Diodes BAT54T User Manual
Features
• Ultra-Small Surface Mount Package
• Low Forward Voltage Drop
• Fast Switching
• PN Junction Guard Ring for Transient and ESD Protection
• Lead Free/RoHS Compliant (Note 1)
• "Green" Device (Note 2 and 3)
• Qualified to AEC-Q101 Standards for High Reliability
Top View BAT54T BAT54AT BAT54CT BAT54ST
BAT54T /AT /CT /ST
SURFACE MOUNT SCHOTTKY BARRIER DIODE
Mechanical Data
• Case: SOT-523
• Case Material: Molded Plastic. UL Flammability Classification
Rating 94V-0
• Moisture Sensitivity: Level 1 per J-STD-020
• Terminals: Finish - Solderable per MIL-STD-202, Method 208
• Lead Free Plating (Matte Tin Finish annealed over Alloy 42
leadframe).
• Polarity: See Diagrams Below
• Weight: 0.002 grams (approximate)
Ordering Information (Note 4)
Part Number Case Packaging
BAT54T-7-F SOT-523 3000/Tape & Reel
BAT54AT-7-F SOT-523 3000/Tape & Reel
BAT54CT-7-F SOT-523 3000/Tape & Reel
BAT54ST-7-F SOT-523 3000/Tape & Reel
Notes: 1. No purposefully added lead.
Code UO are built with Non-Green Molding Compound and may contain Halogens or Sb2O3 Fire Retardants.
4. For packaging details, go to our website at http://www.diodes.com.
2. Diodes Inc.'s "Green" policy can be found on our website at http://www.diodes.com.
3. Product manufactured with Date Code UO (week 40, 2007) and newer are built with Green Molding Compound. Product manufactured prior to Date
Marking Information
Date Code Key
Year 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015
Code 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
xx
YM
BAT54T /AT /CT /ST
Document number: DS30259 Rev. 11 - 2
xx = Product Type Marking Code
L1 = BAT54T
L2 = BAT54AT
L3 = BAT54CT
L4 = BAT54ST
YM = Date Code Marking
Y = Year (ex: N = 2002)
M = Month (ex: 9 = September)
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October 2010
© Diodes Incorporated
θ
(BR)
N
TAN
T
N
O
US F
O
RWARD C
URREN
T
Maximum Ratings @T
= 25°C unless otherwise specified
A
Characteristic Symbol Value Unit
Peak Repetitive Reverse Voltage
Working Peak Reverse Voltage
DC Blocking Voltage
Forward Continuous Current (Note 5)
Repetitive Peak Forward Current
Forward Surge Current @ t < 1.0s
V
V
I
I
RRM
RWM
VR
I
FM
FRM
FSM
Thermal Characteristics
Characteristic Symbol Value Unit
Power Dissipation (Note 5)
Thermal Resistance, Junction to Ambient (Note 5)
Operating and Storage Temperature Range
Electrical Characteristics @T
= 25°C unless otherwise specified
A
Characteristic Symbol Min Typ Max Unit Test Condition
Reverse Breakdown Voltage (Note 6)
Forward Voltage
Reverse Leakage Current (Note 6)
Total Capacitance
Reverse Recovery Time
Notes: 5. Device mounted on FR-4 PC board with recommended pad layout, which can be found on our website at
http://www.diodes.com/datasheets/ap02001.pdf.
6. Short duration pulse test used to minimize self-heating effect.
V
V
F
I
⎯ ⎯
R
C
⎯ ⎯
T
t
rr
1
(A)
T
R
P
D
R
JA
, T
J
STG
30
⎯ ⎯
⎯ ⎯
100
-65 to +125
⎯ ⎯
240
320
400
500
1000
2.0
10 pF
5.0 ns
BAT54T /AT /CT /ST
30 V
200 mA
300 mA
600 mA
150 mW
833
V
IR = 100μA
I
= 0.1mA
F
= 1mA
I
F
mV
I
= 10mA
F
= 30mA
I
F
I
= 100mA
F
μA
V
R
= 25V
VR = 1.0V, f = 1.0MHz
= 10mA through IR = 10mA
I
F
= 1.0mA, RL = 100Ω
to I
R
°C/W
°C
0.1
10
1
0.01
0.1
E
A
0.001
0.01
S
F
I, I
0.0001
0
0.2
V , INSTANTANEOUS FORWARD VOLTAGE (V)
F
0.6
0.8
Fig. 1 Typical Forwar d C haracter istics
1.00.4
0.001
5101520
0
V , INSTANTANEOUS REVERSE VOLTAGE (V)
R
Fig. 2 Typical Reverse Characteristics
25
30
BAT54T /AT /CT /ST
Document number: DS30259 Rev. 11 - 2
2 of 4
www.diodes.com
October 2010
© Diodes Incorporated
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