62'
62'
62'
627
%$7=),/0
6LQJOH
%$7-),/0
6LQJOH
%$7.),/0
6LQJOH
%$7),/0
6LQJOH
%$7$),/0
&RPPRQDQRGH
%$76),/0
6HULHV
%$7&),/0
&RPPRQFDWKRGH
627
%$7:),/0
6LQJOH
%$7&:),/0
&RPPRQFDWKRGH
%$7$:),/0
&RPPRQDQRGH
%$76:),/0
6HULHV
&RQILJXUDWLRQVLQWRSYLHZ
BAT54
Small signal Schottky diodes
Datasheet
production data
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
Description
The BAT54 series uses 40 V Schottky barrier diodes packaged in SO123, SOD323, SOD523,
SOT-23, or SOT-323.
Table 1. Device summary
Symbol Value
I
F
V
RRM
C (typ)
T j
(max)
300 mA
40 V
7 pF
150 °C
June 2016
This is information on a product in full production.
DocID5505 Rev 12 1/15 www.st.com
Characteristics
1 Characteristics
BAT54
Table 2. Absolute ratings (limiting values at T j
= 25 °C, unless otherwise specified)
Symbol Parameter Value Unit
V
RRM
I
F
I
FSM
T stg
T j
T
L
Repetitive peak reverse voltage
Continuous forward current
Surge non repetitive forward current t p
= 10 ms Sinusoidal
Storage temperature range
Operating junction temperature range
Maximum soldering temperature
40
300
1.25
-65 to +150
-40 to +150
260
°C
°C
°C
V mA
A
Symbol
R th(j-a)
Junction to ambient
(1)
Table 3. Thermal parameters
Parameter
SOT-23, SOD-123
SOT-323, SOD323
SOD-523
1.
Epoxy printed circuit board with recommended pad layout
Value
500
550
600
Unit
°C/W
Symbol
I
R
(1)
V
F
(2)
Table 4. Static electrical characteristics
Parameter Test conditions Min.
Typ.
Max.
Unit
Reverse leakage current
Forward voltage drop
T j
= 25 °C
T j
= 100 °C
V
R
= 30 V
I
F
= 0.1 mA
I
F
= 1 mA
T j
= 25 °C I
F
= 10 mA
I
F
= 30 mA
I
F
= 100 mA
1
100
240
320
400
500
900
µA mV
1.
Pulse test: t p
= 5 ms,
< 2%
2.
Pulse test: t p
= 380 µs,
< 2%
Parameter
Table 5. Dynamic characteristics
Test conditions
Symbol
C Diode capacitance t rr
Reverse recovery time
V
R
= 1 V, F = 1 MHz
I
I
F rr
= 10 mA, I
R
= 1 mA, R
L
= 10 mA, T j
= 25 °C
= 100
Min.
Typ. Max.
Unit
7 10 pF
5 ns
2/15 DocID5505 Rev 12
BAT54 Characteristics
Figure 1. Average forward power dissipation versus average forward current
0.35
P(W)
0.30
0.25
0.20
0.15
0.10
0.05
0.00
0.00
0.05
δ =0.05
δ =0.2
δ
=0.1
0.10
I
F(AV)
(A)
0.15
0.20
δ =0.5
0.25
δ =tp/T
δ =1
T
0.30
tp
0.35
Figure 3. Reverse leakage current versus reverse applied voltage (typical values)
1.E+02
I
R
(µA)
T j
=100°C
1.E+01
Figure 2. Average forward current versus ambient temperature (
= 1)
0.35
I
F(AV)
(A)
0.30
0.25
0.20
0.15
0.10
0.05
0.00
0
δ =tp/T
25
T tp
50 75
T amb
(°C)
100 125 150
1.E+00
1.E-01
1.E-02
0 5
T j
=50°C
10
T j
=25°C
15
V
R
(V)
20 25 30
Figure 4. Reverse leakage current versus junction temperature
1.E+04
I
R
[T j
] / I
R
[T j
=25°C]
V
R
=3V
1.E+03
1.E+02
1.E+01
1.E+00
1.E-01
0 25 50 75
T j
(°C)
100 125 150
Figure 5. Junction capacitance versus reverse applied voltage (typical values)
10
C(pF)
F=1MHz
V
OSC
T j
=30mV
RMS
=25°C
Figure 6. Forward voltage drop versus forward current (typical values)
1.E+00
I
FM
(A) j j
1.E-01
1
1
V
R
(V)
10 100
1.E-02 j j
T j j
=50°C
1.E-03 j j
V
FM
(V)
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
DocID5505 Rev 12 3/15
15
