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BAT54T /AT /CT /ST
SURFACE MOUNT SCHOTTKY BARRIER DIODE
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
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)
Top View
BAT54T
BAT54AT
BAT54CT
BAT54ST
Ordering Information (Note 4)
Part Number BAT54T-7-F BAT54AT-7-F BAT54CT-7-F BAT54ST-7-F
Notes:
Case SOT-523 SOT-523 SOT-523 SOT-523
Packaging 3000/Tape & Reel 3000/Tape & Reel 3000/Tape & Reel 3000/Tape & Reel
1. No purposefully added lead. 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 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.
Marking Information
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)
xx
YM
Date Code Key Year 2002 Code N Month Code Jan 1
2003 P Feb 2
2004 R Mar 3
2005 S
2006 T Apr 4
2007 U May 5
2008 V Jun 6
2009 W Jul 7
2010 X Aug 8
2011 Y Sep 9
2012 Z
2013 A Oct O
2014 B Nov N
2015 C Dec D
BAT54T /AT /CT /ST
Document number: DS30259 Rev. 11 - 2
1 of 4 www.diodes.com
October 2010
(c) Diodes Incorporated
BAT54T /AT /CT /ST
Maximum Ratings @TA = 25C unless otherwise specified
Characteristic Peak Repetitive Reverse Voltage Working Peak Reverse Voltage DC Blocking Voltage Forward Continuous Current Repetitive Peak Forward Current Forward Surge Current (Note 5) @ t < 1.0s Symbol VRRM VRWM VR IFM IFRM IFSM Value 30 200 300 600 Unit V mA mA mA
Thermal Characteristics
Characteristic Power Dissipation Thermal Resistance, Junction to Ambient Operating and Storage Temperature Range (Note 5) (Note 5) Symbol PD RJA TJ, TSTG Value 150 833 -65 to +125 Unit mW C/W C
Electrical Characteristics @TA = 25C unless otherwise specified
Characteristic Reverse Breakdown Voltage (Note 6) Symbol V(BR)R Min 30 Typ Max 240 320 400 500 1000 2.0 10 5.0 Unit V Test Condition IR = 100A IF = 0.1mA IF = 1mA IF = 10mA IF = 30mA IF = 100mA VR = 25V VR = 1.0V, f = 1.0MHz IF = 10mA through IR = 10mA to IR = 1.0mA, RL = 100
Forward Voltage
VF (Note 6) IR CT trr
mV
Reverse Leakage Current Total Capacitance Reverse Recovery Time
Notes:

A pF ns
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.
IF, INSTANTANEOUS FORWARD CURRENT (A)
1
100
0.1
10
1
0.01
0.1
0.001
0.01
0.0001
0.4 1.0 0.2 0.8 0 0.6 VF, INSTANTANEOUS FORWARD VOLTAGE (V) Fig. 1 Typical Forward Characteristics
0.001 0
5 10 15 20 30 25 VR, INSTANTANEOUS REVERSE VOLTAGE (V) Fig. 2 Typical Reverse Characteristics
BAT54T /AT /CT /ST
Document number: DS30259 Rev. 11 - 2
2 of 4 www.diodes.com
October 2010
(c) Diodes Incorporated
BAT54T /AT /CT /ST
12
8
6
PD, POWER DISSIPATION (mW)
10 CT, TOTAL CAPACITANCE (pF)
200
100
4
2
0
0 0 20 25 10 15 5 30 VR, DC REVERSE VOLTAGE (V) Fig. 3 Total Capacitance vs. Reverse Voltage 0 25 50 75 100 TA, AMBIENT TEMPERATURE (C) Fig. 4 Power Derating Curve 125
Package Outline Dimensions
A
BC
G H K M
N
J
D
L
SOT-523 Dim Min Max Typ A 0.15 0.30 0.22 B 0.75 0.85 0.80 C 1.45 1.75 1.60 D 0.50 G 0.90 1.10 1.00 H 1.50 1.70 1.60 J 0.00 0.10 0.05 K 0.60 0.80 0.75 L 0.10 0.30 0.22 M 0.10 0.20 0.12 N 0.45 0.65 0.50 0 8 All Dimensions in mm
Suggested Pad Layout
Y Z C
X
E
Dimensions Value (in mm) Z 1.8 X 0.4 Y 0.51 C 1.3 E 0.7
BAT54T /AT /CT /ST
Document number: DS30259 Rev. 11 - 2
3 of 4 www.diodes.com
October 2010
(c) Diodes Incorporated
BAT54T /AT /CT /ST
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 products for any unintended or unauthorized 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. Products described herein may be covered by one or more United States, international or foreign patents pending. Product names and markings 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 products and any 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. Copyright (c) 2010, Diodes Incorporated www.diodes.com
BAT54T /AT /CT /ST
Document number: DS30259 Rev. 11 - 2
4 of 4 www.diodes.com
October 2010
(c) Diodes Incorporated

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