SDM40E20LS NEW PRODUCT DUAL SURFACE MOUNT SCHOTTKY BARRIER DIODE Features · · · Very Low Forward Voltage Drop Guard Ring Construction for Transient Protection High Conductance SOT-23 A Mechanical Data · · · · · · · · B Case: SOT-23, Plastic Case material - UL Flammability Rating Classification 94V-0 Moisture sensitivity: Level 1 per J-STD-020A Polarity: See Diagram Leads: Solderable per MIL-STD-202, Method 208 Marking: Date Code and Type Code Type Code: KSW Weight: 0.004 grams (approx.) Ordering Information: See Page 3 C TOP VIEW E Dim Min Max A 0.37 0.51 B 1.20 1.40 C 2.30 2.50 D 0.89 1.03 E 0.45 0.60 G 1.78 2.05 H 2.80 3.00 D G H K J M L J 0.013 0.10 K 0.903 1.10 L 0.45 0.61 M 0.85 0.80 a 0° 8° All Dimensions in mm Maximum Ratings @ TA = 25°C unless otherwise specified Single phase, half wave, 60Hz, resistive or inductive load. For capacitive load, derate current by 20%. Characteristic Peak Repetitive Reverse Voltage Working Peak Reverse Voltage DC Blocking Voltage Symbol SDM40E20LS Unit VRRM VRWM VR 20 V VR(RMS) 14 V Forward Continuous Current (Note 1) IFM 0.4 A Non-Repetitive Peak Forward Surge Current 8.3ms single half sine-wave superimposed on rated load (JEDEC Method) IFSM 2 A Pd 225 mW RqJA 444 °C/W Pd 300 mW RqJA 333 °C/W Tj, TSTG -55 to +125 °C RMS Reverse Voltage Power Dissipation (Note 1) Typical Thermal Resistance Junction to Ambient (Note 1) Power Dissipation (Note 2) Typical Thermal Resistance Junction to Ambient (Note 2) Operating and Storage Temperature Range Electrical Characteristics @ TA = 25°C unless otherwise specified Symbol Min Typ Max Unit Test Conditions V(BR)R 20 ¾ ¾ V IR = 0.5mA Forward Voltage Drop (Note 3) VF ¾ ¾ ¾ ¾ 0.310 0.430 V IF = 0.1A IF = 0.5A Leakage Current (Note 3) IR ¾ ¾ ¾ ¾ 100 250 mA VR = 10V VR = 20V Total Capacitance CT ¾ 170 ¾ pF f = 1MHz, Vr = 0VDC Characteristic Reverse Breakdown Voltage (Note 3) Notes: 1. Device mounted on FR-5 1.0 x 0.75 x 0.062 inch PCB pad layout as shown on Diodes Inc. suggested pad layout AP02001, which can be found on our website at http://www.diodes.com/datasheets/ap02001.pdf. 2. Device mounted on Alumina PCB, 0.4 inch x 0.3 inch x 0.024 inch; pad layout as shown on Diodes Inc. suggested pad layout document AP02001, which can be found on our website at http://www.diodes.com/datasheets/ap02001.pdf. 3. Short duration test pulse used to minimize self-heating effect. DS30298 Rev. 2 - 2 1 of 3 SDM40E20LS 10 IF, INSTANTANEOUS FWD CURRENT (A) IF(AV), AVERAGE FORWARD CURRENT (A) 0.30 0.20 0.10 1.0 0.1 Tj = 25°C 0.01 0 0 50 25 100 75 125 150 0 TT, TERMINAL TEMPERATURE (°C) Fig. 1 Forward Current Derating Curve 0.2 0.4 0.6 0.8 1.0 VF, INSTANTANEOUS FORWARD VOLTAGE (V) Fig. 2 Typical Forward Characteristics 1000 1000 Tj = 25°C CT, CAPACITANCE (pF) NEW PRODUCT 0.40 100 10 0 5 10 15 20 25 VR, REVERSE VOLTAGE (V) Fig. 3 Typical Reverse Characteristics DS30298 Rev. 2 - 2 100 10 1.0 0 5 10 15 20 VR, REVERSE VOLTAGE (V) Fig. 4 Typ. Total Capacitance vs Reverse Voltage 2 of 3 SDM40E20LS Notes: Device Packaging Shipping SDM40E20LS-7 SOT-23 3000/Tape & Reel 4. For Packaging Details, go to our website at http://www.diodes.com/datasheets/ap02007.pdf. Marking Information KSW = Product Type Marking Code YM = Date Code Marking Y = Year ex: N = 2002 M = Month ex: 9 = September YM NEW PRODUCT Ordering Information (Note 4) KSW Date Code Key Year 2001 2002 2003 2004 2005 Code M N P R S Month Jan Feb March Apr May Jun Jul Aug Sep Oct Nov Dec Code 1 2 3 4 5 6 7 8 9 O N D DS30298 Rev. 2 - 2 3 of 3 SDM40E20LS