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TPN3021RL
TRIPOLAR OVERVOLTAGE PROTECTION FOR NETWORK INTERFACES
TPN3021TRIPOLAR OVERVOLTAGE PROTECTION
FOR NETWORK INTERFACES Triple crowbar protection Low capacitance Low holding current:IH= 30mA minimum Surge current:IPP= 200A, 2/10μs
IPP= 30A, 10/1000μs
FEATURESThe TPN3021isa low capacitance transient
surge arrestor designedfor protectionof high
debit rate communication network.Its lowca-
pacitance avoids distorsionofthe signalasit
has been designedfor T1/E1 and Ethernet net-
works.
DESCRIPTIONTrisil technologyisnot subjectto ageing and pro-
videsafail safe modein short circuitfora better
protection. They are usedto help equipmentto
meet main standards suchas UL1950, IEC950/
CSA C22.2 and UL1459. They have UL94V0ap-
proved resin. SO8 packageis JEDEC registered.
Trisils comply with the following standards
GR-1089 Core, ITU-T-K20/K21, VDE0433,
VDE0878, IEC61000-4-2.
BENEFITS
SCHEMATIC DIAGRAMApplication Specific Discretes
A.S.D.™
TM:ASDisa trademarkof STMicroelectronics.
Dedicatedto dataline protection, this device pro-
videsa tripolar protection function.It ensuresthe
same protection capability withthe same break-
down voltagein both common and differential
modes.
MAIN APPLICATIONS
TPN3021
IN COMPLIANCES WITH THE FOLLOWING STANDARDS
ELECTRICAL CHARACTERISTICS (Tamb=25°C)
TPN3021
ELECTRICAL PARAMETERS (Tamb = 25°C)
Note1:Seetest circuit1
Note2:See functional holding currenttest circuit2
Note3:VR=0Vbias, VRMS=1V,F= 1MHz
ABSOLUTE RATINGS (Tamb =25°C)
THERMAL RESISTANCEStr: rise time (μs)
tp: pulse duration time (μs)
ex: pulse waveform
10/1000μstr=10μs tp= 1000μs
Repetitive peak pulse current 100PP tr p t
TPN3021
TEST CIRCUIT 1 FOR IBO AND VBO PARAMETERS
TEST CIRCUIT 2 FOR IH PARAMETER
TPN3021
ORDER CODE1E-2 1E-1 1E+0 1E+1 1E+2 1E+30
ITSM(A)
Fig.1: Non repetitive surge peak on-state current
versus overload duration(Tj initial= 25°C) 5 10 15 20 25 300
C(pF)
Fig.2: Variationof junction capacitance versusre-
verse voltage applied (typical values).
-40 -20 0 20 40 60 80 100 1200.0
IH[Tj] / IH[Tj=25°C]
Fig.3: Relative variationof holding current versus
junction temperature.
TPN3021Information furnishedisbelievedtobeaccurateandreliable.However,STMicroelectronics assumesnoresponsibility fortheconsequencesof
useofsuch informationnorfor anyinfringementofpatentsorother rightsofthird parties which mayresultfromits use.No licenseisgrantedby
implicationor otherwise underany patentor patent rightsof STMicroelectronics. Specifications mentionedinthis publicationare subjectto
change without notice.This publication supersedesand replacesall information previously supplied.
STMicroelectronics productsarenot authorizedforuseas critical componentsinlife support devicesor systems without express written
approval ofSTMicroelectronics.
TheSTlogoisa registered trademarkof STMicroelectronics 2001 STMicroelectronics- PrintedinItaly-All rights reserved.
STMicroelectronics GROUPOF COMPANIES
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PACKAGE MECHANICAL DATASO-8 (Plastic)
