BAS31 DUAL SURFACE MOUNT 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 B Mechanical Data * * * * * Case: SOT-23, Molded Plastic Terminals: Solderable per MIL-STD-202, Method 208 Polarity: See Diagram Marking: K21 Weight: 0.008 grams (approx.) C Dim Min Max A 0.37 0.51 B 1.19 1.40 C 2.10 2.50 D 0.89 1.05 TOP VIEW E 0.45 0.61 D G 1.78 2.05 H 2.65 3.05 J 0.013 0.15 K 0.89 1.10 E G H M K J L L 0.45 0.61 M 0.076 0.178 All Dimensions in mm Maximum Ratings @ TA = 25C unless otherwise specified Characteristic Symbol BAS31 Unit VRM 100 V VRRM VRWM VR 75 V Non-Repetitive Peak Reverse Voltage Peak Repetitive Reverse Voltage Working Peak Reverse Voltage DC Blocking Voltage VR(RMS) 53 V Forward Continuous Current (Note 1) IFM 500 mA Average Rectified Output Current (Note 1) IO 250 mA IFSM 4.0 2.0 A RMS Reverse Voltage Non-Repetitive Peak Forward Surge Current @ t = 1.0s @ t = 1.0s Pd 350 mW RJA 357 K/W Tj , TSTG -65 to +150 C Power Dissipation (Note 1) 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 Test Condition Maximum Forward Voltage VFM 0.62 0.72 0.855 1.0 1.25 V Maximum Peak Reverse Current IRM 2.5 50 30 25 A A A nA IF = 5.0mA IF = 10mA IF = 100mA IF = 150mA VR = 75V VR = 75V, Tj = 150C VR = 25V, Tj = 150C VR = 20V Junction Capacitance Cj 2.0 pF VR = 0, f = 1.0MHz Reverse Recovery Time trr 4.0 ns IF = IR = 10mA, Irr = 0.1 x IR, RL = 100 Notes: 1. Valid provided that terminals are kept at ambient temperature. DS11016 Rev. C-2 1 of 2 BAS31 10,000 100 IR, LEAKAGE CURRENT (nA) IF, INSTANTANEOUS FORWARD CURRENT (mA) 1000 10 1.0 0.1 1000 100 10 VR = 20V 1 0.01 0 1 2 VF, INSTANTANEOUS FORWARD VOLTAGE (V) Fig. 1 Forward Characteristics DS11016 Rev. C-2 2 of 2 0 100 200 Tj, JUNCTION TEMPERATURE (C) Fig. 2 Leakage Current vs Junction Temperature BAS31