Vishay Telefunken BYT44D, BYT44C, BYT44B, BYT44A Datasheet
Vishay Telefunken
g
R
g
R
m
Super Fast Soft Recovery Rectifier
Features
D
Miniature axial leaded
D
Glass passivated
D
Hermetically sealed glass envelope
D
Low reverse current
Applications
High frequency circuits
Freewheeling diodes in SMPS
Absolute Maximum Ratings
Tj = 25_C
Parameter Test Conditions Type Symbol Value Unit
Reverse voltage BYT44A V
=Repetitive peak reverse voltage
BYT44B
BYT44C 150 V
BYT44D 200 V
Peak forward surge current tp=8.3 ms, half sinewave I
Average forward current Lead length l = 10 mm,
TL = 25°C
Junction and storage
temperature range
=V
Tj=T
RRM
FSM
I
FAV
95 10526
R
–55...+175°C
stg
BYT44
50 V
100 V
30 A
1.5 A
Maximum Thermal Resistance
Tj = 25_C
Parameter Test Conditions Symbol Value Unit
Junction ambient Lead length l = 10 mm, TL = constant R
on PC board with spacing 25mm R
Electrical Characteristics
Tj = 25_C
Parameter Test Conditions Type Symbol Min Typ Max Unit
Forward voltage IF =1A V
Reverse current VR=V
Reverse breakdown voltage IR=100mA BYT44A V
Reverse recovery time IF=0.5A, IR=1A, iR=0.25A t
Document Number 86027
Rev. 3, 24-Jun-98
VR=V
RRM
, Tj=150°C I
RRM
BYT44B V
BYT44C V
BYT44D V
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thJA
thJA
F
I
R
R
(BR)R
(BR)R
(BR)R
(BR)R
rr
60 K/W
110 K/W
1.1 V
5
m
150
m
50 V
100 V
150 V
200 V
25 ns
A
A
1 (4)
BYT44
Vishay Telefunken
Characteristics (Tj = 25_C unless otherwise specified)
120
100
80
60
ll
40
20
0
thJA
0
R – Therm. Resist. Junction / Ambient ( K/W )
51015 25
l – Lead Length ( mm )96 12151
TL=constant
20
30
Figure 1. Max. Thermal Resistance vs. Lead Length
1.2
1.1
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
FAV
I – Average Forward Current ( A )
0.1
0
0 20 40 60 80 100 120 140 160 180
T
– Ambient Temperature ( °C )96 12148
amb
VR=V
R
thJA
PC Board
RRM
fv1kHz
v
110K/W
Figure 2. Max. Average Forward Current vs.
Ambient Temperature
1000
VR = V
RRM
m
100
10
R
I – Reverse Current ( A )
1
25 50 75 100 125 150 175
Tj – Junction Temperature ( °C )96 12150
Figure 4. Max. Reverse Current vs.
Junction Temperature
100.000
10.000
1.000
0.100
0.010
F
I – Forward Current ( A )
0.001
Tj=175°C
Tj=25°C
0 0.5 1.0 1.5 2.0 2.5 3.0 3.5
VF – Forward Voltage ( V )96 12147
Figure 5. Max. Forward Current vs. Forward Voltage
1.6
1.5
1.4
1.3
1.2
1.1
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
FAV
I – Average Forward Current ( A )
0.1
0
0 20 40 60 80 100 120 140 160 180
T
– Ambient Temperature ( °C )96 12149
amb
VR=V
R
thJA
fv1kHz
l=10mm
Figure 3. Max. Average Forward Current vs.
Ambient Temperature
www.vishay.de • FaxBack +1-408-970-5600
2 (4)
v
RRM
60K/W
Document Number 86027
Rev. 3, 24-Jun-98
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