
Analog Line Cards
2002 Teccor Electronics
SIDACtor
Data Book and Design Guide
3 - 21
http://www.teccor.com
+1 972-580-7777
R
Figure 3.25 shows protection of a SLIC using 20
addition to Teccor’s
Battrax
(B1100CC) and a diode bridge (General Semiconductor part
number EDF1BS). However, the overshoot caused by the diode bridge must be considered.
The series resistance (a minimum of 20
on Tip and 20
surge currents of 100 A from Tip to Ground and 100 A from Ring to Ground (200 A total) to
within the surge current rating of the SA-rated
SIDACtor
device and
Battrax
. The diode
bridge shunts all positive voltages to Ground, and the B1100CC shunts all negative
voltages greater than |-V
REF
-1.2 V| to Ground.
series resistors on both Tip and Ring in
on Ring) limits the simultaneous
Figure 3.25
SLIC Protection with a Single
Battrax
Device
R
E
L
A
Y
S
L
I
C
F0500T
F0500T
P3100SA
P3100SA
20
20
B1100CC
EDF1BS
0.1 μF
-VREF
Tip
Ring