SDM03MT40/A
SURFACE MOUNT SCHOTTKY BARRIER DIODE
Features
• Low Forward Voltage Drop
• Guard Ring Die Construction for Transient Protection
• Ideal for low logic level applications
• Low Capacitance
• Lead Free/RoHS Compliant (Note 3)
• "Green" Device, Note 4 and 5
Mechanical Data
• Case: SOT-26
• Case Material: Molded Plastic, "Green" Molding Compound,
Note 5. UL Flammability Classification Rating 94V-0
• Moisture Sensitivity: Level 1 per J-STD-020D
• Polarity: See Diagram
• Leads: Matte Tin (Lead Free), Solderable per MIL-STD-202,
Method 208
• Lead Free Plating (Matte Tin Finish annealed over Copper
leadframe).
• Marking Information: See Page 3
• Ordering Information: See Page 3
• Weight: 0.016 grams (approximate)
SDM03MT40A
Top View SDM03MT40
Device Schematic
Device Schematic
Maximum Ratings @TA = 25°C unless otherwise specified
Characteristic Symbol Value Unit
Peak Repetitive Reverse Voltage
Working Peak Reverse Voltage
DC Blocking Voltage
VRRM
VRWM
VR
40 V
RMS Reverse Voltage VR(RMS) 28 V
Forward Continuous Current (Note 2) IFM 30 mA
Non-Repetitive Peak Forward Surge Current @8.3ms
Single half sine-wave superimposed on rated load
(JEDEDC method)
IFSM 200 mA
Thermal Characteristics
Characteristic Symbol Value Unit
Power Dissipation (Note 2) PD 225 mW
Thermal Resistance, Junction to Ambient Air RθJA 444 °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 Condition
Reverse Breakdown Voltage (Note 1) V(BR)R 40 ⎯ ⎯ V IR = 10uA
Forward Voltage Drop (Note 1) VF ⎯ ⎯ 370 mV IF = 1mA
Leakage Current (Note 1) IR ⎯ ⎯ 1 μA VR = 10V
Total Capacitance CT ⎯ 2 ⎯ pF VR = 1V f = 1.0 MHz
Notes: 1. Short duration pulse test used to minimize self-heating effect.
2. 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.
3. No purposefully added lead.
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.
6. Package is non-polarized. Parts may be on reel in orientation illustrated, 180° rotated, or mixed (both ways).
SDM03MT40/A
Document number: DS30372 Rev. 11 - 2
1 of 3
www.diodes.com
July 2008
© Diodes Incorporated