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THBT200S

TRANSIENT VOLTAGE SUPPRESSOR FOR SLIC PROTECTION

STMicroelectronics 

®

Application Specific Discretes

A.S.D.™

THBT200S

TRANSIENT VOLTAGE SUPPRESSOR

FOR SLIC PROTECTION

FEATURES

DUAL BIDIRECTIONALCROWBARPROTECTION.

PEAK PULSE CURRENT :

- IPP = 75 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

THBT200 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

50A

1.5kV

40A

2.5kV

225A (*)

2.5kV

225A (*)

1kV

75A (*)

SCHEMATIC DIAGRAM

NC

1

T ip

2

GND

3

R in g

4

TM: ASD is trademarks of SGS-THOMSON Microelectronics.

February 1998 Ed: 2

1/7

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