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BAT54AFILM-BAT54CFILM-BAT54FILM-BAT54SFILM-BAT54S-FILM
SMALL SIGNAL SCHOTTKY DIODE
BAT54, A, C, SJune 1999 - Ed: 3A
SMALL SIGNAL SCHOTTKY DIODE
VERY SMALL CONDUCTION LOSSES
NEGLIGIBLE SWITCHING LOSSES
LOW FORWARD VOLTAGE DROP
SURFACE MOUNT DEVICE
FEATURES AND BENEFITSSchottky barrier diodes encapsulated in a SOT-23
small SMD packages.
Double diodes with different pining are available.
DESCRIPTION
Note 1: for double diodes, Ptot is the total dissipation of both diodes.
ABSOLUTE RATINGS (limiting values)* : dPtot
dTj < 1
Rth(j−a) thermal runaway condition for a diode on its own heatsink
1/5
Pulse test : * tp = 380 μs, δ < 2%
** tp = 5 ms, δ < 2%
STATIC ELECTRICAL CHARACTERISTICS (per diode)
DYNAMIC CHARACTERISTICS (Tj = 25 °C)0.00 0.05 0.10 0.15 0.20 0.25 0.300.00
0.35
PF(av)(W)
Fig.1 : Average forward power dissipation versusaverage forward current. 25 50 75 100 125 1500.00
0.35
IF(av)(A)
Fig.2 : Average forward current versus ambient
temperature ( δ = 1).
(*) Mounted on epoxy board with recommended pad layout.
THERMAL RESISTANCE
BAT54, A, C, S2/5
1E-3 1E-2 1E-1 1E+00.0
1.0
IM(A)
Fig.3 : Non repetitive surge peak forward currentversus overload duration (maximum values). 5 10 15 20 25 301E-2
1E-1
1E+0
1E+1
1E+2
IR(μA)
Fig.5 : Reverse leakage current versus reverse
voltage applied (typical values).
1E-3 1E-2 1E-1 1E+0 1E+1 1E+20.01
Zth(j-a)/Rth(j-a)
Fig.4 : Relative variation of thermal impedance
junction to ambient versus pulse duration (alumine
substrate 10mm x 8mm x 0.5mm). 25 50 75 100 125 1501E-2
1E-1
1E+0
1E+1
1E+2
1E+3
1E+4
IR(μA)
Fig.6 : Reverse leakage current versus junctiontemperature. 5 10 20 301
C(pF)
Fig.7 : Junction capacitance versus reverse
voltage applied (typical values).
0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.01E-4
1E-3
1E-2
1E-1
5E-1
IFM(A)
Fig.8 : Forward voltage drop versus forward
current (typical values).
BAT54, A, C, S3/5
PACKAGE MECHANICAL DATASOT-23
Epoxy meets UL94,V0
BAT54, A, C, S4/5
. consequences of
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implication or otherwise under any patent or patent rights of STMicroelectronics. Specifications mentioned in this publication are subject to
change without notice. This publication supersedes and replaces all information previously supplied.
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FOOTPRINT DIMENSIONSCOMPATIBLE SOT-23 / SC-59
(in millimeters and inches)
OPTIMIZED SOT-23 FOOTPRINT DIMENSIONS(in millimeters and inches)
BAT54, A, C, S5/5
:
www.ic-phoenix.com
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