Ethernet
Power Contact and Surge Protection
e schematic above illustrates the application protection and does not constitute the complete circuit design.
Customers should verify actual device performance in their specic applications.
PT61020EL
TCS-DL004-250-WH
CDSOD323-T05C
MF-RM055/240-0
COPYRIGHT© 2013 • BOURNS, INC. • 5/13 • WAG • 3M/CPK1303 • “TCS” is a trademark of Bourns, Inc. “PortNote” is a registered service
mark of Bourns, Inc. “Bourns” and “Multifuse” are registered trademarks of Bourns, Inc. in the U.S. and other countries.
Solution Products
PN-DESIGNKIT-45
Design Kit
Gigabit
Ethernet
Transceiver
CDSOD323-T05C
TCS-DL004
-250-WH
CDSOD323-T05C
CDSOD323-T05C
CDSOD323-T05C
TCS-DL004
-250-WH
TCS-DL004
-250-WH
TCS-DL004
-250-WH
Quad
Transformer
PT61020EL
RJ45
MF-RM055/240-0
MF-RM055/240-0
MF-RM055/240-0
MF-RM055/240-0
MF-RM055/240-0
MF-RM055/240-0
MF-RM055/240-0
MF-RM055/240-0
Asia-Pacific: Tel +886-2 256 241 17
Fax +886-2 256 241 16
Bourns® PortNote® solutions provide protection
recommendations for typical port threats.
For more information, go to:
www.bourns.com
or email: protection@bourns.com
Americas: Tel +1-951 781-5500
Fax +1-951 781-5700
Europe: Tel +41-(0)41 768 55 55
Fax +41-(0)41 768 55 10
Alternate Recommendations
Other PortNote® Solutions:
• Ethernet - ESD Protection
• Ethernet - Power Over Ethernet (PoE)
PD Solution
• Ethernet - Power Over Ethernet (PoE)
PSE Solution
• Ethernet - Power over Ethernet (PoE)
Surge Protection
Variations of this circuit are available
depending on specic design constraints;
contact your local Bourns technical
representative for more information.
Benefit
e Bourns® TCS™ High-Speed Protector
and TVS Diode combination provide robust
surge protection without impairing the
Ethernet signal.
Objective
Ethernet interfaces are digital signals operating
on a 125 MHz clock. is solution protects these
communication ports against surge and power
contact threats.
Solution
1 Quad Transformer: PT61020EL
4 TCS™ High-Speed Protectors: TCS-DL004-250-WH
4 TVS Diodes: CDSOD323-T05C
8 Multifuse® PPTC Resettable Fuses: MF-RM055/240-0
Compliance
ITU-T K.20, K.21, K.45 Basic