Characteristics BAT54
Figure 7. Thermal resistance junction to ambient versus copper surface under each lead
(SOD323)
600
R th(j-a)
(°C/W)
Epoxy FR4 e
CU
=35 µm
500
Figure 8. Relative variation of thermal impedance junction to ambient versus pulse duration (SOD323)
1.E+00
Z th(j-a)
/R th(j-a)
Single pulse
SOD323
1.E-01
400
300
200
0 5 10 15 20
S
CU
(mm²)
25 30 35 40 45 50
1.E-02
1.E-03
1.E-03 1.E-02
Epoxy FR4
S
CU
=2.25 mm² e
CU
=35 µm t
P
(s)
1.E-01 1.E+00 1.E+01 1.E+02 1.E+03
Figure 9. Relative variation of thermal impedance junction to ambient versus pulse duration (SOT23)
1.E+00
Z th(j-a)
/R th(j-a)
Single pulse
SOT23
Figure 10. Relative variation of thermal impedance junction to ambient versus pulse
1.E+00
Z th(j-a)
/R th(j-a)
Single pulse
SOD523 duration (SOD-523)
1.E-01
1.E-01
1.E-02
1.E-02
1.E-03 1.E-02
Alumine substrate
10 x 8 x 0.5 mm t
P
(s)
1.E-01 1.E+00 1.E+01 1.E+02
1.E-03
1.E-03 1.E-02 t
P
(s)
1.E-01
Epoxy FR4 e
CU
=35 µm
1.E+00 1.E+01
4/15 DocID5505 Rev 12
BAT54 Package information
Epoxy meets UL94, V0
Lead-free packages
In order to meet environmental requirements, ST offers these devices in different grades of
ECOPACK
®
packages, depending on their level of environmental compliance. ECOPACK
® specifications, grade definitions and product status are available at: www.st.com
.
ECOPACK
®
is an ST trademark.
Figure 11. SOD123 dimension definitions
+ $
$
E
(
'
$
F
*
DocID5505 Rev 12 5/15
15
Package information
Ref.
D
E b c
A
A1
A2
G
H
Table 6. SOD123 dimension values
Dimensions
Millimeters Inches
Typ.
Min.
0
0.85
Typ.
Max.
1.45
0.10
1.35
Min.
0.033
0
0.55
0.15
0.022
0.039
2.55
1.4
0.25
3.55
2.85
1.70
3.75
0.1
0.055
0.01
0.14
Figure 12. SOD123 footprint dimensions in mm (inches)
BAT54
Max.
0.057
0.004
0.053
0.112
0.067
0.148
6/15 DocID5505 Rev 12
BAT54 Package information
(
Figure 13. SOD323 dimension definitions
+ $
E
Ref.
E
H c
D
A
A1 b
L
Q1
' $
F
4
/
Min.
1.11
2.3
0.1
0.1
0
0.25
0.1
1.52
Table 7. SOD323 dimension values
Dimensions
Millimeters
Typ.
Max.
1.17
0.1
0.44
0.25
1.8
1.45
2.7
0.46
0.41
Min.
0
0.01
0.004
0.06
0.044
0.09
0.004
0.004
Inches
Typ.
Figure 14. SOD323 footprint dimensions in mm (inches)
Max.
0.046
0.004
0.017
0.01
0.071
0.057
0.106
0.02
0.016
DocID5505 Rev 12 7/15
15
Package information
E
Figure 15. SOD-523 dimension definitions
(
(
'
$
5
/
F
BAT54
8/15
Ref.
c
L
D b
L1
A
E
E1
/
Min.
0.50
1.50
1.10
0.70
0.25
0.07
0.15
0.05
Table 8. SOD-523 dimension values
Dimensions
Millimeters
Typ.
0.60
1.60
1.20
0.80
0.20
Max.
0.70
1.70
1.30
0.90
0.35
0.20
0.25
0.20
Min.
0.020
0.059
0.043
0.028
0.010
0.003
0.006
0.002
Inches
Typ.
0.024
0.063
0.047
0.031
0.008
Figure 16. SOD-523 footprint dimensions in mm (inches)
Max.
0.028
0.067
0.051
0.035
0.014
0.008
0.010
0.008
DocID5505 Rev 12
BAT54
%
Figure 17. SOT23 dimension definitions
$
(
Package information
H
H
6
'
$
+
/
F
DocID5505 Rev 12 9/15
15
Package information
Ref.
c
D e e1
E
H
L
S
A
A1
B
Min.
0.89
0
0.3
0.085
2.75
0.85
1.7
1.2
2.1
Table 9. SOT23 dimension values
Dimensions
Millimeters
Typ.
Max.
1.4
0.1
0.51
0.18
3.04
1.05
2.1
1.75
3.00
Min.
