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ESD/EMI Protection Slide 13

Key considerations for ESD clamps are listed in this slide, plus graphs illustrating the two types of breakdown voltage. The first of these is the normal zener diode I-V relationship. Breakdown voltage is highlighted at the current ramp. The second is specific to TI components, illustrated by the I-V curve of a Snap Back which breaks down at Vbr, and then snaps back to Vsb. Side-by-Side Comparison of the two graphs makes it possible to visually see why Snap Back is a better solution than the normal Zeners.

PTM Published on: 2011-05-16