BYT78

BYT77.BYT78 Vishay Telefunken Fast Silicon Mesa Rectifiers Features D D D D D Glass passivated junction Hermetically sealed package Low reverse current Soft recovery characteristics Controlled avalanche characteristics Applications Fast ”soft recovery” rectifier 94 9588 Absolute Maximum Ratings Tj = 25_C Parameter Reverse voltage g Peak forward surge current Average forward current Junction and storage temperature range Non repetitive reverse avalanche energy Test Conditions Type BYT77 BYT78 Symbol VR VR IFSM IFAV Tj=Tstg ER Value 800 1000 100 3 –65...+175 15 Unit V V A A °C mJ tp=10ms, half sinewave Tamb 45°C x I(BR)R=400mA, inductive load L=120mH Maximum Thermal Resistance Tj = 25_C Parameter Junction ambient Test Conditions l=10mm, TL=constant on PC board with spacing 37.5mm Symbol RthJA RthJA Value 25 70 Unit K/W K/W Electrical Characteristics Tj = 25_C Parameter Forward voltage Reverse current Reverse recovery time Test Conditions IF=3A VR VR, Tj=150°C IF=0.5A, IR=1A, iR=0.25A Type Symbol VF IR IR trr Min Typ 1.0 1 60 Max 1.1 5 150 300 Unit V mA mA ns Document Number 86034 Rev. 3, 07-Dec-99 www.vishay.de FaxBack +1-408-970-5600 1 (4) BYT77.BYT78 Vishay Telefunken Characteristics (Tj = 25_C unless otherwise specified) R thJA – Therm. Resist. Junction / Ambient ( K/W ) 40 T j – Junction Temperature (° C ) 240 200 VR RM 160 VR 120 80 RthJA=70K/W 40 0 25 30 94 9467 30 20 l 10 l 0 0 5 10 15 TL=constant 20 l – Lead Length ( mm ) 0 200 400 600 800 1000 ...