BYW178 Datasheet, PDF (1/4 Pages) Vishay Siliconix – Very Fast Silicon Mesa Rectifier

Very Fast Silicon Mesa Rectifier
Features
D Glass passivated junction
D Hermetically sealed package
D Low reverse current
D Soft recovery characteristics
D Very fast reverse recovery time
D Low reverse recovery peak current
BYW178
Vishay Telefunken
Applications
94 9588
Ultra fast rectifier for switching mode power supplies
Absolute Maximum Ratings
T_j = 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
t_p=10ms,
half sinewave
Type Symbol
Value
Unit
V_R=V_RRM
800
V
I_FSM
80
A
I_FRM
15
A
I_FAV
3
A
T_j=T_stg –55...+175 °C
Maximum Thermal Resistance
T_j = 25_C
Parameter
Junction lead
Junction ambient
Test Conditions
l=10mm, T_L=constant
on PC board with spacing 37.5mm
Symbol
Value
Unit
R_thJL
25
K/W
R_thJA
70
K/W
Electrical Characteristics
T_j = 25_C
Parameter
Forward voltage
Reverse current
Reverse recovery current
Reverse recovery time
Reverse recovery time (JEDEC)
Test Conditions
I_F=3A
V_R=V_RRM
x ^{VR=VRRM, Tj=100°C}
I_F=1A, di_F/dt –50A/ms,
x ^VBatt=200V
I_F=1A, di_F/dt –50A/ms,
V_Batt=200V,i_R=0.25xI_RM
I_F=0.5A, I_R=1A, i_R=0.25A
Type Symbol Min Typ Max Unit
V_F
1.9 V
I_R
1 mA
I_R
20 mA
I_RM
2.2
A
t_rr
50
ns
t_rr
60 ns
Document Number 86047
Rev. 2, 24-Jun-98
www.vishay.de • FaxBack [phone]
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