BY448(1998) View Datasheet(PDF) - Vishay Semiconductors
Part Name
Description
View to exact match
BY448 Datasheet PDF : 3 Pages
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Silicon Mesa Rectifiers
Features
D Glass passivated junction
D Hermetically sealed package
BY448.BY458
Vishay Telefunken
Applications
High voltage rectifier
Efficiency diode in horizontal deflection circuits
94 9539
Absolute Maximum Ratings
Tj = 25_C
Parameters
Test Conditions
Reverse voltage
Peak forward surge current
Average forward current
Junction temperature
Storage temperature range
tp=10ms,
half sinewave
Type Symbol
Value
Unit
BY448
VR
1500
V
BY458
VR
1200
V
IFSM
30
A
IFAV
2
A
Tj
140
°C
Tstg
–55...+150
°C
Maximum Thermal Resistance
Tj = 25_C
Parameter
Test Conditions
Symbol
Value
Unit
Junction ambient
on PC board with spacing 25mm
RthJA
100
K/W
Electrical Characteristics
Tj = 25_C
Parameter
Test Conditions
Forward voltage
Reverse current
Total reverse recovery time
IF=3A
VR=VRSM
VR=VRSM, Tj=140°C
IF=1A, diF/dt=0.05A/ms
Type
Symbol Min Typ Max Unit
VF
1.6 V
IR
3 mA
IR
140 mA
trr
20 ms
Document Number 86006
Rev. 2, 24-Jun-98
www.vishay.de • FaxBack +1-408-970-5600
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