TV50C850JB-G Circuit Protection

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A TVS diode, or transient voltage suppressor, is a specialized type of semiconductor device designed to protect sensitive electronic equipment from high-voltage electrical transients. It is basically a diode that has been designed to absorb large, transient voltage surges, usually caused by lightning strikes or other transient overvoltage events.

The TV50C850JB-G is a silicon-based surface mount Unidirectional TVS diode designed to protect high-speed data interfaces and other sensitive devices. It features an 8.5V reverse stand-off voltage, 50A peak pulse power dissipation (PPPD) and 350A peak pulse current (IPPM). It is designed to protect data lines from ESD, surge, and CDEFI (Cable Discharge Events) induced transients.

The device consists of a PN junction that acts as a voltage clamp. When a high voltage transient exceeds the breakdown voltage of the PN junction, a large current flows through the device, effectively “clamping” the voltage to the specified level. The energy associated with the transient is dissipated as heat. Since the device limits the voltage spike effectively, the circuitry behind it is protected from the transient.

The TV50C850JB-G has a variety of applications, mainly in the automotive and consumer electronics industries. It can be used to protect ECU, I/O ports, power rails, data and communication lines, as well as various sensitive circuits. It is also capable of protecting high speed data lines such as USB and HDMI, and its low capacitance make it suitable for protecting high-speed signal lines.

In addition to its high surge capability, the TV50C850JB-G has reverse leakage current that is below 50nA. This makes it suitable for use in medical applications, where low reverse leakage can be beneficial in prolonging the life of battery powered devices.

The TV50C850JB-G is a compact and reliable TVS diode capable of withstanding very high surge voltages. Its low capacitance, combined with its low reverse leakage current make it suitable for protecting a variety of high-speed data and communication lines. It is an ideal choice for consumer electronics and automotive applications.

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