Ethernet 10/100 Base-T Power over Ethernet (PoE) PD Unit Protection Solution Products CDSOT236-0504C Objective Alternate Recommendations 10/100 Base-T Power over Ethernet (PoE) interfaces combine data and 48 V DC to provide remote power to a Powered Device (PD). This solution provides ESD and overcurrent protection for the PD unit. Solution CDNBS04-B08200 1 TVS Diode Array: CDSOT236-0504C 2 Bridge Rectifiers: CDNBS04-B08200 1 TVS Diode: SMBJ58A 1 Transformer: SM51108PEL Other PortNote(R) Solutions: * Ethernet - ESD Protection * Ethernet - Power Contact and Surge Protection * Ethernet - 10/100 Base-T Power over Ethernet (PoE) PSE Unit Protection Contact Bourns for PoE+ or Gbit PoE port solutions. Benefit This solution provides ESD protection for 10/100 Base-T PoE PD devices without impairing the Ethernet signal. Compliance IEEE 802.3af and IEEE 802.11af IEC 61000-4-2 Level 4 (8 kV / 15 kV) Mode B Power SMBJ58A PD 4 5 SM51108EL 1 2 SM51108PEL SMBJ58A + RJ-45 - 3 6 Mode A Power 7 8 Tel +36 88 520 390 Fax +36 88 520 211 CDSOT236-0504C 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: EMEA: Ethernet PHY CDNBS04B08200 Design Kit PN-DESIGNKIT-34 CDNBS04B08200 Asia-Pacific: Tel +1-951 781-5500 Fax +1-951 781-5700 Bourns(R) PortNote(R) 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) 2014 * BOURNS, INC. * 9/14 * e/K1454 * "PortNote" is a registered service mark of Bourns, Inc. "Bourns" is a registered trademark 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-34