November 2007

Rev 5

1/9

9

TPI

Tripolar protection for ISDN interfaces

Features

I

– TPI80N:

80 V

– TPI120N: 120 V

– TPI8011N: 120 V

– TPI12011N: 170 V

Benefits

high speed transmission without signal

attenuation

ensure longitudinal balance

differential modes

common and differential modes

internal wire bonding. The “4-point”

configuration ensures a reliable protection,

eliminating overvoltages introduced by the

especially for very fast transient overvoltages

TM: Trisil is a trademark of STMicroelectronics

Complies with following standards

– 10/700 µs, 1.5 kV

– 5/310 µs, 38 A

– 10/700 µs, 2 kV

– 5/310 µs, 50 A

– 1.2/50 µs, 1.5 kV

– 1/20 µs, 40 A

– 0.5/700 µs, 1.5 kV

– 0.2/310 µs, 38 A

Description

Dedicated devices for ISDN interface and high

speed data telecom line protection. Equivalent to

a triple Trisil™ with low capacitance.

Figure 1.

Functional diagram

SO-8

Tip

GND

GND

Ring

Tip

GND

GND

Ring

1

2

3

4

5

6

7

8

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