LESHAN RADIO COMPANY, LTD. Switching diode L1SS400T1 • Applications High speed switching • Features 1) Extremely small surface mounting type. 1 2) High Speed. 3) High reliability. •Construction Silicon epitaxial planar 2 SOD - 523 1 CATHODE 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 2 ANODE 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 – Unit V V mA mA mA °C °C Typ. – – 0.72 Max. 1.2 0.1 3.0 Unit V µA pF Conditions I F=100mA VR=80V VR=0.5V , f=1MHz – 4 ns VR=6V , IF=10mA , RL=100 Ω L1SS400T1–1/3 LESHAN RADIO COMPANY, LTD. L1SS400T1 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 L1SS400T1–2/3 LESHAN RADIO COMPANY, LTD. L1SS400T1 SC-79/SOD-523 A C HE V M A D 0.5 0 A 1mm scale E b p DIMENSIONS (mm are the original dimensions) UNIT mm A b p c D E H E 0.7 0.35 0.2 1.3 0.9 1.7 0.5 0.25 0.1 1.1 0.7 1.5 V 0.15 Note 1. The marking bar indicates the cathode. OUTLINE VERSION SOD523 REFERENCES IEC JEDEC EIAJ SC-79 EUROPEAN PROJECTION ISSUE DATE 98-11-25 L1SS400T1 –3/3