BYW178
BYW178 is Very Fast Silicon Mesa Rectifier manufactured by Vishay.
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, di F/dt
- 50A/ms, VBatt=200V Reverse recovery time IF=1A, di F/dt
- 50A/ms, VBatt=200V,i R=0.25x IRM Reverse recovery time (JEDEC) IF=0.5A, IR=1A, i R=0.25A Type Symbol VF IR IR IRM trr trr Min Typ Max 1.9 1 20 Unit V m A m A A ns 60 ns Test Conditions l=10mm, TL=constant on PC board with spacing 37.5mm Symbol Rth JL Rth JA Value 25 70 Unit K/W K/W
Electrical Characteristics x x
2.2 50
Document Number 86047 Rev. 2, 24-Jun-98
.vishay.de
- Fax Back +1-408-970-5600 1 (4)
Vishay Telefunken Characteristics (Tj = 25_C unless otherwise specified)
R th JA
- Therm. Resist. Junction / Ambient ( K/W ) 40 I FAV- Average Forward Current ( A ) 4
20 l 10 l
1 f 20k Hz 0 Rth JA=25K/W 0 40 80 L=10mm 120 160 200 v
0 0 5 10 15
TL=constant 20 25 30
94 9471
94 9570 l
- Lead Length ( mm )
Tamb
- Ambient Temperature ( °C...
