SDM20U40Q
SURFACE MOUNT SCHOTTKY BARRIER DIODE
Product Summary (@TA = +25°C)
Features and Benefits
Low Forward-Voltage Drop
VRRM (V)
IO (mA)
VF(MAX) (V)
IR(MAX) (µA)
Guard-Ring Construction for Transient Protection
Negligible Reverse-Recovery Time
40
250
0.6
5
Low Reverse Capacitance
Totally Lead-Free & 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
SMPS
Case: SOD523
DC-DC Converter
Case Material: Molded Plastic, "Green" Molding Compound,
UL Flammability Classification Rating 94V-0
Moisture Sensitivity: Level 1 per J-STD-020
Terminal Connections: Cathode Band
Freewheeling Diodes
Reverse Polarity Protection
Blocking Diodes
Terminals: Finish—Matte Tin Annealed over Alloy 42 Leadframe.
e3
Solderable per MIL-STD-202, Method 208
Weight: 0.002 grams (Approximate)
Top View
Ordering Information (Note 5)
Part Number
SDM20U40Q-7
SDM20U40Q-13
Packaging
SOD523
SOD523
Shipping
3,000/Tape & Reel
10,000/Tape & Reel
Notes:
1. No purposely added lead. Fully EU Directive 2002/95/EC (RoHS), 2011/65/EU (RoHS 2) & 2015/863/EU (RoHS 3) compliant.
2. See https://www.diodes.com/quality/lead-free/ for more information about Diodes Incorporated’s definitions of Halogen- and Antimony-free, "Green" and
Lead-free
3. Halogen- and Antimony-free "Green” products are defined as those which contain <900ppm bromine, <900ppm chlorine (<1500ppm total Br + Cl) and
<1000ppm antimony compounds
4. Automotive products are AEC-Q101 qualified and are PPAP capable. Refer to https://www.diodes.com/quality/.
5. For packaging details, go to our website at https://www.diodes.com/design/support/packaging/diodes-packaging/.
Marking Information
S4
S4 = Product Type Marking Code
1 of 5
www.diodes.com
June 2019
© Diodes Incorporated
SDM20U40Q
Document number: DS40935 Rev. 3 - 2