Features
■ Very low conduction losses
■ Negligible switching losses
■ Low forward and reverse recovery times
■ Extremely fast switching
■ Surface mount device
■ Low capacitance diode
Description
BAT30
Small signal Schottky diodes
BAT30JFILM
(Single)
SOD-323
BAT30KFILM
(Single)
SOD-523
BAT30LFILM
(Single)
SOD-923
The BAT30 series uses 30 V Schottky barrier
diodes encapsulated in a wide range of packages
such as SOD-323, SOD-523, SOD-923, SOT-23,
SOT-323, or SOT-666. This device is specially
suited for switching mode applications needing
low forward voltage drop diodes.
Table 1. Device summary
Symbol Value
I
V
F
RRM
C(typ) 14 pF
(max) 150 °C
T
j
300 mA
30 V
SOT-23
SOT-323
SOT-666
BAT30FILM
(Single)
BAT30AFILM
(Common anode)
BAT30SFILM
(Series)
BAT30CFILM
(Common cathode)
BAT30WFILM
(Single)
BAT30CWFILM
(Common cathode)
BAT30AWFILM
(Common anode)
BAT30SWFILM
(Series)
BAT30-07P6FILM
(2 parallel diodes)
BAT30-09P6FILM
(2 opposite diodes)
Configurations in top view
October 2009 Doc ID 12564 Rev 3 1/14
www.st.com
14
Characteristics BAT30
1 Characteristics
Table 2. Absolute ratings (limiting values at Tj = 25° C, unless otherwise specified)
Symbol Parameter Value Unit
V
I
T
Repetitive peak reverse voltage 30 V
RRM
I
Continuous forward current 300 mA
F
Surge non repetitive forward current tp = 10 ms Sinusoidal 1 A
FSM
Storage temperature range -65 to +150 °C
stg
T
Maximum operating junction temperature
j
Maximum soldering temperature 260 °C
T
L
(1)
150 °C
1. Pulse test: tp = 5 ms, δ < 2 %
Table 3. Thermal parameters
Symbol Parameter Value Unit
SOT-23 500
R
Junction to ambient
th(j-a)
(1)
SOT-323, SOD-323, 550
°C/W
SOD-523, SOT-666 600
SOD-923 900
1. On epoxy printed circuit board with recommended pad layout
Table 4. Static electrical characteristics
Symbol Parameter Test conditions Min. Typ. Max. Unit
= 5 V - - 0.5
V
R
= 10 V - - 1
V
T
= 25 °C
j
(1)
I
V
Reverse leakage current
R
(2)
Forward voltage drop Tj = 25° C
F
= 70 °C
T
j
T
= 85 °C - 18 50
j
1. Pulse test: tp = 5 ms, δ < 2 %
2. Pulse test: tp = 380 µs, δ < 2 %
R
= 25 V - 0.65 3
V
R
V
= 30 V - - 5
R
-720
= 10 V
V
R
I
= 0.1 mA - - 240
F
= 1 mA - - 300
I
F
= 10 mA - - 375
I
F
I
= 30 mA - - 430
F
= 100 mA - - 500
I
F
= 200 mA - - 580
I
F
I
= 300 mA - 530 -
F
µA
mV
2/14 Doc ID 12564 Rev 3
BAT30 Characteristics
Table 5. Dynamic characteristics
Symbol Parameter
C Diode capacitance
Test conditions
V
= 0 V, F = 1 MHz - 22 -
R
= 1 V, F = 1 MHz - 14 -
R
= 10 V, F = 1 MHz - 6 -
V
R
Figure 1. Power dissipation versus average
forward current
P (W)
0.175
δ=0.1
0.150
0.125
0.100
0.075
0.050
0.025
0.000
0.00 0.05 0.10 0.15 0.20 0.25 0.30 0.35
δ=0.05
δ=0.2
I (A)
F(AV)
δ=0.5
δ
=tp/T
δ=1
T
tp
Figure 3. Relative variation of thermal
