TVS / ESD Protection Engineering Handbook

A structured engineering reference covering:

• Parasitic inductance fundamentals
• Transient voltage overshoot
• Snapback physics
• Parasitic BJT turn-on
• SCR regenerative conduction
• Inductance interaction with snapback
• Stability and latch-up
• Practical design strategies

Table of Contents

1. Fundamentals
2. Inductance & Transients
3. Snapback Physics
4. Parasitic BJT Structure
5. SCR Turn-On Structure
6. Inductance vs Snapback Interaction
7. Snapback Stability & Latch-Up
8. Design Guidelines
9. Kelvin Ground, Flip-Chip Packaging & Snapback Control

Scope

This handbook focuses on the physical and circuit-level mechanisms governing:

• TVS dynamic behavior
• Snapback triggering
• Parasitic inductance effects
• ESD robustness engineering

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