PTVS3-076C-SH

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Transient voltage suppression diodes, commonly referred to as TVS diodes, are the main protection devices for electrical circuits and sensitive components. The PTVS3-076C-SH is a TVS diode manufactured by Littelfuse. The device features high peak pulse current and very low breakdown voltage, making it ideal for protecting sensitive components such as ICs, transistors, and electromechanical devices from electrical overstress.

The device offers excellent surge and ESD protection, exceeding IEC 61000-4-2 level 4 and IEC 61000-4-4 level 4 specifications. With 8kA peak pulse current and 4V breakdown voltage, the device is rated for higher surge protection than other similar TVS diodes. It is also designed for flexibility, with multiple mounting options and a low-profile package. This makes the device an ideal choice for integration into tight spaces.

The application field for the PTVS3-076C-SH is broad, offering protection for signal integrity and data lines such as High-Speed USB, HDMI, and DisplayPort. It is also used in high voltage powerline applications, automotive applications, and in medical monitoring and imaging services. In addition, the device can also be used in industrial applications, such as motor control, where it can resist the high induced surges and fast transients frequently found in these environments.

In terms of its working principle, this device utilizes the various properties of the zener diode to achieve its protection. A Zener diode is semiconductor device which can be connected in two configurations called “breakover” and “avalanche”. With the former, the PTVS3-076C-SH device operates as a high-voltage switch, while in the latter it operates as a low-voltage switch. This allows the device to absorb any high-voltage transient spikes, and then turn itself off as soon as the peak voltage is reached, providing a fast response time and low power dissipation.

The PTVS3-076C-SH is an excellent choice for voltage protection applications thanks to its high peak pulse current, low breakdown voltage, wide operating temperature range, and multiple mounting options. With its ability to protect against severe voltage transients and electromagnetic interference, the device is ideal for a wide range of signal protection and high voltage applications.

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