Diotec smd rectifier diodes fastsuperfastultrafast switching diotec rgl 1 j an smd silicon rectifier diode with a 250ns reverse recovery time a vrrm of 600v and an ifav of 1a the fast reverse recovery time of this rectifier diode enables greater efficiency in switch mode power supplies and also reduces switching loss diotec rgl1j silicon rectifier diode 1a 600v