Filter design is tricky, as shown by numerous practical examples, particularly with the USB interface in industrial applications. Wuerth Electronics offers a USB 2.0, type A jack, the WE-EPLE, the first USB jack with an integrated EMC filter and ESD protection. It is pad-compatible with most conventional USB jacks, and the dimensions also stay the same. Existing designs are transformed into EMC- compatible designs in little time.
The integrated EMC filter eliminates broadband interference on voltage and signal lines, and at the same time, is almost invisible for the signal lines.
-VCC filter impedance above 100Ω in the 20MHz range to an
excess of 1GHz
-Common-mode suppression at 240MHz in excess of 250Ω
-ESD suppression at levels of 10V at level 4 ESD pulses with
The WE-EPLE, USB 2.0, type A jack, is compatible with the USB 2.0 standard.