3KASMC17HE3_A/I

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TVS (Transient Voltage Suppressor) diodes are designed to protect equipment from overvoltages caused by electrostatic discharge (ESD) and electrical surges. They are used in a wide variety of applications, from automotive to industrial and consumer electronics. The 3KASMC17HE3_A/I is one such diode, designed to provide fast, effective overvoltage protection. In this article, we will discuss the 3KASMC17HE3_A/I application field and working principle.

The 3KASMC17HE3_A/I is a low-capacitance three-series diode manufactured by Littelfuse. It is designed to provide ESD and surge protection for high-speed data lines up to USB Type-C. The diode is suitable for use in applications such as automotive electronics, consumer electronics, and industrial and instrumentation equipment. It is available in a small SOT-23 form factor, allowing for easy integration into circuit designs.

When it comes to its working principle, the 3KASMC17HE3_A/I utilizes an avalanche breakdown mechanism. When exposed to an overvoltage, the diode\'s breakdown junction begins to conduct, diverting the surge or ESD current away from the protected device. When the voltage drops below a certain level, the avalanche junction switches back to its non-conducting state. This process happens almost instantaneously, ensuring that the protected device is not damaged.

In addition to its protection capabilities, the 3KASMC17HE3_A/I also offers a high level of reliability. Its maximum peak repetitive surge current is rated at 21A, allowing it to protect even the most sensitive circuits. Moreover, its maximum ESD protection voltage is rated at ±17kV, providing effective protection from high levels of static electricity.

The 3KASMC17HE3_A/I is also designed to be highly resilient. It features a low power dissipation of 0.75uA at 200mV and a maximum junction temperature of +150°C. This allows the diode to withstand high temperatures without degrading its performance. Furthermore, its high surge resistance ensures excellent long-term reliability.

Overall, the 3KASMC17HE3_A/I is a highly reliable and resilient diode, designed to provide fast and effective overvoltage protection for a wide range of applications. Its low power dissipation, high surge resistance, and maximum junction temperature make it suitable for both consumer and industrial applications. With its avalanche breakdown mechanism and high peak surge current, the 3KASMC17HE3_A/I is an excellent choice for protecting sensitive devices from ESD and electrical surges.

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