Diodes SMD Type Ultra High Speed Switching Applications 1SS309 Unit: mm 4 5 Features Low forward voltage: VF (3) = 0.90V (typ.) Fast reverse recovery time:trr = 1.6ns(typ.) 1 Small total Capacitance:CT = 0.9pF(typ.) 2 3 Absolute M axim um R atings T a = 25 P aram eter M axim um (peak) reverse voltage S ym bol Rating Unit V RM 85 V Reverse voltage VR 80 V M axim um (peak) forward current I FM 300 (1) mA A verage forward current IO 100 (1) mA S urge current (10 m s) I FSM P ower dissipation P Junction tem perature S torage tem perature range 2 (1) 200 Tj 125 T stg -55 to +125 A mW Note 1.Unit Rating.Total Rating = Unit Rating 1.5 Electrical C haracteristics T a = 25 P aram eter S ym bol C onditions M in Typ M ax U nit V F (1) IF = 1 m A 0.60 V F (2) I F = 10 m A 0.72 V F (3) I F = 100 m A 0.92 I R (1) V R = 30 V 0.1 I R (2) V R = 80 V 0.5 Total capacitance CT V R =0 V ,f=1 M H z 0.9 3.0 pF R everse recovery tim e t rr I F = 10 m A 1.6 4.0 ns Forward voltage R everse current V 1.20 A Marking Marking A2 www.kexin.com.cn 1