Ethernet Power Contact and Surge Protection SOLUTIONS Solution Products PT61020L Quad Transformer Objective Compliance Ethernet interfaces are digital signals operating on a 125 MHz clock. Exposed ports may require protection against induced lightning and power contact events. Telcordia GR-1089-CORE Lightning and Power Contact and IEC 61000-4-2 Level 4 ESD. Solution 1 Quad Transformer: PT61020L 2 TVS Diode Arrays: CDSOT236-0504C 4 TBU(R) Devices: TBU-DT085-200-WH Other PortNoteTM Solutions: * Ethernet: ESD Protection * Ethernet: PoE Protection * Ethernet: ESD and Surge Protection Benefit The TVS diode array and TBU(R) device combination provides power contact and surge protection without impairing the Ethernet signal. TBU-DT085-200-WH +A -A CDSOT236-0504C Alternate Recommendations CDSOT236-0504C TBU-DT085-200-WH Gigabit Ethernet Transceiver Quad Transformer TBU-DT085-200-WH RJ-45 +B -B TBU-DT085-200-WH +C -C Design Kit TBU-DT085-200-WH +D -D PN-DESIGNKIT-23 The schematic above illustrates the application protection and does not constitute the complete circuit design. Customers should verify actual device performance in their specific applications. Americas: Europe: Tel +41-(0)41 768 55 55 Fax +41-(0)41 768 55 10 CDSOT236-0504C Asia-Pacific: Tel +1-951 781-5500 Fax +1-951 781-5700 Bourns(R) PortNoteTM solutions provide protection recommendations for typical port threats. Tel +886-2 256 241 17 Fax +886-2 256 241 16 For more information, go to: COPYRIGHT(c) 2011 * BOURNS, INC. * 1/11 * e/CPK1101 * "PortNote" is a trademark of Bourns, Inc. "Bourns" and "TBU" are registered trademarks of Bourns, Inc. in the U.S. and other countries. www.bourns.com or email: protection@bourns.com Mouser Electronics Authorized Distributor Click to View Pricing, Inventory, Delivery & Lifecycle Information: Bourns: PN-DESIGNKIT-23