SDM40E20L_15 Datasheet, PDF (1/3 Pages) Diodes Incorporated – DUAL SURFACE MOUNT SCHOTTKY BARRIER DIODE

Features
• Very Low Forward Voltage Drop
• Guard Ring Construction for Transient Protection
• High Conductance
• Lead, Halogen and Antimony Free, RoHS Compliant
"Green" Device (Notes 4, 5 and 6)
SDM40E20L /S /C /A
DUAL SURFACE MOUNT SCHOTTKY BARRIER DIODE
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Mechanical Data
• Case: SOT-23
• Case Material: Molded Plastic. UL Flammability Classification
Rating 94V-0
• Moisture Sensitivity: Level 1 per J-STD-020D
• Polarity: See Diagram
• Leads: Solderable per MIL-STD-202, Method 208
• Terminals: SDM40E20L/S/A Finish ⎯ Matte Tin Finish
annealed over Alloy 42 leadframe.
SDM40E20LC Finish ⎯ Matte Tin Finish
annealed over CDA194 leadframe.
• Marking Information: See Page 2
• Ordering Information: See Page 2
• Weight: 0.008 grams (approximate)
Top View
SDM40E20LS
SDM40E20LC
SDM40E20LA
Maximum Ratings @T_A = 25°C unless otherwise specified
Single phase, half wave, 60Hz, resistive or inductive load.
For capacitance load, derate current by 20%.
Characteristic
Symbol
Value
Unit
Peak Repetitive Reverse Voltage
Working Peak Reverse Voltage
DC Blocking Voltage
V_RRM
V_RWM
20
V
V_R
RMS Reverse Voltage
V_R(RMS)
14
V
Forward Continuous Current (Note 1)
I_FM
0.4
A
Non-Repetitive Peak Forward Surge Current
8.3ms single half sine-wave superimposed on rated load
I_FSM
2
A
Thermal Characteristics
Power Dissipation
Characteristic
Typical Thermal Resistance Junction to Ambient
Operating and Storage Temperature Range
(Note 1)
(Note 2)
(Note 1)
(Note 2)
Symbol
P_D
R_θJA
T_J, T_STG
Value
225
300
444
333
-65 to +125
Unit
mW
°C/W
°C
Electrical Characteristics @T_A = 25°C unless otherwise specified
Characteristic
Reverse Breakdown Voltage (Note 3)
Forward Voltage Drop
Leakage Current (Note 3)
Total Capacitance
Symbol
Min
Typ
Max
Unit
V_(BR)R
20
⎯
⎯
V
V_F
⎯
⎯
⎯
⎯
0.310
0.430
V
I_R
⎯
⎯
⎯
⎯
100
250
μA
C_T
⎯
120
⎯
pF
Notes:
1. Device mounted on FR-5 1.0 x 0.75 x 0.062 inch PCB pad layout.
2. Device mounted on Alumina PCB, 0.4 inch x 0.3 inch x 0.024 inch pad layout.
3. Short duration pulse test used to minimize self-heating effect.
4. No purposefully added lead. Halogen and Antimony Free.
5. Diodes Inc.'s "Green" policy can be found on our website at http://www.diodes.com/products/lead_free/index.php.
6. Product manufactured with Green Molding Compound and does not contain Halogens or Sb₂O₃ Fire Retardants.
Test Conditions
I_R = 0.5mA
I_F = 0.1A
I_F = 0.5A
V_R = 10V
V_R = 20V
f = 1MHz, V_R = 0VDC
SDM40E20L /S /C /A
Document number: DS30298 Rev. 11 - 2
1 of 3
www.diodes.com
June 2008
© Diodes Incorporated