BAS19 / BAS20 / BAS21 SURFACE MOUNT FAST SWITCHING DIODE Please click here to visit our online spice models database. Features • • • • • • Mechanical Data • • Fast Switching Speed Surface Mount Package Ideally Suited for Automated Insertion For General Purpose Switching Applications High Conductance Lead, Halogen and Antimony Free, RoHS Compliant “Green” Device (Notes 3 and 4) Qualified to AEC-Q101 Standards for High Reliability • • • • • • • • • Case: SOT-23 Case Material: Molded Plastic. UL Flammability Classification Rating 94V-0 Moisture Sensitivity: Level 1 per J-STD-020D Terminals: Solderable per MIL-STD-202, Method 208 Lead Free Plating (Matte Tin Finish annealed over Alloy 42 leadframe). Polarity: See Diagram BAS19 Marking: KA8, KT3; KT2 - See Page 2 BAS20 Marking: KT2, KT3 - See Page 2 BAS21 Marking: KT3 - See Page 2 Ordering Information: See Page 2 Weight: 0.008 grams (approximate) SOT-23 TOP VIEW Internal Schematic TOP VIEW Maximum Ratings @TA = 25°C unless otherwise specified Characteristic Repetitive Peak Reverse Voltage Working Peak Reverse Voltage DC Blocking Voltage RMS Reverse Voltage Forward Continuous Current (Note 1) Average Rectified Output Current (Note 1) Non-Repetitive Peak Forward Surge Current Symbol VRRM VRWM VR VR(RMS) IFM IO @ t = 1.0μs @ t = 1.0s Repetitive Peak Forward Surge Current (Note 1) BAS19 120 BAS20 200 BAS21 250 Unit V 100 150 200 V 71 106 400 200 2.5 0.5 625 141 V mA mA IFSM IFRM A mA Thermal Characteristics Characteristic Power Dissipation (Note 1) Thermal Resistance Junction to Ambient Air (Note 1) Operating and Storage Temperature Range Electrical Characteristics Symbol PD RθJA TJ , TSTG Value 250 500 -65 to +150 Unit mW °C/W °C @TA = 25°C unless otherwise specified Characteristic Reverse Breakdown Voltage (Note 2) Symbol BAS19 BAS20 BAS21 V(BR)R Min 120 200 250 Max Unit ⎯ V Forward Voltage VF ⎯ 1.0 1.25 V Reverse Current @ Rated DC Blocking Voltage (Note 2) IR ⎯ 100 15 nA μA Total Capacitance CT ⎯ 5.0 pF Reverse Recovery Time trr ⎯ 50 ns Notes: Test Condition IR = 100μA IF = 100mA IF = 200mA TJ = 25°C TJ = 100°C VR = 0, f = 1.0MHz IF = IR = 30mA, Irr = 0.1 x IR, RL = 100Ω 1. 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. 2. Short duration pulse test used to minimize self-heating effect. 3. No purposefully added lead. Halogen and Antimony Free. 4. Product manufactured with Data Code V9 (week 33, 2008) and newer are built with Green Molding Compound. Product manufactured prior to Date Code V9 are built with Non-Green Molding Compound and may contain Halogens or Sb2O3 Fire Retardants. BAS19 / BAS20 / BAS21 Document number: DS12004 Rev. 20 - 2 1 of 3 www.diodes.com June 2008 © Diodes Incorporated BAS19 / BAS20 / BAS21 IF , INSTANTANEOUS FORWARD CURRENT (A) 250 PD, POWER DISSIPATION (mW) Note 1 200 150 100 50 0 160 80 40 120 TA, AMBIENT TEMPERATURE (°C) Fig. 1 Power Derating Curve 200 0.1 0.01 0.001 0 0.2 0.4 0.8 1.0 0. 6 1.2 1.4 VF, INSTANTANEOUS FORWARD VOLTAGE (V) Fig. 2 Typical Forward Characteristics 4.0 100 3.5 10 CT, TOTAL CAPACITANCE (pF) IR, INSTANTANEOUS REVERSE VOLTAGE (μA) 0 1 1 0.1 0.01 0.001 2.5 2.0 1.5 1.0 0.5 0.0 0 0.0001 0 150 200 50 100 250 VR, INSTANTANEOUS REVERSE VOLTAGE (V) Fig. 3 Typical Reverse Characteristics Ordering Information 10 30 40 20 VR, DC REVERSE VOLTAGE (V) Fig. 4 Total Capacitance vs. Reverse Voltage (Note 5) Part Number BAS19-7-F BAS20-7-F BAS21-7-F Notes: 3.0 Case SOT-23 SOT-23 SOT-23 Packaging 3000/Tape & Reel 3000/Tape & Reel 3000/Tape & Reel 5. For packaging details, go to our website at http://www.diodes.com/datasheets/ap02007.pdf. Marking Information Date Code Key Year Code 2000 L 2001 M 2002 N KXX = Product Type Marking Code (See Page 1) YM = Date Code Marking Y = Year ex: N = 2002 M = Month ex: 9 = September YM KXX 2003 P 2004 R 2005 S 2006 T 2007 U 2008 V 2009 W 2010 X 2011 Y 2012 Z Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Code 1 2 3 4 5 6 7 8 9 O N D BAS19 / BAS20 / BAS21 Document number: DS12004 Rev. 20 - 2 2 of 3 www.diodes.com June 2008 © Diodes Incorporated BAS19 / BAS20 / BAS21 Package Outline Dimensions A SOT-23 Dim Min Max A 0.37 0.51 B 1.20 1.40 C 2.30 2.50 D 0.89 1.03 F 0.45 0.60 G 1.78 2.05 H 2.80 3.00 J 0.013 0.10 K 0.903 1.10 L 0.45 0.61 M 0.085 0.180 0° 8° α All Dimensions in mm B C TOP VIEW G H K M J D F L Suggested Pad Layout Y Z C X Dimensions Value (in mm) Z 2.9 X 0.8 Y 0.9 2.0 C 1.35 E E IMPORTANT NOTICE 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 use and will agree to hold Diodes Incorporated and all the companies whose products are represented on our website, harmless against all damages. LIFE SUPPORT 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. BAS19 / BAS20 / BAS21 Document number: DS12004 Rev. 20 - 2 3 of 3 www.diodes.com June 2008 © Diodes Incorporated