Semtech Corporation

EClamp - Model 2122S - USB Downstream Port Filter & TVS For EMI Filtering and ESD Protection - Brochure

The EClamp 2122S is combination EMI filter and line termination device with integrated TVS diodes for use on USB interfaces. This device utilizes solid-state silicon-avalanche technology for superior clamping performance and DC electrical characteristics. They have been optimized for protection of USB interfaces in cellular phones and other portable electronics.