SMBG6.5AHE3/5B

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Transient voltage suppression (TVS) diodes are designed to protect electronic circuits against electrical transients, typically caused by lightning or electrostatic discharge (ESD). The SMBG6.5AHE3/5B is an ultra-low-capacitance, unidirectional TVS diode array that helps protect high-speed data interfaces from damaging ESD transients. This article will discuss the application fields and the working principle of the SMBG6.5AHE3/5B.

Application Field
The SMBG6.5AHE3/5B can be used to protect high-speed data interfaces up to 6.5A and 10V. This diode array is particularly well-suited for protecting ultra-high-speed data communication in applications such as USB 3.1, DisplayPort, HDMI, Ethernet, and HDMI Ultra Highspeed link. Thanks to its ultra-low capacitance of less than 0.5pF at 4V, the SMBG6.5AHE3/5B can be used to provide ESD protection for data lines up to 5 Gbps. The SMBG6.5AHE3/5B also features a low required voltage to begin clamping (8.3V) and an ultra-low leakage current, making it ideal for battery-powered mobile application.

Working Principle
The SMBG6.5AHE3/5B is an ultra-low-capacitance, unidirectional TVS diode array that helps protect high-speed data interfaces from damaging ESD transients. Its working principle is based on the electric field breakdown of its PN junction. When an ESD pulse occurs, the PN junction of the diode will break down and the diode will start to conduct, clamping the ESD pulse’s rising edge voltage to a safe voltage level. The conduction current will then be diverted to the two-line TVS array’s anode output. This will prevent the ESD pulse from damaging the protected device.

The SMBG6.5AHE3/5B also features an ultra-low capacitance (less than 0.5pF at 4V) which ensures that the ESD protection is provided while minimizing any signal distortion or degradation. This is particularly important for high-speed data communication applications such as USB and HDMI. Additionally, the low required voltage to begin clamping (8.3V) ensures that the protection is effective even at low supply voltage. The diode also features an ultra-low leakage current, making it ideal for battery-powered mobile applications.

The SMBG6.5AHE3/5B is an ultra-low-capacitance, unidirectional TVS diode array that helps protect high-speed data interfaces from damaging ESD transients. It can be used to provide ESD protection for data lines up to 5 Gbps, and is particularly well-suited for protecting ultra-high-speed data communication in applications such as USB 3.1, DisplayPort, HDMI, Ethernet, and HDMI Ultra Highspeed link. It features an ultra-low capacitance, low required voltage to begin clamping, and an ultra-low leakage current.

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