Diodes SMD Type ULTRA HIGH SPEED SWITCHING APPLICATION 1SS344 SOT-23 Unit: mm +0.1 2.9-0.1 +0.1 0.4-0.1 +0.1 1.3-0.1 +0.1 2.4-0.1 Features 0.4 3 1 Fast reverse recovery time: trr = 20ns(Typ). 0.55 Low forward voltage: VF(3) = 0.50V(Typ). 2 +0.1 0.95-0.1 +0.1 1.9-0.1 +0.05 0.1-0.01 0-0.1 +0.1 0.38-0.1 +0.1 0.97-0.1 High average forward current: IO = 0.5A(Max). 1.Base 2.Emitter 3.collector Absolute M axim um Ratings Ta = 25 Param eter Sym bol Rating Unit V RM 25 V Reverse Voltage VR 20 V Maxim um (Peak) Forward Current I FM 1500 mA Average Rectified Current IO 500 mA Maxim um (Peak) Reverse Voltage I FSM 5 A Power Dissipation P 200 mW Junction Tem perature Tj 125 Storage Tem perature Range T stg -55 to +125 Poerating Tem perature T opr -40 to +100 Surge Current (10 m s) Electrical Characteristics Ta = 25 Parameter Continuous reverse voltage Symbol VF Test Conditions Min Typ IF = 10 mA 0.30 IF = 100 mA 0.38 IF = 500 mA 0.50 Max Unit V 0.55 IR VR = 30 V 20 IR VR = 80 V 100 capacitance Ct VR = 0, f = 1.0 MHz 120 pF Reverse recovery time trr IF = 30 mA 20 ns Reverse current A Marking Marking H9 www.kexin.com.cn 1