101 qualified, bidirectional unidirectional TVS diode for use in Automotive applications. The TVS can be used for multiple applications, including protection from overvoltage and electrostatic discharges (ESD), such as those caused by lightning.

The MMBZ6V8ALFHT116 has a uni-directional design, which offers bidirectional protection. It is designed to conduct current in the forward direction, while providing protection against transients in the reverse direction. The device has a static breakdown voltage of 8V, a peak pulse current of 116A and a low body breakdown voltage of 6V, allowing it to protect the device it is protecting from a wide range of voltages. This makes it an ideal choice for Automotive applications, as it can provide robust protection over the whole operating range.

The MMBZ6V8ALFHT116 is designed to provide protection for multiple devices over different Automotive operating ranges, from ignition and fuel system components, to airbags and power steering. It offers protection against overvoltage, as well as ESD from lightning or other electromechanical interruptions. The device is capable of handling a wide range of voltage transients, including short pulses of up to 855V and low-energy bursts of up to 15kV.

The working principle of the MMBZ6V8ALFHT116 is based on the fact that it is a combination of both a Zener diode and a Transient Voltage Suppression (TVS) diode. It integrates the junction of two avalanche Zener diodes, connected in series, which provide the TVS characteristics. The diodes are also connected between the anode and cathode of the device, so that it can detect voltage transients from either direction. Once the peak transient voltage exceeds the breakdown voltage, the device begins to conduct current, and the junction between the Zener and TVS diodes start to break down, so as to quickly and safely dissipate the excess energy.

In conclusion, the MMBZ6V8ALFHT116 is an ideal choice for Automotive applications in need of TVS protection. The device provides bidirectional protection across a wide range of Automotive applications, while also providing protection from overvoltage and ESD. Its working principle is simple but effective, offering reliable and effective protection for expensive electrical components against voltage transients.

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