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Lead-free
BAT54T /AT /CT /ST
A
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 3)
G H K M TOP VIEW BC
SOT-523 Dim A B C D G
N
Min 0.15 0.75 1.45 3/4 0.90 1.50 0.00 0.60 0.10 0.10 0.45 0
Max 0.30 0.85 1.75 3/4 1.10 1.70 0.10 0.80 0.30 0.20 0.65 8
Typ 0.22 0.80 1.60 0.50 1.00 1.60 0.05 0.75 0.22 0.12 0.50 3/4
Mechanical Data
Case: SOT-523 Case Material: Molded Plastic. UL Flammability Classification Rating 94V-0 Moisture sensitivity: Level 1 per J-STD-020C Terminals: Finish - Solderable per MIL-STD-202, Method 208 Lead Free Plating (Matte Tin Finish annealed over Alloy 42 leadframe). Polarity: See Diagrams Below Marking: See Diagrams Below & Page 2 Weight: 0.002 grams (approx.) Ordering Information, see Page 2
H J K L M N a
J
D
L
All Dimensions in mm
BAT54T Marking: L1
BAT54AT Marking: L2 @ TA = 25C unless otherwise specified
BAT54CT Marking: L3
BAT54ST Marking: L4
Maximum Ratings
Characteristic Peak Repetitive Reverse Voltage Working Peak Reverse Voltage DC Blocking Voltage Forward Continuous Current (Note 1) Repetitive Peak Forward Current Forward Surge Current Power Dissipation (Note 1) Thermal Resistance, Junction to Ambient (Note 1) Operating and Storage Temperature Range @ t < 1.0s
Symbol VRRM VRWM VR IFM IFRM IFSM Pd RqJA Tj, TSTG
Value 30 200 300 600 150 833 -65 to +125
Unit V mA mA mA mW C/W C
Electrical Characteristics
Characteristic Reverse Breakdown Voltage (Note 2)
@ TA = 25C unless otherwise specified Symbol V(BR)R Min 30 Typ 3/4 Max 3/4 240 320 400 500 1000 2.0 10 5.0 Unit V Test Condition IR = 100mA 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 = 100W
Forward Voltage
VF IR CT trr
3/4
3/4
mV
Reverse Leakage Current (Note 2) Total Capacitance Reverse Recovery Time
Notes:
3/4 3/4 3/4
3/4 3/4 3/4
mA pF ns
1. 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. 2. Short duration test pulse used to minimize self-heating efffect. 3. No purposefully added lead.
DS30259 Rev. 8 - 2
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BAT54T /AT /CT /ST
a Diodes Incorporated
200
IF, INSTANTANEOUS FORWARD CURRENT (A)
1
PD, POWER DISSIPATION (mW)
0.1
TA = 125C
0.01
TA = 75C TA = 25C TA = 0C
100
0.001
TA = -40C
0 0 25 50 75 100 125
0.0001 0 0.2 0.4 0.6 0.8 1.0 VF, INSTANTANEOUS FORWARD VOLTAGE (V) Fig. 2 Forward Characteristics
f = 1.0MHz
TA, AMBIENT TEMPERATURE (C) Fig. 1 Power Derating Curve
100
TA = 125C
12
CT, TOTAL CAPACITANCE (pF)
10
10
TA = 75C
8
1
TA = 25C
6
0.1
TA = 0C
4
0.01
2
0.001 0 5 10 15 20 25 30 VR, INSTANTANEOUS REVERSE VOLTAGE (V) Fig. 3 Typical Reverse Characteristics
0 0 5 10 15 20 25 30
VR, REVERSE VOLTAGE (V) Fig. 4 Typical Capacitance vs. Reverse Voltage
Ordering Information
Device BAT54T-7-F BAT54AT-7-F BAT54CT-7-F BAT54ST-7-F
Notes:
(Note 4) Packaging SOT-523 SOT-523 SOT-523 SOT-523 Shipping 3000/Tape & Reel 3000/Tape & Reel 3000/Tape & Reel 3000/Tape & Reel
4. For Packaging Details: go to our website at http://www.diodes.com/datasheets/ap02007.pdf.
Marking Information
XXYM
Date Code Key Year Code Month Code 2002 N Jan 1 2003 P Feb 2 2004 R March 3
XX = Product Type Marking Code (See Page 1, e.g. L1 = BAT54T) YM = Date Code Marking Y = Year (ex: N = 2002) M = Month (ex: 9 = September) 2005 S Apr 4 2006 T May 5 2007 U Jun 6 Jul 7 2008 V Aug 8 2009 W Sep 9 2010 X Oct O 2011 Y Nov N 2012 Z Dec D
DS30259 Rev. 8 - 2
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BAT54T /AT /CT /ST
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 any 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.
DS30259 Rev. 8 - 2
3 of 3 www.diodes.com
BAT54T /AT /CT /ST

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