BAT54SFILMY

November 2011 Doc ID 17696 Rev 1 1/9
9
BAT54-Y
Automotive small signal Schottky diodes
Features
Low conduction and reverse losses
Negligible switching losses
Low forward and reverse recovery times
Extremely fast switching
Surface mount device
Low capacitance diode
ECOPACK
®
2 compliant component
AEC-Q101 qualified
Description
The BAT54 series uses 40 V Schottky barrier
diodes packaged in SOT-23, SOT-323. These
devices are suitable for automotive application.
Table 1. Device summary
Symbol Value
I
F
300 mA
V
RRM
40 V
C
(typ) 7 pF
T
j
(max) 150 °C
BAT54WFILMY
(Single)
BAT54CWFILMY
(Common cathode)
BAT54AWFILMY
(Common anode)
SOT-323
Configurations in top view
SOT-23
BAT54FILMY
(Single)
BAT54SFILMY
(Series)
www.st.com
Characteristics BAT54-Y
2/9 Doc ID 17696 Rev 1
1 Characteristics
Table 2. Absolute ratings (limiting values at T
j
= 25 °C, unless otherwise specified)
Symbol Parameter Value Unit
V
RRM
Repetitive peak reverse voltage 40 V
I
F
Continuous forward current 300 mA
I
FSM
Surge non repetitive forward current t
p
= 10 ms sinusoidal 1 A
T
stg
Storage temperature range -65 to +150 °C
T
j
Operating junction temperature range -40 to +150 °C
T
L
Maximum soldering temperature 260 °C
Table 3. Thermal parameters
Symbol Parameter Value Unit
R
th(j-a)
Junction to ambient
(1)
1. Epoxy printed circuit board with recommended pad layout
SOT-23 500 °C/W
SOT-323 550 °C/W
Table 4. Static electrical characteristics
Symbol Parameter Test conditions Min. Typ. Max. Unit
I
R
(1)
1. Pulse test: t
p
= 5 ms, δ < 2 %
Reverse leakage
current
T
j
= 25 °C
V
R
= 30 V
1
µA
T
j
= 100 °C 100
V
F
(2)
2. Pulse test: t
p
= 380 µs, δ < 2 %
Forward voltage drop T
j
= 25 °C
I
F
= 0.1 mA 240
mV
I
F
= 1 mA 320
I
F
= 10 mA 400
I
F
= 30 mA 500
I
F
= 100 mA 900
Table 5. Dynamic characteristics
Symbol Parameter
Test conditions
Min. Typ. Max. Unit
C
Diode
capacitance
V
R
= 1 V, F = 1 MHz 7 10 pF
t
rr
Reverse
recovery time
I
F
= 10 mA, I
R
= 10 mA, T
j
= 25 °C
I
rr
= 1 mA, R
L
= 100 Ω
5ns
BAT54-Y Characteristics
Doc ID 17696 Rev 1 3/9
Figure 1. Average forward power dissipation
versus average forward current
Figure 2. Average forward current versus
ambient temperature (δ = 1)
0.00
0.05
0.10
0.15
0.20
0.25
0.30
0.35
0.00 0.05 0.10 0.15 0.20 0.25 0.30 0.35
P(W)
δ=0.05
δ=0.2
δ=0.1
δ=0.5
δ=1
T
δ
=tp/T
tp
I
F(AV)
(A)
0.00
0.05
0.10
0.15
0.20
0.25
0.30
0.35
0 25 50 75 100 125 150
I
F(AV)
(A)
T
δ
=tp/T
tp
T
amb
(°C)
Figure 3. Reverse leakage current versus
reverse applied voltage
(typical values)
Figure 4. Reverse leakage current versus
junction temperature
1.E-02
1.E-01
1.E+00
1.E+01
1.E+02
0 5 10 15 20 25 30
I
R
(µA)
T
j
=100°C
T
j
=25°C
T
j
=50°C
V
R
(V)
1.E-01
1.E+00
1.E+01
1.E+02
1.E+03
1.E+04
0 25 50 75 100 125 150
I
R
[T
j
]/I
R
[T
j
=25°C]
V
R
=3V
T
j
(°C)
Figure 5. Junction capacitance versus
reverse applied voltage
(typical values)
Figure 6. Forward voltage drop versus
forward current (typical values)
1
10
1 10 100
C(pF)
F=1MHz
V
OSC
=30mV
RMS
T
j
=25°C
V
R
(V)
1.E-04
1.E-03
1.E-02
1.E-01
1.E+00
0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1 1.2 1.3
I
FM
(A)
T
j
=50°CT
j
=50°C
T
j
=25°CT
j
=25°C
T
j
=-40 °CT
j
=-40 °C
T
j
=100°CT
j
=100°C
V
FM
(V)

BAT54SFILMY

Mfr. #:
Manufacturer:
STMicroelectronics
Description:
Schottky Diodes & Rectifiers 40V Automotive SS 300mA 7pF AEC-Q101
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
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