SMD Compact ESD Protection Diodes ComChip SMD Compact ESD Protection Diodes are available in 0402 (SOD-923F) or 0201/DFN0603 package, which are ideal for applications with space constraints. These ESD Suppressor diodes are available in 3.3V, 5.0V, and 12V versions. The 0402 (SOD-923F) packages feature a low leakage current, a response time of less than one nanosecond, and offer uni-directional or bi-directional protection. ComChip SMD Compact ESD Protection Diodes are offered in the 0201/DFN0603 package are ideal for consumers calling for products that are smaller, thinner, and when real estate space is a concern.