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← TechnologyWhich failure becomes likely when high-frequency voltage spikes exceed a MOSFET's gate-oxide limit?
A)Gate-oxide dielectric breakdown✓
B)Increased channel resistance
C)Source-drain junction leakage
D)Substrate latch-up trigger
💡 Explanation
Gate-oxide dielectric breakdown occurs because exceeding the voltage limit causes an electric field strong enough for tunneling resulting in permanent insulating layer damage. Therefore, gate-oxide rupture is the primary risk, rather than parametric degradation scenarios under normal operating conditions.
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