SMAJ550HE3_A/I

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TVS diodes are an important line of defense in modern electronics, providing transient protection against extreme voltage and current surges. The SMAJ550HE3_A/I, a unidirectional low-power transient voltage suppressor (TVS) diode, helps to protect high-speed data interfaces, such as Ethernet, USB, HDMI, and DisplayPort/PCIe, which often encounter large surges in voltage without warning.

The SMAJ550HE3_A/I is a robust and reliable low-power transient voltage suppressor diode. It features an Epitaxy design, which enables more uniform performance, higher reliability, and better ESD protection capabilities. With its 550 W rating, the SMAJ550HE3_A/I provides high voltage protection for up to 5 Gbps data rate interfaces. The device has an ESD protection level of 2 kV, which is enough for most Ethernet and USB interfaces.

In addition, due to the low clamping voltage of the SMAJ550HE3_A/I, the device works efficiently for both high-voltage and low-voltage surges. The diode also features small sizes and a low-profile construction, allowing it to fit comfortably onto standard circuit boards.

The SMAJ550HE3_A/I works by clamping transient overvoltage on a given data line. When the circuit receives a voltage surge, the SMAJ550HE3_A/I clamps the voltage and absorbs the energy from the surge. This energy is then dissipated in the form of heat, so the circuit is not damaged.

To keep the device within its working limits, the SMAJ550HE3_A/I must be matched with a proper voltage and current rating. In general, for best results, it should be matched with a voltage rating that is slightly higher than the expected peak surge voltage. Similarly, for optimal current protection, it should be matched with a current rating that is slightly higher than the expected peak surge current.

The SMAJ550HE3_A/I is a robust and reliable low-power transient voltage suppressor diode. It is designed to protect Ethernet, USB, HDMI, and DisplayPort/PCIe data lines from transient voltage surges, as well as provide ESD protection. Additionally, it’s small size and low-profile design make it ideal for use on circuit boards. With its 550 W rating, and its ability to efficiently clamp both high and low voltage surges, the SMAJ550HE3_A/I is an excellent choice for protecting high-speed data interfaces.

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