View 1ss244 datasheet:

1SS244 Diodes High-voltage switching diode 1SS244 Applications External dimensions (Units : mm) High voltage switching General purpose rectification CATHODE BAND ?0.4±0.1 Features 1) High reliability. 2) Glass sealed envelope. (MSD) ?1.8±0.2 22 Min. 2.7±0.3 22 Min. 3) VRM=250V Guaranteed. ROHM : MSD Construction JEDEC : DO - 34 Silicon epitaxial planar Absolute maximum ratings (Ta=25°C) Parameter Symbol Limits Unit Peak reverse voltage VRM 250 V DC reverse voltage VR 220 V Peak forward current IFM 625 mA Mean rectifying current IO 200 mA Surge current (1s) Isurge 1000 mA Power dissipation P 300 mW Junction temperature Tj 175 ?C Storage temperature Tstg -65~+175 ?C Cathode band colors Type Color 1SS244 BLACK Electrical characteristics (Ta=25°C) Paramet