SDM40E20L /S /C /A DUAL SURFACE MOUNT SCHOTTKY BARRIER DIODE Features Mechanical Data Very Low Forward Voltage Drop Case: SOT-23 Guard Ring Construction for Transient Protection Case Material: Molded Plastic. UL Flammability Classification Rating 94V-0 High Conductance Moisture Sensitivity: Level 1 per J-STD-020D Lead, Halogen and Antimony Free, RoHS Compliant Gree Device (Notes 4, 5 and 6) 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 SDM40E20LC SDM40E20LA SDM40E20LS Maximum Ratings T = 25C unless otherwise specified A Single phase, half wave, 60Hz, resistive or inductive load. For capacitance load, derate current by 20%. Characteristic Symbol Value Unit V Peak Repetitive Reverse Voltage RRM Working Peak Reverse Voltage 20 V V RWM DC Blocking Voltage V R RMS Reverse Voltage V 14 V R(RMS) Forward Continuous Current (Note 1) I 0.4 A FM Non-Repetitive Peak Forward Surge Current I 2 A FSM 8.3ms single half sine-wave superimposed on rated load Thermal Characteristics Characteristic Symbol Value Unit Power Dissipation (Note 1) 225 mW P D (Note 2) 300 Typical Thermal Resistance Junction to Ambient (Note 1) 444 R C/W JA (Note 2) 333 Operating and Storage Temperature Range T T -65 to +125 C J, STG Electrical Characteristics T = 25C unless otherwise specified A Characteristic Symbol Min Typ Max Unit Test Conditions Reverse Breakdown Voltage (Note 3) V 20 V I = 0.5mA (BR)R R 0.310 I = 0.1A F Forward Voltage Drop V V F 0.430 I = 0.5A F V = 10V 100 R Leakage Current (Note 3) I A R 250 V = 20V R Total Capacitance 120 pF C f = 1MHz, V = 0VDC T R 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. sGree policy can be found on our website at SDM40E20L /S /C /A 10 10,000 1000 1 100 10 0.1 1 0.1 0.01 0.01 0.001 0.001 0.2 0.4 0.6 0.8 1.0 0 0 10 20 V , INSTANTANEOUS FORWARD VOLTAGE (V) V , INSTANTANEOUS REVERSE VOLTAGE (V) F R Fig. 1 Typical Forward Characteristics, Per Element Fig. 2 Typical Reverse Characteristics, Per Element 0.40 f = 1.0MHz 0.30 0.20 60 40 0.10 20 0 0 0 5 10 15 20 05250 75100 125150 V , DC REVERSE VOLTAGE (V) T , AMBIENT TEMPERATURE (C) R A Fig. 3 Total Capacitance vs. Reverse Voltage, Per Element Fig. 4 Forward Current Derating Curve, Per Element Ordering Information (Note 7) Part Number Case Packaging SDM40E20LS-7-F SOT-23 3000/Tape & Reel SDM40E20LC-7 SOT-23 3000/Tape & Reel SDM40E20LA-7 SOT-23 3000/Tape & Reel Notes: 7. For packaging details, go to our website at