LESHAN RADIO COMPANY, LTD. Switching diode L1SS400CST1G • Applications High speed switching • Features 1) Extremely small surface mounting type. 1 2) High Speed. 3) High reliability. 2 • Construction Silicon epitaxial planar SOD - 923 • We declare that the material of product compliance with RoHS requirements. 1 CATHODE • Device Marking L1SS400CST1G=3 ABSOLUTE MAXIMUM RATINGS (Ta = 25°C) Parameter Symbol Peak reverse voltage VRM DC reverse voltage VR Peak forward current I FM Mean rectifying current IO Surge current (1s) I surge Junction temperature Tj Storage temperature Tstg Limits 90 80 225 100 500 125 – 55 ~ +125 ELECTRICAL CHARACTERISTICS (Ta = 25°C) Parameter Symbol Min. Forward voltage VF – Reverse current IR – Capacitance between terminals CT – Reverse recovery time trr – Typ. – – 0.72 – 2 ANODE Unit V V mA mA mA °C °C Max. 1.2 0.1 3.0 4 Unit V µA pF n Conditions I F=100mA VR=80V VR=0.5V , f=1MHz VsR=6V , IF=10mA , RL=100 Ω ORDRING INFORMATION Device Marking Shipping L1SS400CST1G 3 3000/Tape&Reel L1SS400CST3G 3 10000/Tape&Reel 1/3 LESHAN RADIO COMPANY, LTD. L1SS400CST1G ELECTRICAL CHARACTERISTIC CURVES (Ta = 25°C) 1m 1 FORWARD CURRENT : IF (A) 0.1m REVERSE CURRENT : IR (A) 100m 10m 1m 100µ 10µ 1µ 100n 10n 1n 10µ 0.2 0.4 0.6 0.8 1.0 1.2 0 1.4 20 40 60 80 100 FORWARD VOLTAGE : VF (V) REVERSE VOLTAGE : VR (V) Fig.1 Forward characteristics Fig.2 Reverse characteristics 10 120 3 5 REVERSE RECOVERY TIME : trr (ns) CAPACITANCE BETWEEN TERMINALS : CT (pF) 0 2 1 0.5 0.2 2 1 0 0.1 0 2 4 6 8 10 12 14 REVERSE VOLTAGE : VR (V) Fig.3 Capacitance between terminals 0 10 20 30 FORWARD CURRENT : I F (mA) Fig.4 Reverse recovery time characteristics 100 SURGE CURRENT : Isurge (A) 50 0.01µF D.U.T. 20 10 PULSE GENERATOR OUTPUT 50Ω 5kΩ 50Ω SAMPLING OSCILLOSCOPE 5 2 Fig.6 Reverse recovery time (trr) measurement circuit 1 0.1 1 10 100 1000 10,000 PULSE WIDTH : TW (ms) Fig.5 Surge current characteristics 2/3 LESHAN RADIO COMPANY, LTD. L1SS400CST1G SOD−923 D −X− −Y− E 1 b DIM A b c D E HE L 2 2X 0.08 (0.0032) X Y A c MILLIMETERS MIN NOM MAX 0.34 0.39 0.43 0.15 0.20 0.25 0.07 0.12 0.17 0.75 0.80 0.85 0.55 0.60 0.65 0.95 1.00 1.05 0.05 0.10 0.15 MIN 0.013 0.006 0.003 0.030 0.022 0.037 0.002 INCHES NOM 0.015 0.008 0.005 0.031 0.024 0.039 0.004 MAX 0.017 0.010 0.007 0.033 0.026 0.041 0.006 L HE SOLDERING FOOTPRINT* 1.1 0.043 0.45 0.0177 0.50 0.0197 SCALE 10:1 mm Ǔ ǒinches 3/3