Satellite Receiver RF Input
Surge Protection
Compliance
IEC 61000-4-5:
SMCJ20A alone: 8/20 µs surge 150 A
SMLJ20A alone: 8/20 µs surge 400 A
SMCJ20A & 2051-09-SM & CC453232:
8/20 µs surge 2 kA
Solution Products
Objective
This solution is designed to offer surge
protection to the RF input port from a
set-top box to a satellite dish. Lightning
strikes or near strikes to the building can
damage the delicate RF port and the power
supply which is fed to the dish.
2051-09-SM-RPLF
Solution
Option 1
SMCJ20A/SMLJ20A
Benefit
This solution provides a low height, high current
solution to exposed set-top box applications.
1 TVS Diode: SMCJ20A
Option 2
1 TVS Diode: SMLJ20A
Option 3
1 TVS Diode: SMCJ20A
1 GDT: 2051-09-SM-RPLF
1 Wirewound Chip Inductor: CC453232-1R0KL
CC453232-1R0KL
RF
Input
DC
Supply
CC453232-1R0KL
TVS
Diode
Design Kit
2051-09-SM-RPLF
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-46
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Bourns® PortNote® solutions provide protection
recommendations for typical port threats.
For more information, go to:
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COPYRIGHT© 2014 • BOURNS, INC. • 5/14 • e/K1432 • “PortNote” is a registered service mark of Bourns, Inc.
“Bourns” is a registered trademark of Bourns, Inc. in the U.S. and other countries.
or email: protection@bourns.com