This device is a 4 line EMI Filter Array for wireless applications.The NUF4403MN provides greater than -35 dB attenuation at frequencies from 800 MHz to 2.2 GHz.It also offers ESD protection-clamping transients from static discharges.ESD protection is provided across all capacitors.

• EMI Filtering and ESD Protection
• Integration of 20 Discretes Components
• Compliance with IEC61000-4-2 (Level 4)- 18kV Contact and 30 kV Air
• DFN Package, 1.6 x 1.6 mm
• Moisture Sensitivity Level 1
• ESD Ratings:Machine Model = C and Human Body Model = 3B