BAS19 / BAS20 / BAS21 SURFACE MOUNT FAST SWITCHING DIODE POWER SEMICONDUCTOR Features * * * * Fast Switching Speed Surface Mount Package Ideally Suited for Automatic Insertion For General Purpose Switching Applications High Conductance SOT-23 A Mechanical Data * * * * * * * B Case: SOT-23, Molded Plastic Terminals: Solderable per MIL-STD-202, Method 208 Polarity: See Diagram BAS19 Marking: A8, KA8 BAS20 Marking: A81, KT2 BAS21 Marking: A82, KT3 Weight: 0.008 grams (approx.) C TOP VIEW E D G H M K J L Dim Min Max A 0.37 0.51 B 1.19 1.40 C 2.10 2.50 D 0.89 1.05 E 0.45 0.61 G 1.78 2.05 H 2.65 3.05 0.15 J 0.013 K 0.89 1.10 L 0.45 0.61 M 0.076 0.178 All Dimensions in mm Maximum Ratings @ TA = 25C unless otherwise specified Characteristic Symbol BAS19 BAS20 BAS21 Unit Repetitive Peak Reverse Voltage VRRM 120 200 250 V Working Peak Reverse Voltage DC Blocking Voltage VRWM VR 100 150 200 V VR(RMS) 71 106 141 V RMS Reverse Voltage Forward Continuous Current (Note 1) IFM 400 mA Average Rectified Output Current (Note 1) IO 200 mA Non-Repetitive Peak Forward Surge Current @ t = 1.0s @ t = 1.0s IFSM 2.5 0.5 A Repetitive Peak Forward Surge Current IFRM 625 mA Pd 250 mW RJA 500 K/W Tj , TSTG -65 to +150 C Power Dissipation Thermal Resistance Junction to Ambient Air (Note 1) Operating and Storage Temperature Range Electrical Characteristics Characteristic @ TA = 25C unless otherwise specified Symbol Min Max Unit Maximum Forward Voltage VFM 1.0 1.25 V IF = 100mA IF = 200mA Maximum Peak Reverse Current @ Rated DC Blocking Voltage IRM 100 15 nA A Tj = 25C Tj = 100C Junction Capacitance Cj 5.0 pF VR = 0, f = 1.0MHz ns IF = IR = 30mA, Irr = 0.1 x IR, RL = 100 Reverse Recovery Time Note: trr 50 Test Condition 1. Valid provided that terminals are kept at ambient temperature. DS12004 Rev. J-2 1 of 2 BAS19 / BAS20 / BAS21 100 Tj = 25C 100 IR, LEAKAGE CURRENT (A) IF, INSTANTANEOUS FORWARD CURRENT (mA) 1000 10 1.0 0.1 0.01 10 1 0.1 0.01 0 1 2 VF, INSTANTANEOUS FORWARD VOLTAGE (V) Fig. 1 Forward Characteristics DS12004 Rev. J-2 2 of 2 0 100 200 Tj, JUNCTION TEMPERATURE (C) Fig. 2 Leakage Current vs Junction Temperature BAS19 / BAS20 / BAS21