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PDF THBT200S1 Data sheet ( Hoja de datos )
| Número de pieza | THBT200S1 | |
| Descripción | TRANSIENT VOLTAGE SUPPRESSOR FOR SLIC PROTECTION | |
| Fabricantes | STMicroelectronics | |
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®
Application Specific Discretes
A.S.D.™
THBT200S1
TRANSIENT VOLTAGE SUPPRESSOR
FOR SLIC PROTECTION
FEATURES
DUAL BIDIRECTIONAL CROWBAR
PROTECTION.
PEAK PULSE CURRENT :
- IPP = 35 A, 10/1000 µs.
HOLDING CURRENT = 150 mA min
BREAKDOWN VOLTAGE = 200 V min.
BREAKOVER VOLTAGE = 290 V max.
MONOLITHIC DEVICE.
DESCRIPTION
This monolithic protection device has been espe-
cially designed to protect subscriber line cards.The
THBT200S device is particularly suitable to protect
ring generator relay against transient overvol-
tages.
SIP3
COMPLIESWITHTHE FOLLOWINGSTANDARDS:
CCITT K20 :
10/700 µs
5/310 µs
VDE 0433 :
10/700 µs
5/310 µs
VDE 0878 :
1.2/50 µs
1/20 µs
FCC part 68 :
2/10 µs
2/20µs
BELLCORE
TR-NWT-001089 :
2/10 µs
2/10µs
10/1000µs
10/1000µs
(*) with series resistors or PTC.
1kV
25A
2kV
45A (*)
1.5kV
40A
2.5kV
80A (*)
2.5kV
80A
1kV
35A (*)
SCHEMATIC DIAGRAM
NC
T ip
GND
R in g
1
2
3
4
TM: ASD is trademarks of SGS-THOMSON Microelectronics.
February 1998 Ed: 2
1/7
1 page  
APPLICATION CIRCUIT
Typical line card protection concept
RING
GENERATOR
THBT200S1
LINE A
T
E
S
T
LINE B
R
E
L
A
Y
S
PTC
PTC
THBT200S1
RING
RELAY
FUNCTIONAL DESCRIPTION
Line A
TIP
-V
bat
TIP
SLIC
RING
THDTxxx
or
LCPxxx
LINE A AND LINE B PROTECTION.
Each line (TIP and RING) is protected by a bidi-
rectional Trisil, which triggers at a maximum volt-
age equal to the VBO.
The differential mode is also assured at VBO.
LineB
Ring
5/7
®
5 Page | ||
| Páginas | Total 7 Páginas | |
| PDF Descargar | [ Datasheet THBT200S1.PDF ] | |
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