BYT78
BYT78 is Fast Silicon Mesa Rectifiers manufactured by Vishay.
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 m J tp=10ms, half sinewave Tamb 45°C x
I(BR)R=400m A, inductive load L=120m H
Maximum Thermal Resistance
Tj = 25_C Parameter Junction ambient Test Conditions l=10mm, TL=constant on PC board with spacing 37.5mm Symbol Rth JA Rth JA 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, i R=0.25A Type Symbol VF IR IR trr Min Typ 1.0 1 60 Max 1.1 5 150 300 Unit V m A m A ns
Document Number 86034 Rev. 3, 07-Dec-99
.vishay.de
- Fax Back +1-408-970-5600 1 (4)
BYT77.BYT78
Vishay Telefunken Characteristics (Tj = 25_C unless otherwise specified)
R th JA
- Therm. Resist. Junction / Ambient ( K/W ) 40 T j
- Junction Temperature (° C ) 240 200 VR RM 160 VR 120 80 Rth JA=70K/W 40 0 25 30
94 9467
20 l 10 l
0 0 5 10 15
TL=constant 20 l
- Lead Length ( mm )
94 9466
Reverse / Repetitive Peak Reverse Voltage ( V )
Figure 1. Max. Thermal Resistance vs. Lead...
