SMTHDT58 datasheet(1/6 Pages) STMICROELECTRONICS

Part #	SMTHDT58

Description	TRISILTM DISCRETE SOLUTION FOR ISDN PROTECTION

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Manufacturer	STMICROELECTRONICS [STMicroelectronics]

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Application Specific Discretes

A.S.D.

TM

SMTHDTxx

TRISIL

™

DISCRETE SOLUTION FOR ISDN PROTECTION

®

UNDIRECTIONAL CROWBAR

PROTECTION.

PEAK PULSE CURRENT:

IPP = 75 A , 10/1000

µs.

HOLDING CURRENT = 150mA.

BREAKDOWN VOLTAGE:

SMTHDT58 = 58V.

SMTHDT80 = 80V.

SMTHDT120 = 120V.

PACKAGES:

SMTHDTxx = SURFACE MOUNT PACKAGE.

FEATURES

Dedicated protection devices for ISDN LINE

CARD and high speed data telecom lines.

Used with the recommended configuration using

3 components, they will provide =

- Dual bidirectionnal protection, with fixed

breakdown voltage in both common and

differential modes.

- Low capacitancesfrom lines to ground.

- Very good capacitance balance :

∆C= 30 pF.

DESCRIPTION: TRIBALANCED PROTECTION

April 1999 - Ed: 1A

K

A

FUNCTIONAL DIAGRAM.

Symbol

Parameter

Value

Unit

Rth (j-l)

Junction-leads Thermal Resistance

SMC

200

°C/W

THERMAL RESISTANCES

Symbol

Parameter

Value

Unit

IPP

Peak pulse current

10/1000

µs

8/20

µs

75

150

A

ITSM

Non repetitive surge peak on-state

current

tp = 20 ms

30

A

di/dt

Critical rate of rise of on-state current

Non repetitive

100

A/

µs

dv/dt

Critical rate of rise of off-state voltage

67% VBR

5KV/

µs

Tstg

Tj

Storage and operating junction temperature range

- 40 to + 150

+ 150

°C

ABSOLUTE RATINGS (limiting values) (-40

°C ≤ Tamb ≤ +85°C)

SMC

1/6

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