TRANSYS ELECTRONICS LIMITED BAS31 DUAL SURFACE MOUNT SWITCHING DIODE Features Fast Switching Speed SOT-23 Raece Mount Fackage Ideally Suited for Dim | Min | Max For General Purpose Switching Applications | 1a _ A 0.37 | 0.51 High Conductance UT] t Bo | 119 | 140 Cc 2.10 2.50 A 4 t D 0.89 | 1.05 Mechanical Data [ [ror vew E | 045 | 0.61 _ ve Case: SOT-23, Molded Plastic cL ke G_ | 178 | 2.05 Terminals: Solderable per MIL-STD-202, H | 2.65 | 3.05 Method 208 J 0.013 | 0.15 Polarity: See Diagram { | M K 0.89 | 1.10 Weight: 0.008 grams (approx.) YEW + + L 045 | 061 Ie Y M 0.076 | 0.178 All Dimensions in mm Maximum Ratings @ Ta= 25 C unless otherwise specified Characteristic Symbol BAS31 Unit Non-Repetitive Peak Reverse Voltage Vrm 100 Vv Peak Repetitive Reverse Voltage VraMm Working Peak Reverse Voltage Vawa 75 V DC Blocking Voltage VR RMS Reverse Voltage VriRMs) 53 Vv Forward Continuous Current (Note 1) le 500 mA Average Rectified Output Current (Note 1) lo 250 mA Non-Repetitive Peak Forward Surge Current @t=1.0 s lesm 4.0 A @t=1.0s 2.0 Power Dissipation (Note 1) Pg 350 mw Thermal Resistance Junction to Ambient Air (Note 1) Rua 357 K/W Operating and Storage Temperature Range Tj, Tste -65 to +150 Cc Electrical Characteristics @ Ta= 25 C unless otherwise specified Characteristic Symbol Min Max Unit Test Condition 0.62 0.72 IF = 5.0mMA Maximum Forward Voltage Vem 0.8 Vv _ _ joOnA 1.25 lr = 150MA 2.5 A VR = 75V Maximum Peak Reverse Current IRM 30 a vi _ BEV v _ 120 c 25 nA VrR=20V Junction Capacitance Cj 2.0 pF Vr = 0, f= 1.0MHz Reverse Recovery Time ter 4.0 ns r= pe oma, - 400 Notes: 1. Valid provided that terminals are kept at ambient temperature. IE, INSTANTANEOUS FORWARD CURRENT (mA) 1000 100 10 1.0 0.1 0.01 0 { Ve, INSTANTANEOUS FORWARD VOLTAGE (V) Fig. 1 Forward Characteristics 2 Ip, LEAKAGE CURRENT (nA) 10,000 1000 100 10 100 200 T;, JUNCTION TEMPERATURE (C) Fig. 2 Leakage Current vs Junction Temperature