BAT54 /A /C /S
SURFACE MOUNT SCHOTTKY BARRIER DIODE
Features
• Low Turn-on Voltage
• Fast Switching
• PN Junction Guard Ring for Transient and ESD Protection
• Lead Free/RoHS Compliant (Note 3)
• Qualified to AEC-Q101 Standards for High Reliability
Mechanical Data
• Case: SOT-23
• Case Material: Molded Plastic. UL Flammability Classification
Rating 94V-0
• Moisture Sensitivity: Level 1 per J-STD-020D
• Terminals: Solderable per MIL-STD-202, Method 208
• Lead Free Plating (Matte Tin Finish annealed over Alloy 42
leadframe).
• Polarity: See Diagrams Below
• Marking Information: See Page 4
• Ordering Information: See Page 3
• Weight: 0.008 grams (approximate)
Top View BAT54 BAT54A BAT54C BAT54S
Maximum Ratings @TA = 25°C unless otherwise specified
Characteristic Symbol Value Unit
Peak Repetitive Reverse Voltage
Working Peak Reverse Voltage
DC Blocking Voltage
VRRM
VRWM
VR 30 V
Forward Continuous Current (Note 2) IF 200 mA
Repetitive Peak Forward Current IFRM 300 mA
Forward Surge Current @ t < 1.0s IFSM 600 mA
Thermal Characteristics
Characteristic Symbol Value Unit
Power Dissipation (Note 2) PD 200 mW
Thermal Resistance, Junction to Ambient Air (Note 2) RθJA 500 °C/W
Operating and Storage Temperature Range TJ, TSTG -65 to +125 °C
Electrical Characteristics @TA = 25°C unless otherwise specified
Characteristic Symbol Min Typ Max Unit Test Condition
Reverse Breakdown Voltage (Note 1) V(BR)R 30 ⎯ ⎯ V IRS = 100μA
Forward Voltage
VF ⎯ ⎯
240
320
400
500
800
mV
IF = 0.1mA
IF = 1mA
IF = 10mA
IF = 30mA
IF = 100mA
Reverse Leakage Current (Note 1) IR ⎯ ⎯ 2.0 μA VR = 25V
Total Capacitance CT ⎯ ⎯ 10 pF VR = 1.0V, f = 1.0MHz
Reverse Recovery Time trr ⎯ ⎯ 5.0 ns IF = 10mA through IR = 10mA to
IR = 1.0mA, RL = 100Ω
Notes: 1. Short duration test pulse used to minimize self-heating effect.
2. Part mounted on FR-4 board with recommended pad layout, which can be found on our website at http://www.diodes.com/datasheets/ap02001.pdf.
3. No purposefully added lead.
BAT54 /A /C /S
Document number: DS11005 Rev. 22 - 2 1 of 3
www.diodes.com July 2008
© Diodes Incorporated
Please click here to visit our online spice models database.
BAT54 /A /C /S
0.1
0.01
1
0.001
0.000101.00.4 0.6 0.8
0.2
I , INS
T
AN
T
ANE
O
U
S
F
O
R
WA
R
D
C
U
R
R
EN
T
(A)
F
V , INSTANTANEOUS FORW ARD VOLTAGE (V)
Fig. 1 Typical Forward Characteristics
F
T = -40ºC
A
T = 125ºC
A
T = 75ºC
A
T = 25ºC
A
T = 0ºC
A
0.001
0.01
0.1
10
1
100
05101520
25 30
V , INSTANTANEOUS REVERSE VOLT AGE (V)
Fig. 2 Typical Reverse Characteristics
R
T = 25ºC
A
T = 75ºC
A
T = 125ºC
A
T = 0ºC
A
0
2
4
10
8
6
12
010 15
520 30
25
C
,
T
O
T
AL
C
A
P
A
C
I
T
A
N
C
E (p
F
)
T
V , DC REVERSE VOLTAGE (V)
Fig. 3 Total Capacitance vs. Reverse Voltage
R
0
100
0255075100125
P
P
O
WE
R
DISSI
P
A
T
I
O
N (mW)
D,
T , AM BIENT TEMPERATURE ( C)
Fig. 4 Power Derating Curve
A
°
200
Ordering Information (Note 4)
Part Number Case Packaging
BAT54-7-F SOT-23 3000/Tape & Reel
BAT54A-7-F SOT-23 3000/Tape & Reel
BAT54C-7-F SOT-23 3000/Tape & Reel
BAT54S-7-F SOT-23 3000/Tape & Reel
Notes: 4. For packaging details, go to our website at http://www.diodes.com/datasheets/ap02007.pdf.
BAT54 /A /C /S
Document number: DS11005 Rev. 22 - 2 2 of 3
www.diodes.com July 2008
© Diodes Incorporated
BAT54 /A /C /S
Marking Information
xxx = Product Type Marking Code
KL1 = BAT54
KL2 = BAT54A
KL3 = BAT54C
KL4 = BAT54S
YM = Date Code Marking
Y = Year (ex: T = 2006)
M = Month (ex: 9 = September)
xxx
YM
Date Code Key
Year 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015
Code J K L M N P R S T U V W X Y Z A B C
Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Code 1 2 3 4 5 6 7 8 9 O N D
Package Outline Dimensions
BAT54 /A /C /S
Document number: DS11005 Rev. 22 - 2 3 of 3
www.diodes.com July 2008
© Diodes Incorporated
Suggested Pad Layout
IMPORTANT NOTICE
Diodes Incorporated and its subsidiaries reserve the right to make modifications, enhancements, improvements, corrections or other changes
without further notice to any product herein. Diodes Incorporated does not assume an y liability arising out of the application or use of any product
described herein; neither does it convey any license under its patent rights, nor the rights of others. The user of products in such applications shall
assume all risks of such use and will agree to hold Diodes Incorporated and all the companies whose products are represented on our website,
harmless against all damages. LIFE SUPPORT
Diodes Incorporated products are not authorized for use as critical components in life support devices or systems without the expressed written
approval of the President of Diodes Incorporated.
SOT-23
Dim Min Max Typ
A 0.37 0.51 0.40
B 1.20 1.40 1.30
C 2.30 2.50 2.40
D 0.89 1.03 0.915
F 0.45 0.60 0.535
G 1.78 2.05 1.83
H 2.80 3.00 2.90
J 0.013 0.10 0.05
K 0.903 1.10 1.00
K1 - - 0.400
L 0.45 0.61 0.55
M 0.085 0.18 0.11
α 0° 8° -
All Dimensions in mm
A
M
JL
D
F
BC
H
K
G
K1
XE
Y
C
Z
Dimensions Value (in mm)
Z 2.9
X 0.8
Y 0.9
C 2.0
E 1.35
