TISP7xxxF3 (MV, HV) Overvoltage Protector Series
Typical Circuits
TIP
WIRE
F1a
F1b
R1a
Th3
Th1
GDTa
GDTb
PROTECTED
EQUIPMENT
Th2
R1b
AI7XBP
RING
WIRE
TISP7xxxF3
Figure 36. Protection Module
R1a
R1b
Th3
SIGNAL
Th1
Th2
AI7XBM
TISP7150F3
D.C.
Figure 37. ISDN Protection
OVER-
CURRENT
PROTECTION
SLIC
PROTECTION
RING/TEST
PROTECTION
TEST
RELAY
RING
RELAY
SLIC
RELAY
TIP
WIRE
S3a
R1a
Th4
Th5
Th3
S1a
S2a
COORDI-
NATION
RESISTANCE
Th1
Th2
SLIC
R1b
RING
WIRE
S3b
TISP7xxxF3
TISP6xxxx,
TISPPBLx,
1/2TISP6NTP2
S1b
S2b
VBAT
C1
220 nF
TEST
EQUIP-
MENT
RING
GENERATOR
AI7XBN
Figure 38. Line Card Ring/Test Protection
“TISP” is a trademark of Bourns, Ltd., a Bourns Company, and is Registered in U.S. Patent and Trademark Office.
“Bourns” is a registered trademark of Bourns, Inc. in the U.S. and other countries.
MARCH 1994 - REVISED MARCH 2006
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.
BOURNS [ BOURNS ELECTRONIC SOLUTIONS ]