impedance junction to ambient
versus pulse duration
Min. Typ Max. Unit
Figure 2. Average forward current versus
ambient temperature (δ = 1)
I (A)
F(AV)
0.35
0.30
0.25
0.20
0.15
0.10
0.05
0.00
0 25 50 75 100 125 150
δ
=tp/T
T
T (° C)
tp
amb
Figure 4. Relative variation of thermal
impedance junction to ambient
versus pulse duration
pFV
Z
th(j-a)/Rth(j-a)
1.E+00
Single pulse
SOT-23
1.E-01
Alumine substrate
10 x 8 x 0.5 mm
1.E-02
1.E-03 1.E-02 1.E-01 1.E+00 1.E+01 1.E+02
tP(s)
Z
th(j-a)/Rth(j-a)
1.E+00
1.E-01
1.E-02
1.E-03
Single pulse
SOT-323/SOD-323
1.E-03 1.E-02 1.E-01 1.E+00 1.E+01 1.E+02 1.E+03
Epoxy printed board FR4
Copper surface = 2.25 mm
Coppr thickness = 35 µm
(s)t
P
2
Doc ID 12564 Rev 3 3/14
Characteristics BAT30
/
3
/
0.00.20.40.60.81.0
0
Figure 5. Relative variation of thermal
impedance junction to ambient
versus pulse duration
Z
R
th(j-a)
1.E+00
1.E-01
1.E-02
th(j-a)
Single pulse
SOT-666
1.E-03 1.E-02 1.E-01 1.E+00 1.E+01
(s)t
P
Epoxy printed board FR4
Coppr thickness = 35 µm
Figure 7. Relative variation of thermal
impedance junction to ambient
versus pulse duration
Z
R
th(j-a)
1.E+00
1.E-01
1.E-02
1.E-03
th(j-a)
Single pulse
SOD-523
1.E-03 1.E-02 1.E-01 1.E+00 1.E+01
(s)t
P
Epoxy printed board FR4
Coppr thickness = 35 µm
Figure 6. Relative variation of thermal
impedance junction to ambient
versus pulse duration
Z
th(j-a)/Rth(j-a)
1.E+00
Single pulse
SOD-923
1.E-01
(s)t
P
1.E-02
1.E-03 1.E-02 1.E-01 1.E+00 1.E+01 1.E+02 1.E+0
Figure 8. Thermal resistance junction to
ambient versus copper surface
under each lead (SOD-923)
R
(°C/W)
th(j-a)
900
800
700
600
500
400
300
200
100
0
Epoxy printed board FR4
Copper thichness = 35 µm
SCU(cm²)
1.2 1.4 1.61.82.
Figure 9. Thermal resistance junction to
ambient versus copper surface
Figure 10. Leakage current versus reverse
applied voltage (typical values)
under each lead (SOD-323)
R
(°C/W)
th(j-a)
600
500
400
300
200
0 5 10 15 20 25 30 35 40 45 50
SCU(mm²)
Epoxy printed board FR4
Copper thichness = 35 µm
4/14 Doc ID 12564 Rev 3
IR(µA)
1.E+04
1.E+03
1.E+02
1.E+01
1.E+00
1.E-01
1.E-02
0 5 10 15 20 25 30
Tj=150°C
Tj=125°C
Tj=85°C
Tj=25°C
VR(V)
BAT30 Characteristics
Figure 11. Relative variation of reverse
leakage current versus junction
temperature (typical values)
IR[Tj]/IR[Tj=25°C]
1.E+04
1.E+03
1.E+02
1.E+01
1.E+00
1.E-01
1.E-02
VR=30 V
Tj(°C)
-40 -20 0 20 40 60 80 100 120 140 160
Figure 13. Forward voltage drop versus
forward current (typical values)
IFM(A)
1.E+01
1.E+00
1.E-01
1.E-02
1.E-03
1.E-04
Tj=150 °CTj=150 °C
Tj=85 °CTj=85 °C
Tj=-40 °CTj=-40 °C
VFM(V)
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
Figure 12. Junction capacitance versus
reverse applied voltage
(typical values)
C(pF)
100
10
1
1 10 100
V
OSC
F=1 MHz
