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TVS0500: Why does the part have a higher clamp voltage , even when its rated as a flat clamp diode?

Tony Philip45
Intellectual 755 points
Part Number: TVS0500


Hi,

We are selecting an ESD /TVS diode for a general non- compliance application. I thought it would be good to go for a flat clamp diode. The TVS0500's datasheet mentions that its Clamp Voltage (Vclamp) is around 8.6V - 9.2V for different surge currents.

Can I also assume that the surge current in a human ESD discharge is around 15A as per the IEC guidelines ?. Also how can I calculate the voltage to which the protected line will be raised to(assuming VBUS =5V)  for this diode (TVS0500) ? - Is it using Rdyn?

Tony.