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| BAS19 / BAS20 / BAS21 SURFACE MOUNT FAST SWITCHING DIODE Features * * * * * * * * * * * * * Fast Switching Speed Surface Mount Package Ideally Suited for Automatic Insertion For General Purpose Switching Applications High Conductance Case: SOT-23, Molded Plastic Terminals: Solderable per MIL-STD-202, Method 208 Case material - UL Flammability Rating Classification 94V-0 Moisture sensitivity: Level 1 per J-STD-020A Polarity: See Diagram BAS19 Marking: KA8, KT3, KT2 BAS20 Marking: KT2, KT3 BAS21 Marking: KT3 Weight: 0.008 grams (approx.) SOT-23 Dim A A Min 0.37 1.20 2.30 0.89 0.45 1.78 2.80 0.013 0.903 0.45 0.85 0 Max 0.51 1.40 2.50 1.03 0.60 2.05 3.00 0.10 1.10 0.61 0.80 8 B C B C Mechanical Data TOP VIEW D E G H J E D G H K J L M K L M a All Dimensions in mm Maximum Ratings @ TA = 25C unless otherwise specified Characteristic Repetitive Peak Reverse Voltage Working Peak Reverse Voltage DC Blocking Voltage RMS Reverse Voltage Forward Continuous Current Average Rectified Output Current Non-Repetitive Peak Forward Surge Current @ t = 1.0ms @ t = 1.0s Repetitive Peak Forward Surge Current Power Dissipation (Note 1) Thermal Resistance Junction to Ambient Air (Note 1) Operating and Storage Temperature Range Symbol VRRM VRWM VR VR(RMS) IFM IO IFSM IFRM Pd RqJA Tj , TSTG BAS19 120 100 71 BAS20 200 150 106 400 200 2.5 0.5 625 250 500 -65 to +150 BAS21 250 200 141 Unit V V V mA mA A mA mW C/W C Electrical Characteristics Characteristic Reverse Breakdown Voltage (Note 2) @ TA = 25C unless otherwise specified Symbol BAS19 BAS20 BAS21 V(BR)R VFM IRM CT trr Min 3/4 3/4 3/4 Max 120 200 250 1.0 1.25 100 15 5.0 50 Unit V V nA mA pF ns Test Condition IR = 100mA IF = 100mA IF = 200mA Tj = 25C Tj = 100C VR = 0, f = 1.0MHz IF = IR = 30mA, Irr = 0.1 x IR, RL = 100W Forward Voltage (Note 2) Reverse Current @ Rated DC Blocking Voltage (Note 2) Total Capacitance Reverse Recovery Time Note: 3/4 3/4 1. Part mounted on FR-4 board with recommended pad layout, which can be found on ourwebsite at http://www.diodes.com/datasheets/ap02001.pdf. 2. Short duration pulse test used to minimize self-heating effect. DS12004 Rev. 12 - 2 1 of 2 BAS19 / BAS20 / BAS21 IF, INSTANTANEOUS FORWARD CURRENT (mA) 1000 Tj = 25C 100 IR, LEAKAGE CURRENT (A) 0 1 2 100 10 10 1 1.0 0.1 0.1 0.01 VF, INSTANTANEOUS FORWARD VOLTAGE (V) Fig. 1 Forward Characteristics 0.01 0 100 200 Tj, JUNCTION TEMPERATURE (C) Fig. 2 Leakage Current vs Junction Temperature Ordering Information (Note 3) Device BAS19-7 BAS20-7 BAS21-7 Notes: Packaging SOT-23 Shipping 3000/Tape & Reel 3. For Packaging Details, go to our website at http://www.diodes.com/datasheets/ap02007.pdf. Marking Information XXX XXX = Product Type Marking Code (See Page 1) YM = Date Code Marking Y = Year ex: N = 2002 M = Month ex: 9 = September Date Code Key Year Code Month Code Jan 1 1998 J Feb 2 1999 K March 3 Apr 4 2000 L May 5 2001 M Jun 6 Jul 7 2002 N Aug 8 Sep 9 2003 P Oct O Nov N 2004 R Dec D DS12004 Rev. 12 - 2 YM 2 of 2 BAS19 / BAS20 / BAS21 |
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