0.035
0
0.012
0.003
0.108
0.033
0.067
0.047
0.083
0.6
0.65
0.014
Inches
Typ.
0.024
0.35
Figure 18. SOT23 footprint dimensions in mm (inches)
BAT54
Max.
0.055
0.004
0.02
0.007
0.12
0.041
0.083
0.069
0.118
0.026
10/15 DocID5505 Rev 12
BAT54
E
Figure 19. SOT-323 dimension definitions
Package information
$
(
H
'
$
F ș
+
/
DocID5505 Rev 12 11/15
15
Package information
Ref.
E e c
D
H
A
A1 b
L q
Min.
0.8
0.0
0.25
0.1
1.8
1.15
0.6
1.8
0.1
0
Table 10. SOT-323 dimension values
Dimensions
Millimeters Inches
Typ.
2.0
1.25
0.65
2.1
0.2
Max.
1.1
0.1
0.4
0.26
2.2
1.35
0.7
2.4
0.3
30°
Min.
0.031
0.0
0.010
0.004
0.071
0.045
0.023
0.071
0.004
0
Typ.
0.079
0.049
0.026
0.083
0.008
Figure 20. SOT-323 footprint dimensions in mm (inches)
BAT54
Max.
0.043
0.004
0.016
0.010
0.086
0.053
0.027
0.094
0.012
30°
12/15 DocID5505 Rev 12
BAT54 Ordering information
Figure 21. Ordering information scheme
%$7[[[[),/0
Order code
BAT54FILM
BAT54SFILM
BAT54CFILM
BAT54AFILM
BAT54WFILM
BAT54SWFILM
BAT54CWFILM
BAT54AWFILM
BAT54JFILM
BAT54JFILM-HQ
BAT54KFILM
BAT54ZFILM
6LJQDO6FKRWWN\GLRGHV
9
550
9
&RQILJXUDWLRQ
1ROHWWHU 6LQJOHGLRGH
$ &RPPRQDQRGH
& &RPPRQFDWKRGH
6 6HULHVGLRGHV
3DFNDJH
%ODQN 627
- 62'
: 627
. 62'
= 62'
3DFNLQJ
),/0 7DSHDQGUHHO
Table 11. Ordering information
Marking Package Weight
D86
D88
D87
D84
D73
D78
D77
D74
86
86
86
D72
SOT-23 Single
SOT-23 Serial
SOT-23
Common cathode
SOT-23
Common anode
SOT-323 Single
SOT-323 Serial
SOT-323
Common cathode
SOT-323
Common anode
SOD-323
SOD-323
SOD-523
SOD-123
10 mg
10 mg
10 mg
10 mg
6 mg
6 mg
6 mg
6 mg
5 mg
5 mg
1.4 mg
10 mg
Base qty Delivery mode
3000
3000
Tape and reel
Tape and reel
3000 Tape and reel
3000
3000
3000
3000
3000
3000
10000
3000
3000
Tape and reel
Tape and reel
Tape and reel
Tape and reel
Tape and reel
Tape and reel
Tape and reel
Tape and reel
Tape and reel
DocID5505 Rev 12 13/15
15
Revision history BAT54
Date
Jun-1999
24-Jul-2006
13-Oct-2009
02-Feb-2015
28-Jun-2016
Revision
Table 12. Document revision history
Changes
8
9
10
11
12
Last update.
BAT54, A, C, S and BAT54J / W / AW / CW /SW datasheets merged.
ECOPACK statement added. SOD-123, SOD-523 and SOT-666 packages added.
Updated Table 8 quote “L1” from 0.10 to 0.05.
Updated Figure 22 for product in end of life. Removed SOT-666 package information and reformatted to current standard.
Updated Table 11
.
14/15 DocID5505 Rev 12
BAT54
IMPORTANT NOTICE – PLEASE READ CAREFULLY
STMicroelectronics NV and its subsidiaries (“ST”) reserve the right to make changes, corrections, enhancements, modifications, and improvements to ST products and/or to this document at any time without notice. Purchasers should obtain the latest relevant information on
ST products before placing orders. ST products are sold pursuant to ST’s terms and conditions of sale in place at the time of order acknowledgement.
Purchasers are solely responsible for the choice, selection, and use of ST products and ST assumes no liability for application assistance or the design of Purchasers’ products.
No license, express or implied, to any intellectual property right is granted by ST herein.
Resale of ST products with provisions different from the information set forth herein shall void any warranty granted by ST for such product.
ST and the ST logo are trademarks of ST. All other product or service names are the property of their respective owners.
Information in this document supersedes and replaces information previously supplied in any prior versions of this document.
© 2016 STMicroelectronics – All rights reserved
DocID5505 Rev 12 15/15
15
