BYW178

BYW178 Vishay Telefunken Very Fast Silicon Mesa Rectifier Features D D D D D D Glass passivated junction Hermetically sealed package Low reverse current Soft recovery characteristics Very fast reverse recovery time Low reverse recovery peak current Applications Ultra fast rectifier for switching mode power supplies 94 9588 Absolute Maximum Ratings Tj = 25_C Parameter Reverse voltage =Repetitive peak reverse voltage Peak forward surge current Repetitive peak forward current Average forward current Junction and storage temperature range Test Conditions Type Symbol VR=VRRM IFSM IFRM IFAV Tj=Tstg Value 800 80 15 3 –55...+175 Unit V A A A °C tp=10ms, half sinewave Maximum Thermal Resistance Tj = 25_C Parameter Junction lead Junction ambient Tj = 25_C Parameter Forward voltage Reverse current Test Conditions IF=3A VR=VRRM VR=VRRM, Tj=100°C Reverse recovery current IF=1A, diF/dt –50A/ms, VBatt=200V Reverse recovery time IF=1A, diF/dt –50A/ms, VBatt=200V,iR=0.25xIRM Reverse recovery time (JEDEC) IF=0.5A, IR=1A, iR=0.25A Type Symbol VF IR IR IRM trr trr Min Typ Max 1.9 1 20 Unit V mA mA A ns 60 ns Test Conditions l=10mm, TL=constant on PC board with spacing 37.5mm Symbol RthJL RthJA Value 25 70 Unit K/W K/W Electrical Characteristics x x 2.2 50 Document Number 86047 Rev. 2, 24-Jun-98 www.vishay.de FaxBack +1-408-970-5600 1 (4) BYW178 Vishay Telefunken Characteristics (Tj = 25_C unless otherwise specified) R thJA – Therm. Resist. Junction / Ambient ( K/W ) 40 I FAV– Avera...