The SFC2280-68 is a low pass filter array with integrated TVS diodes. It is designed to provide bidirectional filtering of EMI/RFI signals and electrostatic discharge (ESD) protection in portable electronic equipment. This state-of-the-art device utilizes solidstate silicon-avalanche technology for superior clamping performance and DC electrical characteristics. They have been optimized for use on a speaker port in cellular phones and other protable electronics.