SDM03MT40/A
SURFACE MOUNT SCHOTTKY BARRIER DIODE
Features
Mechanical Data
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Low Forward Voltage Drop
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Case: SOT-26
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
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
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Lead Free Plating (Matte Tin Finish annealed over Copper
leadframe).
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Marking Information: See Page 3
Ordering Information: See Page 3
Weight: 0.016 grams (approximate)
SDM03MT40
Device Schematic
SDM03MT40A
Device Schematic
Top View
Maximum Ratings @T = 25°C unless otherwise specified
A
Characteristic
Symbol
VRRM
VRWM
VR
Value
Unit
Peak Repetitive Reverse Voltage
Working Peak Reverse Voltage
DC Blocking Voltage
40
V
RMS Reverse Voltage
28
30
V
VR(RMS)
IFM
Forward Continuous Current (Note 2)
mA
Non-Repetitive Peak Forward Surge Current @8.3ms
Single half sine-wave superimposed on rated load
(JEDEDC method)
200
mA
IFSM
Thermal Characteristics
Characteristic
Power Dissipation (Note 2)
Symbol
PD
Value
225
Unit
mW
Thermal Resistance, Junction to Ambient Air
444
°C/W
°C
Rθ
JA
Operating and Storage Temperature Range
-40 to +125
TJ, TSTG
Electrical Characteristics @T = 25°C unless otherwise specified
A
Characteristic
Reverse Breakdown Voltage (Note 1)
Forward Voltage Drop (Note 1)
Leakage Current (Note 1)
Symbol
V(BR)R
VF
IR
CT
Min
40
⎯
⎯
⎯
Typ
⎯
⎯
⎯
2
Max
⎯
370
Unit
V
mV
μA
pF
Test Condition
IR = 10uA
IF = 1mA
VR = 10V
1
Total Capacitance
⎯
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).
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www.diodes.com
July 2008
© Diodes Incorporated
SDM03MT40/A
Document number: DS30372 Rev. 11 - 2