VE2220K122R017

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The VE2220K122R017 is a part of the Transient Voltage Suppressor (TVS) product line of Varistors, MOVs, manufactured by STMicroelectronics. The device is designed to protect systems and components from transient voltage peaks, providing insulation and ESD (electrostatic discharge) protection. Its small size and low profile make it ideal for applications in which space is limited.

The VE2220K122R017’s unique design and construction gives it is its primary advantage over other TVS products. It is a non-polarized device, meaning that it will provide reliable protection even when the polarization of the surge voltage is reversed. Additionally, the device provides superior thermal performance and protection from ESD pulses even at higher working temperatures. This makes it well suited for applications that require high reliability and superior ESD protection.

To ensure the highest possible reliability, the device is manufactured using STMicroelectronics\'s proprietary Zener diode technology. This allows for a much lower contact resistance than can be achieved with traditional varistors, MOVs, or diodes. Additionally, the combination of low contact resistance and low resistance under reverse polarity makes the device highly resistant to electrical arcing which could otherwise cause system failures due to surge voltages.

The VE2220K122R017’s capabilities make it well suited for a variety of applications, such as power supply surge protection, battery over-voltage protection, ESD protection, and signal line protection. Due to its low resistance under reverse-polarity conditions, the device is also an ideal choice for applications that require reliable protection in the event of a direct or indirect reverse voltage, which can cause failure in some other TVS devices.

Working Principle: The VE2220K122R017 works by providing a low-resistance path to earth ground that becomes quickly active the moment a voltage surge beyond its preset level is detected. The device consists of a series of Zener diodes connected in reverse polarities, so that when a surge is detected, the current flows through the reverse-polarity diodes and is grounded, thus limiting the voltage. Thanks to the low resistance of the Zener diode structure, the device can protect against extremely short, high-energy pulses without causing any damage to the protected device.

Overall, the VE2220K122R017 is an excellent choice for applications requiring reliable surge protection and ESD protection. Its low-profile design, laser-trimmed zinc oxide resistors, and STMicroelectronics\'s proprietary Zener diode technology make it one of the most reliable TVS devices available on the market today.

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