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BYW178 Datasheet(PDF) 1 Page - Vishay Siliconix

Part No. BYW178
Description  Very Fast Silicon Mesa Rectifier
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Maker  VISHAY [Vishay Siliconix]
Homepage  http://www.vishay.com
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BYW178 Datasheet(HTML) 1 Page - Vishay Siliconix

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


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