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Diodes Incorporated |
Features
• Low Forward Voltage Drop
• Guard Ring Die Construction for Transient Protection
• 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
SDM03U40
SURFACE MOUNT SCHOTTKY BARRIER DIODE
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)
Top View
Maximum Ratings @TA = 25°C unless otherwise specified
Characteristic
Peak Reverse Voltage
DC Reverse Voltage
RMS Reverse Voltage
Average Rectified Current
Non-Repetitive Peak Forward Surge Current @8.3ms
Single half sine-wave superimposed on rated load
Symbol
VRM
VR
VR(RMS)
IO
IFSM
Value
40
30
21
30
200
Unit
V
V
V
mA
mA
Thermal Characteristics
Characteristic
Power Dissipation (Note 2)
Thermal Resistance, Junction to Ambient (Note 2)
Operating and Storage Temperature Range
Symbol
PD
RθJA
TJ, TSTG
Value
150
667
-40 to +125
Unit
mW
°C/W
°C
Electrical Characteristics @TA = 25°C unless otherwise specified
Characteristic
Reverse Breakdown Voltage (Note 3)
Forward Voltage
Peak Reverse Current (Note 3)
Total Capacitance
Symbol Min
Typ
Max Unit
Test Conditions
V(BR)R
40
⎯
⎯
V IR = 10uA
VF ⎯ 290 370 mV IF = 1mA
IR ⎯ ⎯ 0.5 μA VR = 30V
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.
SDM03U40
Document number: DS30392 Rev. 9 - 2
1 of 3
www.diodes.com
January 2009
© Diodes Incorporated
1
100m
10m
1m
0 0.2 0.4 0.6 0.8 1.0 1.2 1.4
VF, INSTANTANEOUS FORWARD VOLTAGE (V)
Fig. 1 Typical Forward Characteristics
100
10
1
0.1
0
5 10 15 20 25
VR, DC REVERSE VOLTAGE (V)
Fig. 3 Total Capacitance vs. Reverse Voltage
200
SDM03U40
100n
10n
1n
0 5 10 15 20 25 30 35
VR, INSTANTANEOUS REVERSE VOLTAGE (V)
Fig. 2 Typical Reverse Characteristics
10
5
2
1
0.5
0.2
0.1
0 4 8 12 16 20 24 28
IF, FORWARD CURRENT (mA)
Fig. 4 Typical Reverse Recovery Time Characteristics
150
100
50
0
0 25 50 75 100 125
TA, AMBIENT TEMPERATURE (°C)
Fig. 5 Power Derating Curve
SDM03U40
Document number: DS30392 Rev. 9 - 2
2 of 3
www.diodes.com
January 2009
© Diodes Incorporated
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