CDNBS08-PLC03-3.3_10 数据手册
SOLUTIONS
Power Over Ethernet (PoE)
Objective
Power over Ethernet (PoE) interfaces combine two Vp-p differential signals and nominal 48 VDC power. This solution provides protection for both the data and power signals.
Ethernet
Solution Products
Compliance
IEEE802.3af and IEEE802.11af IEC 61000-4-2 Level 4 (8 kV / 15 kV)
Alternate Recommendations
CDNBS08-PLC03-3.3
Solution
2 TVS Diode Arrays: CDNBS08-PLC03-3.3 2 Rectifier Diode Arrays: CDNBS04-B08200 1 Discrete TVS Diode: SMBJ58A 1 Multifuse® PTC: MF-SMDF050
Other PortNote™ Solutions: • Ethernet - ESD Protection • Ethernet - Power Contact and Surge Protection Contact Bourns for PoE+ or Gbit PoE ports.
Benefit
This solution provides protection for PoE without impairing the Ethernet signal.
CDNBS04-B08200
MF-SMDF050
SMBJ58A
PSE 4 5 1
PD 4 5 1
CDNBS04-B08200
CDNBS08-PLC03-3.3
MF-SMDF050
PoE Power Supply
Dual Transformer
RJ-45
RJ-45
Dual Transformer SMBJ58A
Design Kit
6 7 8 6 7 8 CDNBS04-B08200 CDNBS08-PLC03-3.3
PN-DESIGNKIT 2
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.
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Bourns® PortNote™ solutions provide protection recommendations for typical port threats. For more information, go to:
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COPYRIGHT© 2010 • BOURNS, INC. • 04/10 • e/CPK1003 • “PortNote” is a trademark of Bourns, Inc. “Bourns” and “Multifuse” are registered trademarks of Bourns, Inc. in the U.S. and other countries.
or email: protection@bourns.com
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