Bourns Fax/modem protection kit SMT 15 Parts PN-DESIGNKIT-8 Datenbogen

Produktcode
PN-DESIGNKIT-8
Seite von 1
RJ11 Fax/Modem (FXO)
Modem
DAA 
RJ11
B1250T
TISP4350T3BJR-S
Solid-State
Hook Switch
CD2320-B1600
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. 
COPYRIGHT© 2012 • BOURNS, INC. •  6/12 • e/CPK1021   •   “PortNote” is a registered service mark of Bourns, Inc. 
 “Bourns” is a registered trademark of Bourns, Inc. in the U.S. and other countries.
Solution Products
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
Compliance
ITU-T K.21, IEC 60950, UL 60950 and TIA-968A 
Alternate Recommendations
The TISP4310T3 should be considered for some “B” 
type ringers or for ITU-T Enhanced testing; consult 
with your local Bourns representative.
Benefit
This solution provides a high level of protection 
within a small amount of PCB area.
Objective
In telecommunications, foreign exchange 
office (FXO) designates a telephone 
signaling interface that receives plain old 
telephone service (POTS). This solution 
protects those interfaces against surge and 
power contact threats. 
Solution
1 Thyristor: TISP4350T3BJR-S
1 Telecom Fuse: B1250T
1 Diode Bridge: CD2320-B1600
Design Kit