ETC BAT54CWFILM

BAT54J / W / AW / CW / SW
®
SMALL SIGNAL SCHOTTKY DIODE
FEATURES AND BENEFITS
K2
NC
VERY SMALL CONDUCTION LOSSES
NEGLIGIBLE SWITCHING LOSSES
LOW FORWARD VOLTAGE DROP
SURFACE MOUNT DEVICE
K
K
A
A
K2
NC
K1
A
A
K1
BAT54W
BAT54AW
A2
DESCRIPTION
Schottky barrier diodes encapsulated either in
SOT-323 or SOD-323 small SMD packages.
Single and double diodes with different pining are
available.
K2
A2
K1
K
A2
K
A2
K1
K2
A1
A1
A1
A1
BAT54SW
BAT54CW
SOT-323
A
86
K
BAT54J
SOD-323
ABSOLUTE RATINGS (limiting values)
Symbol
VRRM
IF
Parameter
Value
Unit
Repetitive peak reverse voltage
30
V
Continuous forward current
0.3
A
1
A
230
mW
- 65 to +150
°C
IFSM
Surge non repetitive forward current
tp=10ms sinusoidal
Ptot
Power dissipation (note 1)
Tamb = 25°C
SOD-323
Tstg
SOT-323
Maximum storage temperature range
Tj
Maximum operating junction temperature *
150
°C
TL
Maximum temperature for soldering during 10s
260
°C
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
Rth(j−a)
dTj
June 1999 - Ed: 2A
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BAT54J / W / AW / CW / SW
THERMAL RESISTANCE
Symbol
Rth (j-a)
Parameters
Junction to ambient (*)
SOD-323
Value
Unit
550
°C/W
°C/W
SOT-323
(*) Mounted on epoxy board, with recommended pad layout.
STATIC ELECTRICAL CHARACTERISTICS (per diode)
Symbol
VF *
Parameters
Tests conditions
Forward voltage drop
IR **
Tj = 25°C
Reverse leakage current
Tj = 25°C
Min.
Typ.
Max.
Unit
IF = 0.1 mA
240
mV
IF = 1 mA
320
IF = 10 mA
400
IF = 30 mA
500
IF = 100 mA
900
VR = 30 V
1
Tj = 100°C
Pulse test :
µA
100
* tp = 380 µs, δ < 2%
** tp = 5 ms, δ < 2%
DYNAMIC CHARACTERISTICS (Tj = 25 °C)
Symbol
Parameters
C
Junction
capacitance
trr
Reverse recovery
time
Tests conditions
Tj = 25°C
VR = 1 V
Typ.
F = 1 MHz
IF = 10 mA IR = 10 mA Tj = 25°C
Irr = 1 mA RL = 100 Ω
Fig. 1-1: Forward voltage drop versus forward
current (typical values, low level).
2.00E-2
1.80E-2
Tj=100°C
1.60E-2
1.40E-2
Tj=25°C
1.20E-2
Tj=50°C
1.00E-2
8.00E-3
6.00E-3
4.00E-3
2.00E-3
VFM(V)
0.00E+0
0.00 0.05 0.10 0.15 0.20 0.25 0.30 0.35 0.40 0.45 0.50
Max.
Unit
10
pF
5
ns
Fig. 1-2: Forward voltage drop versus forward
current (typical values, high level).
IFM(A)
IFM(A)
2/5
Min.
5E-1
Tj=100°C
1E-1
Tj=50°C
1E-2
Tj=25°C
VFM(V)
1E-3
0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1
BAT54J / W / AW / CW / SW
Fig. 2: Reverse leakage current versus reverse
voltage applied (typical values).
Fig. 3: Reverse leakage current versus junction
temperature.
IR(µA)
IR(µA)
1E+4
1E+2
Tj=100°C
VR=30V
1E+3
1E+1
1E+2
1E+0
1E+1
Tj=50°C
1E+0
1E-1
Tj=25°C
1E-1
1E-2
VR(V)
0
5
10
1E-2
15
20
25
30
Fig. 4: Junction capacitance versus reverse
voltage applied (typical values).
Tj(°C)
0
25
50
75
100
125
150
Fig. 5: Relative variation of thermal impedance
junction to ambient versus pulse duration (epoxy
FR4 with recommended pad layout, e(Cu)=35µm)
C(pF)
Zth(j-a)/Rth(j-a)
10
1.00
F=1MHz
Tj=25°C
δ = 0.5
5
δ = 0.2
0.10
δ = 0.1
T
2
Single pulse
1
1
2
δ=tp/T
tp(s)
VR(V)
5
10
20
30
0.01
1E-3
1E-2
1E-1
1E+0
1E+1
tp
1E+2
Fig. 6: Thermal resistance junction to ambient
versus copper surface under each lead (Epoxy
printed circuit board FR4, copper thickness: 35µm.)
Rth(j-a) (°C/W)
600
P=0.2W
550
500
450
400
350
S(Cu) (mm²)
300
0
5
10
15
20
25
30
35
40
45
50
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BAT54J / W / AW / CW / SW
PACKAGE MECHANICAL DATA
SOT-323
DIMENSIONS
REF.
A
A1
D
b
L
Millimeters
Min.
Typ. Max. Min.
A
0.8
1.1
0.031
0.043
A1
0.0
0.1
0.0
0.004
b
0.25
0.4
0.010
0.016
c
0.1
0.26 0.004
0.010
D
1.8
2.0
2.2
E
1.15
1.25
1.35 0.045 0.049 0.053
e
H
E
θ
c
4/5
e
Inches
Typ. Max.
0.071 0.079 0.086
0.65
0.026
H
1.8
2.1
2.4
0.071 0.083 0.094
L
0.1
0.2
0.3
0.004 0.008 0.012
θ
0
30°
0
30°
BAT54J / W / AW / CW / SW
PACKAGE MECHANICAL DATA
SOD-323
H
DIMENSIONS
A1
REF.
b
Millimeters
Min.
E
A
A
D
c
Q1
L
Max.
Inches
Min.
1.17
Max.
0.046
A1
0
0.1
0
0.004
b
0.25
0.44
0.01
0.017
c
0.1
0.25
0.004
0.01
D
1.52
1.8
0.06
0.071
E
1.11
1.45
0.044
0.057
H
2.3
2.7
0.09
0.106
L
0.1
0.46
0.004
0.02
Q1
0.1
0.41
0.004
0.016
Ordering type
Marking
Package
Weight
Base qty
Delivery mode
BAT54W
D73
SOT-323
0.006g
3000
Tape & reel
BAT54AW
D74
SOT-323
0.006g
3000
Tape & reel
BAT54CW
D77
SOT-323
0.006g
3000
Tape & reel
BAT54SW
D78
SOT-323
0.006g
3000
Tape & reel
BAT54J
86
SOD-323
0.005g
3000
Tape & reel
Epoxy meets UL94,V0
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use of such information nor for any infringement of patents or other rights of third parties which may result from its use. No license is granted by
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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© 1999 STMicroelectronics - Printed in Italy - All rights reserved.
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