PN-DESIGNKIT-54 Datasheet by Bourns Inc.

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PORTNOTE® SOLUTIONS
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COPYRIGHT© 2018 • BOURNS, INC. • 4/18 • e/K1820 • “PortNote and TelNote” are registered service marks of Bourns, Inc.
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Ethernet
Quad Port Power over Ethernet (PoE++) PSE Unit Protection
Bourns® PortNote® solutions provide protection recommendations for typical port threats.
Alternate Recommendations
Other PortNote® and TelNote™ Solutions:
• Ethernet - ESD Protection PortNote®
Ethernet - Power Over Ethernet (PoE) Surge
Protection PortNote®
Ethernet - 10/100 Base-T Power over Ethernet
(PoE) PSE Unit Protection PortNote®
• Ethernet - 10/100 Base-T Power over
Ethernet (PoE) PD Unit Protection PortNote®
• Ethernet - Exposed PoE Circuit Conditioning
TelNote™
Contact Bourns for additional PoE++ and
GbE solutions.
Benefit
This solution provides ESD and Surge protection,
with low leakage, using a small area of the PCB.
To order samples, click on the
“Request Sample” button.
RJ-45
RJ-45
RJ-45
RJ-45
SM51625EL
SM51625EL
SM51625EL
SM51625EL
PSE Controller
Objective
Power over Ethernet (PoE) interfaces
combine differential signals and DC power.
This solution provides the protection for the
power section of a quad port PSE
(up to PoE++ Type 3).
Solution
1 TVS Diode Array: CDNBS08-T58CC
4 Quad Transformers: SM51625EL
Compliance*
IEC 61000-4-2 Level 4 (30 kV)
IEC 61000-4-5 Level 2 (1KV)
+
-VDC
CDNBS08-T58CC
*The Bourns© model CDNBS08-T58CC Diode Array helps ensure the
circuit protection for Power over Ethernet (PoE) applications’ compliance
to IEC 61000-4-2 Level 4 (30 kV) and IEC 61000-4-5 Level 2 (1 kV).
The schematic shown here illustrates the application and does not
constitute the complete circuit design. Customers should verify actual
device performance in their specific applications.
CDNBS08-T58CC
SM51625EL
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