=30 mV
Tj=25 °C
VR(V)
Figure 14. Forward voltage drop versus
forward current (typical values)
IFM(A)
1.E+01
1.E+00
1.E-01
Tj=125 °C
1.E-02
1.E-03
1.E-04
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
Tj=25 °C
VFM(V)
RMS
Doc ID 12564 Rev 3 5/14
Ordering information scheme BAT30
2 Ordering information scheme
Figure 15. Ordering information scheme
BAT30 xx xx FILM
Signal Schottky diodes
V
= 30 V
RRM
Configuration
Blank = Single diode
A = Common anode
C = Common cathode
S = Series diodes
07 = Parallel diodes
09 = Opposite diodes
Package
Blank = SOT-23
J = SOD-323
K = SOD-523
L = SOD-923
P6 = SOT-666
W = SOT-323
Packing
FILM = Tape and reel
6/14 Doc ID 12564 Rev 3
BAT30 Package information
3 Package information
● Epoxy meets UL94, V0
● Lead-free packages
In order to meet environmental requirements, ST offers these devices in different grades of
ECOPACK
specifications, grade definitions and product status are available at: www.st.com
ECOPACK
Table 6. SOD-323 dimensions
®
packages, depending on their level of environmental compliance. ECOPACK®
®
is an ST trademark.
.
Dimensions
Ref.
H
b
E
A1
A - 1.17 - 0.046
Millimeters Inches
Min. Max. Min. Max.
A1 0 0.1 0 0.004
D
A
b 0.25 0.44 0.01 0.017
c 0.1 0.25 0.004 0.01
c
Q1
D 1.52 1.8 0.06 0.071
E 1.11 1.45 0.044 0.057
L
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
Figure 16. SOD-323 footprint (dimensions in mm)
3.20
0.30
1.081.06 1.06
Doc ID 12564 Rev 3 7/14
Package information BAT30
Table 7. SOD-523 dimensions
Dimensions
Ref.
Min. Typ. Max. Min. Typ. Max.
A 0.50 0.60 0.70 0.020 0.024 0.028
E 1.50 1.60 1.70 0.059 0.063 0.067
E1 1.10 1.20 1.30 0.043 0.047 0.051
D 0.70 0.80 0.90 0.028 0.031 0.035
SEATING PLANE
0.15
M
E
E1
2xb
0.20CCAABB
M
A
C
B
D
A
R0.1
c
L
8°
7°
b 0.25 - 0.35 0.010 - 0.014
c 0.07 - 0.20 0.003 - 0.008
L1
L 0.15 0.20 0.25 0.006 0.008 0.010
L1 0.05 - 0.20 0.002 - 0.008
Figure 17. SOD-523 footprint (dimensions in mm)
0.7
0.3
Millimeters Inches
2
8/14 Doc ID 12564 Rev 3
BAT30 Package information
Table 8. SOD-923 dimensions
Dimensions
L
Ref.
Millimeters Inches
Min. Typ. Max. Min. Typ. Max.
C
A
b 0.25 0.30 0.35 0.010 0.012 0.014
c 0.08 0.145 0.21 0.003 0.006 0.008
D 0.55 0.60 0.65 0.022 0.024 0.026
A 0.40 0.016
bD
E 0.95 1.00 1.05 0.037 0.039 0.041
E1
E
E1 0.75 0.825 0.90 0.030 0.032 0.035
L - - 0.20 - - 0.008
Figure 18. SOD-923 footprint (dimensions in mm)
0.37
0.34
0.58
1.32
Doc ID 12564 Rev 3 9/14
Package information BAT30
Table 9. SOT-23 dimensions
Dimensions
Ref.
A
E
A 0.89 1.4 0.035 0.055
e
B
e1
A1 0 0.1 0 0.004
B 0.3 0.51 0.012 0.02
D
c 0.085 0.18 0.003 0.007
S
A1
D 2.75 3.04 0.108 0.12
e 0.85 1.05 0.033 0.041
e1 1.7 2.1 0.067 0.083
c
L
H
E 1.2 1.6 0.047 0.063
H 2.1 2.75 0.083 0.108
L 0.6 typ. 0.024 typ.
