TPN3021(1998) 查看數據表（PDF） - STMicroelectronics

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TPN3021
(Rev.:1998)

Tripolar Overvoltage Protection For Network Interfaces

STMicroelectronics 

APPLICATION CIRCUIT : T1/E1 Interface Protection

TPN3021

+5V

R11

R21

+5V

R12

+5V

R22

TPN3021

R13

R23

+5V

R14

TPN3021 R24

Fig. 1 : Surge peak current versus overload

duration.

ITSM(A)

8

7

6

5

4

3

2

1

0

1E-2

1E-1

t(s)

1E+0

1E+1

F=50Hz

Tj initial=25°C

1E+2

1E+3

DA108S1

3/4

®

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