BAT54WQ /AWQ /CWQ /SWQ SURFACE MOUNT SCHOTTKY BARRIER DIODE Product Summary ( +25C) Features and Benefits V Max F Low Forward Voltage Drop I Max (A) R I (mA) V (V) F (mV) R Fast Switching 25V 1mA Ultra-Small Surface Mount Package PN Junction Guard Ring for Transient and ESD Protection 30 200 320 2 Totally Lead-Free Finish & Fully RoHS Compliant (Notes 1 & 2) Halogen and Antimony Free. Green Device (Note 3) Qualified to AEC-Q101 Standards for High Reliability PPAP Capable (Note 4) Applications Mechanical Data Case: SOT323 SMPS Case Material: Molded Plastic,Gree Molding Compound. DC-DC Converter UL Flammability Classification Rating 94V-0 Freewheeling Diodes Moisture Sensitivity: Level 1 per J-STD-020 Reverse Polarity Protection Terminals: Matte Tin Finish Annealed over Alloy 42 Leadframe. Blocking Diodes (Lead Free Plating). Solderable per MIL-STD-202, Method 208 Polarity: See Diagrams Below Weight: 0.006 grams (Approximate) SOT323 Top View BAT54WQ BAT54AWQ BAT54CWQ BAT54SWQ Ordering Information (Note 5) Part Number Compliance Case Packaging BAT54WQ-7-F Automotive SOT323 3,000/Tape & Reel BAT54WQ-13-F Automotive SOT323 10,000/Tape & Reel BAT54AWQ-7-F Automotive SOT323 3,000/Tape & Reel BAT54AWQ-13-F Automotive SOT323 10,000/Tape & Reel BAT54CWQ-7-F Automotive SOT323 3,000/Tape & Reel BAT54SWQ-7-F Automotive SOT323 3,000/Tape & Reel BAT54SWQ-13-F Automotive SOT323 10,000/Tape & Reel Notes: 1. No purposely added lead. Fully EU Directive 2002/95/EC (RoHS) & 2011/65/EU (RoHS 2) compliant. 2. See BAT54WQ /AWQ /CWQ /SWQ Marking Information xxx = Product Type Marking Code KL5 = BAT54W KL6 = BAT54AW xxx KL7 = BAT54CW KL8 = BAT54SW YM = Date Code Marking Y = Year (ex: F = 2018) M = Month (ex: 9 = September) Date Code Key Year 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024 Code X Y Z A B C D E F G H I J K L 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 Maximum Ratings ( T = +25C, unless otherwise specified.) A Characteristic Symbol Value Unit V Peak Repetitive Reverse Voltage RRM Working Peak Reverse Voltage V 30 V RWM DC Blocking Voltage V R Forward Continuous Current (Note 6) 200 mA I F Repetitive Peak Forward Current (Note 6) I 300 mA FRM Forward Surge Current (Note 6) t < 1.0s I 600 mA FSM Thermal Characteristics Characteristic Symbol Value Unit Power Dissipation (Note 6) 200 mW P D Thermal Resistance Junction to Ambient Air (Note 6) 625 C/W R JA Operating and Storage Temperature Range T , T -65 to +125 C J STG Electrical Characteristics ( T = +25C, unless otherwise specified.) A Characteristic Symbol Min Typ Max Unit Test Condition Reverse Breakdown Voltage (Note 7) 30 V V I = 100A (BR)R R I = 0.1mA F 240 I = 1mA 320 F Forward Voltage V 400 mV I = 10mA F F 500 I = 30mA F 1,000 I = 100mA F Reverse Leakage Current (Note 7) I 2.0 A V = 25V R R Total Capacitance C 10 pF V = 1.0V, f = 1.0MHz T R I = 10mA through I = 10mA F R Reverse Recovery Time 5.0 ns t RR to I = 1.0mA, R = 100 R L Notes: 6. Mounted on FR-4 PC board with recommended pad layout which can be found on our website at