S 0.35 0.65 0.014 0.026
Figure 19. SOT-23 footprint (dimensions in mm)
0.95 0.61
Millimeters Inches
Min. Max. Min. Max.
1.26
0.73
3.25
10/14 Doc ID 12564 Rev 3
BAT30 Package information
Table 10. SOT-323 dimensions
Dimensions
A
E
Ref.
Min. Typ. Max. Min. Typ. Max.
A 0.8 - 1.1 0.031 - 0.043
e
b
A1 0.0 - 0.1 0.0 - 0.004
D
b 0.25 - 0.4 0.010 - 0.016
c 0.1 - 0.26 0.004 - 0.010
A1
D 1.8 2.0 2.2 0.071 0.079 0.086
E 1.15 1.25 1.35 0.045 0.049 0.053
e - 0.65 - - 0.026 -
c
θ
L
H
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
q 0 - 30° 0 - 30°
Figure 20. SOT-323 footprint (dimensions in mm)
0.95
Millimeters Inches
1.0
2.9
0.500.8
Doc ID 12564 Rev 3 11/14
Package information BAT30
Table 11. SOT-666 dimensions
Dimensions
b1
L1
L3
Ref.
A 0.45 - 0.60 0.018 - 0.024
A3 0.08 - 0.18 0.003 - 0.007
b
b 0.17 - 0.34 0.007 - 0.013
D
A
E1
b1 0.19 0.27 0.34 0.007 0.011 0.013
D 1.50 - 1.70 0.059 - 0.067
L2
E
A3
E 1.50 - 1.70 0.059 - 0.067
E1 1.10 - 1.30 0.043 - 0.051
e - 0.50
L1 - 0.19 - - 0.007 -
L2 0.10 0.30 0.004 0.012
e
L3 - 0.10 - - 0.004 -
Figure 21. SOT-666 footprint (dimensions in mm)
0.50
Millimeters Inches
Min. Typ. Max. Min. Typ. Max.
-
-0.020
-
0.62
2.60
0.99
0.30
12/14 Doc ID 12564 Rev 3
BAT30 Ordering information
4 Ordering information
Table 12. Ordering information
Order code Marking Package Weight Base qty Packing mode
BAT30-07P6FILM P3 SOT-666 Parallel 2.9 mg 5000 Tape and reel
BAT30-09P6FILM Q3 SOT-666 Opposite 2.9 mg 5000 Tape and reel
BAT30AFILM A30
SOT-23
Common anode
10 mg 3000 Tape and reel
BAT30AWFILM A30
BAT30CFILM C30
BAT30CWFILM C30
BAT30FILM B30 SOT-23 Single 10 mg 3000 Tape and reel
BAT30JFILM 30 SOD-323 Single 5 mg 3000 Tape and reel
BAT30KFILM 30 SOD-523 Single 1.4 mg 3000 Tape and reel
BAT30LFILM 31 SOD-923 Single 0.56 mg 10000 Tape and reel
BAT30SFILM S30 SOT-23 Serial 10 mg 3000 Tape and reel
BAT30SWFILM S30 SOT-323 Serial 6 mg 3000 Tape and reel
BAT30WFILM B30 SOT-323 Single 6 mg 3000 Tape and reel
5 Revision history
Table 13. Document revision history
SOT-323
Common anode
SOT-23
Common cathode
SOT-323
Common cathode
6 mg 3000 Tape and reel
10 mg 3000 Tape and reel
6 mg 3000 Tape and reel
Date Revision Changes
24-Jul-2006 1 First issue
08-Jul-2009 2
Added SOD-923 package. Table 12 sorted on alphabetic sequence
of order code. Updated ECOPACK statement.
13-Oct-2009 3 Updated Table 7 quote “L1” from 0.10 to 0.05.
Doc ID 12564 Rev 3 13/14
BAT30
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14/14 Doc ID 12564 Rev 3
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