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TPP25011 Datasheet(PDF) 1 Page - STMicroelectronics

No. de Pieza. TPP25011
Descripción  OVERVOLTAGE and OVERCURRENT PROTECTION for TELECOM LINE
Descarga  7 Pages
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Fabricante  STMICROELECTRONICS [STMicroelectronics]
Página de inicio  http://www.st.com
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TPP25011 Datasheet(HTML) 1 Page - STMicroelectronics

   
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TPP25011
UNIDIRECTIONAL FUNCTION
PROGRAMMABLE BREAKDOWN VOLTAGE
UP TO 250 V
PROGRAMMABLE CURRENT LIMITATION
FROM 40 mA TO 500 mA
SURGE CURRENT CAPABILITY
IPP = 30A 10/1000
µs
FEATURES
SO8
Dedicated
to
sensitive
telecom
equipment
protection, this device can provide both voltage
and current triggered protection with a very tight
tolerance.
The breakdown voltage can be easily programmed
by using an external zener diode.
A multiple protection mode can be also performed
when using several zener diodes, providing to
each line interface an optimized protection level.
The current limiting function is achieved with the
use of a resistorbetween the gate and the cathode.
The value of the resistor will determine the level of
the desired current.
DESCRIPTION
SCHEMATIC DIAGRAM
OVERVOLTAGE and OVERCURRENT
PROTECTION for TELECOM LINE
February 1998 - Ed: 4
Application Specific Discretes
A.S.D.
TM: ASD is trademarks of SGS-THOMSON Microelectronics.
CCITT K17 :
10/700
µs
1.5 kV
5/310
µs38 A
VDE 0433 :
10/700
µs2k V
5/310
µs
40 A (*)
CNET :
0.5/700
µs
1.5 kV
0.2/310
µs38 A
FCC part 68 :
2/10
µs
2.5 kV
2/10
µs
75 A (*)
BELLCORE
TR-NWT-000974 :
10/1000
µs1 kV
10/1000
µs
30 A (*)
(*) with series resistors or PTC.
COMPLIESWITH THE FOLLOWINGSTANDARDS :
1/7


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