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USB ESD Protection designs

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_Magneto_

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Beginner here. Im trying to find a good ESD protection IC for a simple **broken link removed**.

I am looking at PRTR5V0U2X and IP4234CZ6, both from NXP.

To me it seems like most of the specifications are very similar. Both has low capacitance, both are ideal for USB, protects up to 8kv and can protect the data and Vbus lines. The main difference I see is that the IP4234CZ6 has 6 legs and the data lines goes through the IC whereas the PRTR5V0U2X only has 4 legs and the data lines are simply connected to the IC.

What is the reason for this? Which IC provides best ESD protection?
 
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