SDM20U40_1 DIODES | Alldatasheet

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Features

/c183Low Forward Voltage Drop /c183Guard Ring Construction for Transient Protection /c183Negligible Reverse Recovery Time /c183Low Reverse Capacitance /c183Ultra-Small Surface Mount Package /c183Lead Free By Design/RoHS Compliant (Note 1) /c183"Green" Device, Note 3 and 4 /c183Qualified to AEC-Q101 Standards for High Reliability Mechanical Data Maximum Ratings @ TA = 25/c176C unless otherwise specified Characteristic Symbol Value Unit Peak Repetitive Reverse Voltage Working Peak Reverse Voltage DC Blocking Voltage V RRM VRWM VR 40 V RMS Reverse Voltage VR(RMS) 28 V Forward Continuous Current (Note 2) IFM 250 mA Non-Repetitive Peak Forward Surge Current @ t /c1631.0s IFSM 1.0 A Operating and Storage Temperature Range Tj,T STG -65 to +125 /c176C SOD-523 Dim Min Max A 1.50 1.70 B 1.10 1.30 C 0.25 0.35 D 0.70 0.90 E 0.10 0.20 G 0.55 0.65 All Dimensions in mm BA C D G E CATHODE MARK MARKING CODE/c183Case: SOD-523 /c183Case Material: Molded Plastic, "Green" Molding Compound, Note 4. UL Flammability Classification Rating 94V-0 /c183Moisture Sensitivity: Level 1 per J-STD-020C /c183Terminal Connections: Cathode Band /c183Terminals: Finish - Matte Tin annealed over Alloy 42 leadframe. Solderable per MIL-STD-202, Method 208 /c183Marking Code: S4 /c183Ordering Information: See Last Page /c183Weight: 0.002 grams (approximate) Thermal Characteristics @ TA = 25/c176C unless otherwise specified Characteristic Symbol Value Unit Power Dissipation (Note 2) Pd 150 mW Thermal Resistance, Junction to Ambient Air (Note 2) R/c113JA 667 /c176C/W Note: 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. 4. Product manufactured with date code 0609 (week 9, 2006) and newer are built with Green Molding Compound. Product manufactured prior to date code 0609 are built with Non-Green Molding Compound and may contain Halogens or Sb2O3 Fire Retardants.

DS30393 Rev. 5 - 2 2 of 3 SDM20U40 www.diodes.com 02 5 50 75 100 125 P, P OWER DISSIPATI ON (mW) D T , AMBIENT TEMPERATURE ( C) Fig. 1 Derating Curve A ° 100 200 150 0.001 0.01 0.1 1000 100 0 200 400 600 800 V , INSTANTANEOUS FORWARD VOLTAGE (mV) Fig. 2 Typical Forward Characteristics F I , INSTANTANE OUS F ORWARD CURRENT (mA) F T= 2 5 ° CA T= 7 5 ° CA T = 125°CA T = -25°CA 1 10 20 30 40 V , INSTANTANEOUS REVERSE VOLTAGE (V) Fig.3 T ypical Reverse Characteristics R 0.001 0.01 0.1 100 1000 T= 2 5 ° CA T= 7 5 ° CA T = 125°CA T = -25°CA C, T OTAL CAPACITANCE (pF) T V , REVERSE VOLTAGE (V)R Fig. 4 Typ. Total Capacitance vs Reverse Voltage 100 0.1 1.0 01 0 2 0 3 0 4 0 f=1 M H z Note: 5. Short duration pulse test used so as to minimize self-heating effect. Characteristic Symbol Min Typ Max Unit Test Conditions Reverse Breakdown Voltage (Note 5) V(BR)R 40 /c190/c190 V IR = 10/c109A Forward Voltage Drop VF /c190/c190 0.37

0.60 V IF = 20mA

IF = 200mA Peak Reverse Current (Note 5) IR /c190/c190 5 /c109A /c109A VR = 30V VR = 10V Total Capacitance CT /c190 50 /c190 pF VR = 0V, f = 1.0MHz Reverse Recovery Time trr /c190 10 /c190 ns IF = IR = 200mA, Irr = 0.1 x IR,R L = 100/c87 Electrical Characteristics @ TA = 25/c176C unless otherwise specified

DS30393 Rev. 5 - 2 3 of 3 SDM20U40 www.diodes.com Ordering Information (Note 4 & 6) Device Packaging Shipping SDM20U40-7 SOD-523 3000/Tape & Reel Note: 4. Product manufactured with date code 0609 (week 9, 2006) and newer are built with Green Molding Compound. Product manufactured prior to date code 0609 are built with Non-Green Molding Compound and may contain Halogens or Sb2O3 Fire Retardants. IMPORTANT NOTICE LIFE SUPPORT Diodes Incorporated and its subsidiaries reserve the right to make modifications, enhancements, improvements, corrections or other changes without further notice to any product herein. Diodes Incorporated does not assume any liability arising out of the application or use of any product described herein;neither does it convey any license under its patent rights, nor the rights of others. The user of products in such applications shall assume all risks of such useand will agree to hold Diodes Incorporated and all the companies whose products are represented on our website, harmless against all damages. Diodes Incorporated products are not authorized for use as critical components in life support devices or systems without the expressed written approval of the President of Diodes Incorporated.