Product Description
The CM1418 is an L-C EMI filter array with ESD protection that integrates two Pi-filters (C-L-C) for a headset speaker. The CM1418 has component values of 117pF/3.0nH/117pF. The parts include ESD protection diodes on all input/output pins, and provide a very high level of protection for sensitive electronic components against possible electrostatic discharge (ESD).

Features
• Two channels of EMI filtering
• ±30kV ESD protection (IEC 61000-4-2, contact discharge)
• ±30kV ESD protection (HBM)
• OptiGuard™ Coating for improved reliability at assembly
• Greater than 35dB of attenuation at 1GHz
• 6-bump, 1.720mm x 1.220mm footprint Chip Scale Package (CSP)
• RoHS-compliant, lead-free finishing

Applications
• Headset Speaker port in mobile handsets
• I/O port protection for mobile handsets, notebook computers, PDAs etc.
• EMI filtering for data ports in cell phones, PDAs or notebook computers.