BAT54WT
Document number: DS31396 Rev. 3 - 2 1 of 4
www.diodes.com July 2009
© Diodes Incorporated
BAT54WT
NEW PRODUCT
SURFACE MOUNT SCHOTTKY BARRIER DIODE
Features
• Fast Switching
• Ultra-Small Surface Mount Package
• PN Junction Guard Ring for Transient and ESD Protection
• Lead Free by Design/RoHS Compliant (Note 3)
• "Green" Device (Notes 4 and 5)
Mechanical Data
• Case: SOD-523
• Case Material: Molded Plastic, “Green” Molding Compound,
Note 5. UL Flammability Classification Rating 94V-0
• Moisture Sensitivity: Level 1 per J-STD-020D
• Leads: Matte Tin Finish annealed over Alloy 42 leadframe (Lead
Free Plating). Solderable per MIL-STD-202, Method 208
• Polarity: Cathode Band
• Marking Information: See Page 2
• Ordering Information: See Page 2
• Weight: 0.004 grams (approximate)
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
RMS Reverse Voltage VR
(
RMS
)
21 V
Average Rectified Forward Current IO 100 mA
Forward Continuous Current (Note 1) IF 200 mA
Repetitive Peak Forward Current (Note 1) IFRM 300 mA
Forward Surge Current (Note 1) @ t < 1.0s IFSM 600 mA
Thermal Characteristics
Characteristic Symbol Value Unit
Power Dissipation (Note 1) PD 150 mW
Thermal Resistance, Junction to Ambient Air (Note 1) R
θ
JA 667 °C/W
Operating and Storage Temperature Range TJ, TSTG -65 to +150 °C
Electrical Characteristics @TA = 25°C unless otherwise specified
Characteristic Symbol Min Typ Max Unit Test Condition
Reverse Breakdown Voltage (Note 2) V
(
BR
)
R 30 ⎯ ⎯ V IR = 100μA
Forward Voltage
VFM ⎯ ⎯ 320
400
1000 mV IF = 1mA
IF = 10mA
IF = 100mA
Reverse Leakage Current (Note 2) IRM ⎯ ⎯ 2.0 μA VR = 25V
Reverse Recovery Time trr ⎯ ⎯ 5.0 ns IF = 10mA through IR = 10mA
to IR = 1.0mA, RL = 100Ω
Notes: 1. Part 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.
2. Short duration pulse test used to minimize self-heating effect.
3. No purposefully added lead.
4. Diodes Inc.'s "Green" Policy can be found on our website at http://www.diodes.com/products/lead_free/index.php.
5. Product manufactured with date code 0627 (week 27, 2006) and newer are built with Green Molding Compound. Product manufactured prior to date
code 0627 are built with Non-Green Molding Compound and may contain Halogens or Sb2O3 Fire Retardants
Top View
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BAT54WT
Document number: DS31396 Rev. 3 - 2 2 of 4
www.diodes.com July 2009
© Diodes Incorporated
BAT54WT
NEW PRODUCT
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 , INST ANTANEOUS FORWARD VOLTAGE (V)
Fig. 1 Forward Characteristics
F
0.001
0.01
0.1
10
1
100
051015 20 25 30
V , INSTANTANEOUS REVERSE VOLT AGE (V)
Fig. 2 Typical Reverse Characteristics
R
I , INSTANT ANEOUS REVERSE CURRENT (µA)
R
0
50
02550 75 100 125
P
,
P
O
WE
R
DISSI
P
A
T
I
O
N
(mW)
D
T , AMBIENT TEMPERA TURE ( C)
Fig. 3 Power Derating Curve
A
°
100
200
150
Ordering Information (Note 6)
Part Number Case Packaging
BAT54WT-7 (Note 7) SOD-523 3000/Tape & Reel
Notes: 6. For packaging details, go to our website at http://www.diodes.com/datasheets/ap02007.pdf.
7. Dispensed in every other cavity of the tape.
Marking Information
L9
Pr oduct Type Code Mar kin g
Cat hode Ba nd
BAT54WT
Document number: DS31396 Rev. 3 - 2 3 of 4
www.diodes.com July 2009
© Diodes Incorporated
BAT54WT
NEW PRODUCT
Package Outline Dimensions
Suggested Pad Layout
SOD-523
Dim Min Max
A 0.25 0.35
B 0.70 0.90
C 1.50 1.70
H 1.10 1.30
K 0.55 0.65
L 0.10 0.30
M 0.10 0.12
All Dimensions in mm
Dimensions Value (in mm)
Z 2.3
G 1.1
X 0.8
Y 0.6
C 1.7
H
C
A
BK
M
L
Z
X
C
G
Y
BAT54WT
Document number: DS31396 Rev. 3 - 2 4 of 4
www.diodes.com July 2009
© Diodes Incorporated
BAT54WT
NEW PRODUCT
IMPORTANT NOTICE
DIODES INCORPORATED MAKES NO WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, WITH REGARDS TO THIS DOCUMENT,
INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
(AND THEIR EQUIVALENTS UNDER THE LAWS OF ANY JURISDICTION).
Diodes Incorporated and its subsidiaries reserve the right to make modifications, enhancements, improvements, corrections or other changes
without further notice to this document and any product described herein. Diodes Incorporated does not assume any liability arising out of the
application or use of this document or any product described herein; neither does Diodes Incorporated convey any license under its patent or
trademark rights, nor the rights of others. Any Customer or user of this document or products described herein 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 Diodes Incorporated
website, harmless against all damages.
Diodes Incorporated does not warrant or accept any liability whatsoever in respect of any products purchased through unauthorized sales channel.
Should Customers purchase or use Diodes Incorporated p roducts for any unintended or una uthorized application, Customers shall indemnify and
hold Diodes Incorporated and its representatives harmless against all claims, damages, expenses, and attorney fees arising out of, directly or
indirectly, any claim of personal injury or death associated with such unintended or unauthorized application.
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noted herein may also be covered by one or more United States, international or foreign trademarks.
LIFE SUPPORT
Diodes Incorporated products are specifically not authorized for use as critical components in life support devices or systems without the express
written approval of the Chief Executive Officer of Diodes Incorporated. As used herein:
A. Life support devices or systems are devices or systems which:
1. are intended to implant into the body, or
2. support or sustain life and whose failure to perform when properly used in accordance with instructions for use provided in the
labeling can be reasonably expected to result in significant injury to the user.
B. A critical component is any component in a life support device or system whose failure to perform can be reasonably expected to cause the
failure of the life support device or to affect its safety or effectiveness.
Customers represent that they have all necessary expertise in the safety and regulatory ramifications of their life support devices or systems, and
acknowledge and agree that they are solely responsible for all legal, regulatory and safety-related requirements concerning their pro ducts and an y
use of Diodes Incorporated products in such safety-critical, life support devices or systems, notwithstanding any devices- or systems-related
information or support that may be provided by Diodes Incorporated. Further, Customers must fully indemnify Diodes Incorporated and its
representatives against any damages arising out of the use of Diodes Incorporated products in such safety-critical, life support devices or systems.
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