SDM03U40
Document number: DS30392 Rev. 9 - 2 1 of 3
www.diodes.com January 2009
© Diodes Incorporated
SDM03U40
SURFACE MOUNT SCHOTTKY BARRIER DIODE
Features
• Low Forward Voltage Drop
• Guard Ring Die Construction for Transient Protect ion
• Ideal for low logic level applications
• Low Capacitance
• Lead Free by Design/RoHS Compliant (Note 1)
• "Green" Device, Note 4 and 5
• Qualified to AEC-Q101 Standards for High Reliability
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
• Terminal Connections: Cathode Band
• Terminals: Finish - Matte Tin annealed over Alloy 42 leadframe.
Solderable per MIL-STD-202, Method 208
• Marking Information: See Page 3
• Ordering Information: See Page 3
• Weight: 0.002 grams (approximate)
Maximum Ratings @TA = 25°C unless otherwise specified
Characteristic Symbol Value Unit
Peak Reverse Voltage VRM 40 V
DC Reverse Voltage VR 30 V
RMS Reverse Voltage VR
RMS
21 V
Average Rectified Current IO 30 mA
Non-Repetitive Peak Forward Surge Current @8.3ms
Single half sine-wave superimposed on rated load IFSM 200 mA
Thermal Characteristics
Characteristic Symbol Value Unit
Power Dissipation (Note 2) PD 150 mW
Thermal Resistance, Junction to Ambient (Note 2) R
JA 667 °C/W
Operating and Storage Temperature Range TJ, TSTG -40 to +125 °C
Electrical Characteristics @TA = 25°C unless otherwise specified
Characteristic Symbol Min Typ Max Unit Test Conditions
Reverse Breakdown Voltage (Note 3) V
BR
R 40 ⎯ ⎯ V IR = 10uA
Forward Voltage VF ⎯ 290 370 mV IF = 1mA
Peak Reverse Current (Note 3) IR ⎯ ⎯ 0.5 μA VR = 30V
Total Capacitance CT ⎯ 2 ⎯ pF VR = 1V, f = 1.0 MHz
Notes: 1. No purposefully added lead.
2. Part mounted on FR-4 board with recommended pad layout, which can be found on our website at http://www.diodes.com/datasheets/ap02001.pdf.
3. Short duration pulse test used to minimize self-heating effect.
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.
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