View mbrs320 datasheet:

Bulletin PD-20645 rev. B 03/02 MBRS320 SCHOTTKY RECTIFIER 3 Amp SMC Major Ratings and Characteristics Description/Features The MBRS320 surface-mount Schottky rectifier has been Characteristics MBRS320 Units designed for applications requiring low forward drop and small foot prints on PC boards. Typical applications are in disk drives, IF(AV) Rectangular 3.0 A switching power supplies, converters, free-wheeling diodes, waveform battery charging, and reverse battery protection. VRRM 20 V Small foot print, surface mountable Very low forward voltage drop IFSM @ t p= 5 µs sine 820 A High frequency operation Guard ring for enhanced ruggedness and long term reliability VF @ 3.0 Apk, TJ = 125°C 0.36 V TJ range - 65 to 150 °C Device Marking: IR32 2.75 (.108) 5.59 (.220) 3.15