SMAJ70A-TP Circuit Protection

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Transient voltage suppressor (TVS) diodes are one type of surge protection devices that are designed to limit the voltage seen by connected devices from transient voltages spikes. The SMAJ70A-TP is a 600W peak pulse power (PPP) unidirectional device with a TVS diode, and it is designed to protect sensitive electronic equipment from voltage spikes caused by lightning, electrostatic discharge (ESD), and other transient voltage events. This article will discuss the application field and working principle of the SMAJ70A-TP.

Application Field

The SMAJ70A-TP is designed to be used for RF communications, peripherals, USB ports, Ethernet switches, and other areas where protection from transient voltage events is required. For applications requiring higher current, multiple SMAJ70A-TP devices can be placed in series to achieve higher operating current. Additionally, the SMAJ70A-TP is designed to meet IEC-61000-4-2 (ESD) ±15kV (air/contact) ratings, which makes it suitable for use in applications where ESD protection is necessary.

The SMAJ70A-TP is also designed with a high-frequency noise absorption feature, which helps reduce or eliminate high-frequency noise due to lightning strikes and ESD. This feature provides enhanced protection against transients in systems that have high-frequency components. It also helps reduce the overall system cost, by allowing a more reliable and cost-effective solution.

Working Principle

The SMAJ70A-TP works by clamping any undesired transient voltages at levels that are above the TVS diode’s breakover voltage. When the TVS diode receives a voltage that is higher than its breakover voltage, it clamps the voltage at a safe level. This clamps the voltage within the limits set by the option. Additionally, the SMAJ70A-TP works in multiple stages to clamp the transient voltage at different levels of magnitude. This helps provide an advanced level of protection to components with sensitive electronics.

The SMAJ70A-TP also features a state-of-the-art design. The device is built with a high-performance Faraday shield that blocks interference from the environment. The shield also helps ensure that the SMAJ70A-TP is able to provide maximum clamping performance in all ESD and transient voltage events. Additionally, the SMAJ70A-TP includes a low-clamp-voltage MOSFET, which allows for a fast and efficient clamping response.

The SMAJ70A-TP is designed to provide high-quality surge protection in a wide range of applications. Its state-of-the-art design and high-quality components make it an ideal solution for reducing the risk of transient voltage events in sensitive electronic systems. Additionally, its multiple stage protection and low clamp voltage MOSFET make it suitable for use in a wide range of applications.

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