1SMB17CAT3

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TVS (Transient Voltage Suppressor) diodes are components designed to protect many different types of vulnerable equipment from over-voltage transients. The SMB17CAT3 is the latest addition to the range of TVS diodes and is suited for use in a wide array of applications. This article will discuss the range of applications for the SMB17CAT3 and explain its working principle.

The SMB17CAT3 is an ultra-low capacitance, 1500 W Stand-Off Voltage Transient Voltage Suppressor designed to protect High-Speed Line Cards, Fiber Optic Devices, Portable Electronics, as well as other application areas including Telecom and Data Communication. The low capacitance, surface-mount device offers exceptional avalanche breakdown performance and can protect data lines up to 16V. It can be used with 2 lines in parallel for up to 30V on each line.

The SMB17CAT3 is designed to prevent both over-voltage transients and over-current surges in vulnerable systems, such as computers, communications and other such equipment. It also provides a vital link in the protection of connector arrays, power supplies, memory arrays and even speakers. These devices are also able to provide a level of ESD protection, making them well-suited for portable application areas.

The working principle of the SMB17CAT3 is fairly straightforward. The device operates as a unidirectional, shock-proof valve which dissipates and limits voltage in excess of the breakdown threshold voltage. The device works by acting as a clamp, which essentially limits the voltage across the connected device. The device can be triggered into action by an excessive voltage spike, a pulse, or a constant voltage. Once the voltage reaches the breakdown voltage threshold, it triggers the device and the voltage is limited by the Zener diode, thereby protecting the device from the surge.

In conclusion, the SMB17CAT3 is a versatile device, suitable for a wide variety of applications. It is designed to provide robust protection to systems, particularly those exposed to transients and voltage surges. The device functions by acting as a clamp, thereby limiting the voltage across the connected device. It is a highly reliable and efficient device, making it ideal for various protection needs.

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