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ESDA25W
QUAL TRANSIL ARRAY FOR ESD PROTECTION
ESDA25WDUAL TRANSIL ARRAY
FOR ESD PROTECTION
Where transient overvoltage protectionin ESD
sensitive equipmentis required, suchas: Computers Printers Communication systems Wireline and wireless telephone sets. Set top boxes
MAIN APPLICATIONSApplication Specific Discretes
A.S.D.
FUNCTIONAL DIAGRAM2 unidirectional TRANSIL functions. Breakdown voltage: VBR= 25V min. Low leakage current:<1μA. Very low PCB space consuming: 4.2 mm2 typically.
FEATURES
DESCRIPTIONThe ESDA25W is a 2-bit wide monolithic
suppressor designed to protect components
which are connectedto data and transmission
lines against ESD. clamps the voltage just above the logic level
supply for positive transients, andtoa diode drop
below groundfor negative transients.
BENEFITS High ESD protection level:upto25 kV. High integration. Suitablefor high density boards. IEC61000-4-2 level4 MIL STD 883C-Method 3015-6: class3.
(human body model)
COMPLIES WITHTHE FOLLOWINGSTANDARDS:
ESDA25W
ELECTRICAL CHARACTERISTICS (Tamb= 25°C)
Note1: The evolutionof the operating parameters versus temperatureis given trough curves andαT parameter
ABSOLUTE MAXIMUM RATINGS (Tamb= 25°C)
note2:SquarepulseIpp= 15A, tp=2.5μs.
note3:Δ VBR= αT*(Tamb -25°C) *VBR (25°C)
ESDA25W 50 75 100 125 150
IR[Tj] / IR[Tj=25°C]
Fig.5: Relative variationof leakage current versus
junction temperature (typical values).
0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.51E-7
2E-7
5E-7
1E-6
2E-6
5E-6
1E-5
2E-5
5E-5
1E-4
IFM(A)
Fig.6: Peak forward voltage drop versus peak
forward current (typical values). 25 30 35 40 45 50 55 60 65 70 75 80
Ipp(A)
Fig. 3: Clamping voltage versus peak pulse
current(Tj initial=25 °C).
Rectangular waveformtp= 2.5 μs. 10 100
C(pF)
Fig. 4: Capacitance versus reverse applied
voltage (typical values). 25 50 75 100 125 1500.0
Ppp[Tj initial]/Ppp[Tj initial=25°C]
Fig.1: Peak pulse power dissipation versus initial
junction temperature 10 100
Ppp(W)
Fig. 2: Peak pulse power versus exponential
pulse duration(Tj initial=25 °C)
ESDA25W
PACKAGE MECHANICAL DATASOT323-3L
ORDER CODE
ESDA25WInformation furnishedisbelievedtobeaccurateandreliable.However,STMicroelectronics assumesno responsibility fortheconsequencesof
useofsuch informationnorfor anyinfringementofpatentsorother rightsof third parties which mayresultfromits use.No licenseisgrantedby
implicationor otherwise underany patentor patent rightsof STMicroelectronics. Specifications mentionedinthis publicationare subjectto
change without notice. This publication supersedes and replacesall information previously supplied.
STMicroelectronics productsarenot authorizedforuseas critical componentsinlife support devicesor systems without express writtenap-
provalof STMicroelectronics.
TheST logoisa registered trademarkof STMicroelectronics 2001 STMicroelectronics- Printedin Italy-All rights reserved.
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