1N8147US Circuit Protection

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A Transient Voltage Suppressor diode, or TVS diode, is an electronic component that is designed to protect semiconductor circuits and components from excessive voltages and currents. These devices are used to protect sensitive circuits, integrated circuits, wires, and other components from potentially damaging over-voltage events, such as electrostatic discharge (ESD), surges, lightning, and lightning-induced surges. The 1N8147US, manufactured by Nexperia, is a robust device that is designed to meet the most demanding applications.

The 1N8147US is a bi-directional Transient Voltage Suppressor diode which is encapsulated in a SOD-123 small and medium power package. This particular diode has a maximum peak pulse power of 500 W (10/1000μs) and a unidirectional peak pulse power of 200 W (8/20μs). Its breakdown voltage is 15V with a maximum working voltage of 13V. The device also has a maximum clamping voltage of 25V and a maximum leakage current of 10 μA at 25°C. The 1N8147US is equipped with an integrated ESD structure, which enhances its ESD protection capability and virtually eliminates external components.

The 1N8147US Transient Voltage Suppressor diode operates on the principle that voltage will be diverted to a diode when the threshold voltage of the diode (the clamping voltage) is exceeded. When the source voltage exceeds the breakdown voltage, the diode becomes forward-biased and begins to conduct. This sends the excess voltage to the diode, away from the device being protected. This is also referred to as a “clamping” action, as the voltage is “clamped” at the diode’s breakdown voltage. The diode will “reverse-bias” when the voltage falls below the breakdown voltage, thereby stopping the flow of current.

The 1N8147US is an extremely versatile device that is suitable for a wide range of applications. It has an increased standoff voltage, high peak pulse power, and a low leakage current which make it ideal for automotive electronics, industrial electronics, and consumer electronics. The device’s integrated ESD protection also makes it suitable for use in portable devices that require enhanced ESD protection. The 1N8147US can be used in devices that require protection from overvoltage, ESD, and surge, such as computers, laptops, mobile phones, and PDAs, as well as in devices that require protection from ESD, such as automotive electronics and medical instruments.

The 1N8147US TVS diode is an effective and reliable solution for protecting semiconductor circuitry and components from overvoltages and currents. Its low leakage current, high peak pulse power, increased standoff voltage, and integrated ESD protection make it ideal for a wide variety of applications. It is an ideal solution for automotive electronics, consumer electronics, industrial electronics, and portable devices.

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