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BAT54, A, C, S |
SMALL SIGNAL SCHOTTKY DIODE
FEATURES AND BENEFITS
VERY SMALL CONDUCTION LOSSES 
NEGLIGIBLE SWITCHING LOSSES
LOW FORWARD VOLTAGE DROP 
SURFACE MOUNT DEVICE
DESCRIPTION
Schottky barrier diodes encapsulated in a SOT-23 small SMD packages.
Double diodes with different pining are available.
ABSOLUTE RATINGS (limiting values)
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A |
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K |
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Nc |
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A |
K |
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BAT54 |
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A1 |
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K |
K |
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A1 |
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A2 |
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A2 |
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K1 |
A |
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A |
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K1 |
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K2 |
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K2 |
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BAT54A |
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A2 |
A1 |
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K2 |
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A1 |
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K1 |
K2 |
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A2 |
K1 |
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BAT54C |
BAT54S |
SOT-23
Symbol |
Parameter |
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Value |
Unit |
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VRRM |
Repetitive peak reverse voltage |
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30 |
V |
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IF |
Continuous forward current |
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0.3 |
A |
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IFSM |
Surge non repetitive forward current |
tp=10ms sinusoidal |
1 |
A |
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Ptot |
Power dissipation (note 1) |
Tamb = 25°C |
250 |
mW |
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Tstg |
Maximum storage temperature range |
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- 65 to +150 |
°C |
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Tj |
Maximum operating junction temperature * |
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150 |
°C |
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TL |
Maximum temperature for soldering during 10s |
260 |
°C |
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Note 1: for double diodes, Ptot is the total dissipation of both diodes.
* : dPtot |
< |
1 |
thermal runaway condition for a diode on its own heatsink |
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Rth(j−a) |
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dTj |
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June 1999 - Ed: 3A |
1/5 |
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BAT54, A, C, S
THERMAL RESISTANCE
Symbol |
Parameter |
Value |
Unit |
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Rth (j-a) |
Junction to ambient (*) |
500 |
°C/W |
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(*) Mounted on epoxy board with recommended pad layout.
STATIC ELECTRICAL CHARACTERISTICS (per diode)
Symbol |
Parameters |
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Tests conditions |
Min. |
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Typ. |
Max. |
Unit |
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VF * |
Forward voltage drop |
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Tj = 25°C |
IF = 0.1 mA |
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240 |
mV |
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IF = 1 mA |
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320 |
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IF = 10 mA |
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400 |
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IF = 30 mA |
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500 |
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IF = 100 mA |
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900 |
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IR ** |
Reverse leakage current |
Tj = 25°C |
VR = 30 V |
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1 |
μA |
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Tj = 100°C |
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100 |
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Pulse test : |
* tp = 380 μs, δ < 2% |
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** tp = 5 ms, δ < 2% |
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DYNAMIC CHARACTERISTICS (Tj = 25 °C) |
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Symbol |
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Parameters |
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Tests conditions |
Min. |
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Typ. |
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Max. |
Unit |
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C |
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Junction |
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Tj = 25°C |
VR = 1 V F = 1 MHz |
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10 |
pF |
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capacitance |
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trr |
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Reverse recovery |
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IF = 10 mA |
IR = 10 mA Tj = 25°C |
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5 |
ns |
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time |
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Irr = 1 mA |
RL = 100 Ω |
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Fig.1 : Average forward power dissipation versus |
Fig.2 : Average forward current versus ambient |
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average forward current. |
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temperature ( δ |
= 1). |
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PF(av)(W) |
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IF(av)(A) |
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0.35 |
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δ = 0.1 |
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0.35 |
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δ = 0.2 |
δ = 0.5 |
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0.30 |
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0.30 |
δ = 0.05 |
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0.25 |
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0.25 |
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0.20 |
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δ = 1 |
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0.20 |
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0.15 |
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0.15 |
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0.10 |
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T |
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0.10 |
T |
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0.05 |
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IF(av) (A) |
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0.05 |
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Tamb(°C) |
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0.00 |
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δ=tp/T |
tp |
δ=tp/T |
tp |
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0.05 |
0.10 |
0.15 |
0.20 |
0.25 |
0.30 |
0.00 |
25 |
50 |
75 |
100 |
125 |
150 |
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0.00 |
0 |
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2/5 |
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