Published online by Cambridge University Press: 18 July 2026
This chapter delves into the high-current behavior of semiconductor devices during electrostatic discharge events, focusing on the physical mechanisms leading to device failure. It outlines how ESD-induced phenomena such as dielectric breakdown, thermal runaway, and current filamentation differ from normal device operation. Detailed analysis is provided for various failure modes – voltage and current driven – and the associated temperature dynamics under transient stress. The chapter also explores device-specific responses, including NMOS snapback, bipolar triggering, and diode overshoot under ultra-fast pulses. High-current behavior of resistors, diodes, and transistors in advanced technologies, especially Fin-type Field Effect Transistor (FinFETs), is examined using both experimental and technology computer-aided design (TCAD) simulation data. The role of scaling in reducing device robustness and the importance of understanding electrothermal effects for ESD protection design are emphasized. This foundational understanding enables more accurate prediction of device limits and informs the design of robust, technology-scalable ESD protection solutions.
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