GR-1089-CORE Dual Supply Voltage
Solution Products
Objective
The SLIC telephone interface
supplies battery power, provides
dialtone, and generates ringing
voltage. This solution protects
dual supply voltage SLIC
interfaces against surge and
power contact threats.
RJ11 SLIC Protection
Compliance
GR-1089-CORE, Section 4, Port Types 1, 3, 5
Alternate Recommendations
Other PortNote® Solutions:
• RJ11 SLIC Protection: GR-1089-CORE Negative Voltage Tracking
• RJ11 SLIC Protection: ITU-T Negative Voltage Tracking
• RJ11 SLIC Protection: ITU-T Dual Supply Voltage
Solution
1 Thyristor: TISP8200HDMR-S
1 Thyristor: TISP8201HDMR-S
2 Telecom Fuses: B1250T
Benefit
This solution provides a high level of protection in
a small amount of PCB area.
+V
BAT
220 nF
TISP8201HDMR-S
B1250T
SLIC
RJ11
Design Kit
TISP8200HDMR-S
220 nF
-V
BAT
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.
B1250T
Americas:
Europe:
Tel
+41-(0)41 768 55 55
Fax
+41-(0)41 768 55 10
Tel
+1-951 781-5500
Fax
+1-951 781-5700
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:
Asia-Pacific:
www.bourns.com
COPYRIGHT© 2011 • BOURNS, INC. • 8/11 • e/CPK1018 • “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
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