Application Specific Discretes

A.S.D.

™

THBT200S

TRANSIENT VOLTAGE SUPPRESSOR

FOR SLIC PROTECTION

®

DUAL BIDIRECTIONALCROWBARPROTECTION.

PEAK PULSE CURRENT :

µs.

HOLDING CURRENT = 150 mA min

BREAKDOWN VOLTAGE = 200 V min.

BREAKOVER VOLTAGE = 290 V max.

MONOLITHIC DEVICE.

FEATURES

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.

DESCRIPTION

February 1998

Ed: 2

SCHEMATIC DIAGRAM

1

2

3

4

NC

Ti p

Ri n g

GND

CCITT K20 :

10/700

µs

1kV

5/310

µs

25A

VDE 0433 :

10/700

µs

2kV

5/310

µs

50A

VDE 0878 :

1.2/50

µs

1.5kV

1/20

µs

40A

FCC part 68 :

2/10

µs

2.5kV

2/20

µs

225A (*)

BELLCORE

TR-NWT-001089 :

2/10

µs

2.5kV

2/10

µs

225A (*)

10/1000

µs

1kV

10/1000

µs

75A (*)

(*) with series resistors or PTC.

COMPLIESWITHTHE FOLLOWINGSTANDARDS:

SIP3

TM: ASD is trademarks of SGS-THOMSON Microelectronics.

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