IEEE 1394B Firewire / iLink Protection Solution Products MF-SM150/33-2 Objective Compliance IEEE 1394B is an 800 Mb serial data port with 30 V, 1.5 A capability. IEEE 1394B requires short circuit and overvoltage protection. This solution addresses challenges such as hot-swap, ESD, user abuse and damaged cables. IEEE 1394B (2002) IEC61000-4-2 Level 4 Solution CG0603MLU-05E 1 Multifuse® PPTC Resettable Fuse: MF-SM150/33-2 4 ChipGuard® ESD Suppressors: CG0603MLU-05E Alternate Recommendations Smaller footprint for <45 watt applications: • MF-SMDF050-2 • CDSOT236-0504C Benefit This solution provides ESD protection as well as overtemperature and overcurrent protection for the controller port within rated limits. MF-SM150/33-2 Power Data-a Data-a Data-b Data-b Controller Firewire Port GND Design Kit CG0603MLU-05E 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. PN-DESIGNKIT-25 Americas: Tel +1-951 781-5500 Fax +1-951 781-5700 Europe: Tel +41-(0)41 768 55 55 Asia-Pacific: Tel +886-2 256 241 17 Fax +41-(0)41 768 55 10 Fax +886-2 256 241 16 COPYRIGHT© 2012 • BOURNS, INC. • 6/12 • e/CPK1106 • “PortNote” is a registered serice mark of Bourns, Inc. “Bourns” , “Multifuse” and “ChipGuard” are registered trademarks of Bourns, Inc. in the U.S. and other countries. Bourns® PortNote® solutions provide protection recommendations for typical port threats. For more information, go to: www.bourns.com or email: [email protected]