View mbrs190tr datasheet:

Bulletin PD-20592 rev. B 02/02 MBRS190TR MBRS1100TR SCHOTTKY RECTIFIER 1 Amp SMB Major Ratings and Characteristics Description/Features MBR190TR The MBRS190TR, MBRS1100TR surface-mount Schottky Characteristics Units rectifier has been designed for applications requiring low forward MBR1100TR drop and very small foot prints on PC boards. Typical IF(AV) Rectangular waveform 1.0 A applications are in disk drives, switching power supplies, converters, free-wheeling diodes, battery charging, and reverse battery protection. VRRM 90 - 100 V Small foot print, surface mountable IFSM @ tp = 5 µs sine 870 A Low forward voltage drop High frequency operation VF @ 1.0 Apk, TJ=125°C 0.63 V Guard ring for enhanced ruggedness and long term reliability TJ range - 55 to 175 °C CATHOD