Vishay Telefunken BYV37, BYV38 Datasheet
Fast Silicon Mesa Rectifiers
g
Features
D
Glass passivated junction
D
Hermetically sealed package
D
Low reverse current
D
Soft recovery characteristics
BYV37.BYV38
Vishay Telefunken
Applications
Fast ”soft recovery” rectifier
Absolute Maximum Ratings
Tj = 25_C
Parameter Test Conditions Type Symbol Value Unit
Reverse voltage BYV37 V
BYV38 V
Peak forward surge current tp=10ms,
half sinewave
Average forward current T
Junction and storage temperature range Tj=T
=40°C I
amb
I
Maximum Thermal Resistance
Tj = 25_C
Parameter Test Conditions Symbol Value Unit
Junction ambient l=10mm, TL=constant R
on PC board with spacing 25mm R
thJA
thJA
R
R
FSM
FAV
stg
94 9539
800 V
1000 V
50 A
2 A
–65...+175
45 K/W
100 K/W
°
C
Electrical Characteristics
Tj = 25_C
Parameter Test Conditions Type Symbol Min Typ Max Unit
Forward voltage IF=1A V
Reverse current I
Tj=150°C I
Reverse recovery time IF=0.5A, IR=1A, iR=0.25A t
Diode Capacitance VR=4V, f=1MHz C
Document Number 86045
Rev. 2, 24-Jun-98
F
R
R
rr
D
www.vishay.de • FaxBack +1-408-970-5600
1.0 1.1 V
5
m
150
300 ns
15 pF
m
A
A
1 (4)
BYV37.BYV38
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 )94 9552
TL=constant
20
30
Figure 1. Max. Thermal Resistance vs. Lead Length
500
VR = V
450
R
400
350
300
250
200
150
100
50
R
P – Reverse Power Dissipation ( mW )
0
25 50 75 100 125 150 175
160K/W
Tj – Junction Temperature ( °C )15774
thJA
45K/W
100K/W
BYV38
RRM
=
BYV37
Figure 2. Max. Reverse Power Dissipation vs.
Junction Temperature
2.5
2.0
1.5
1.0
0.5
FAV
I – Average Forward Current ( A )
0
R
=100K/W
thJA
PCB: d=25mm
0 20 40 60 80 100 120 140 160 180
T
– Ambient Temperature ( °C )15773
amb
VR=V
RRM
half sinewave
R
=45K/W
thJA
l=10mm
Figure 4. Max. Average Forward Current vs.
Ambient Temperature
10
Tj=175°C
1
Tj=25°C
0.1
0.01
0.001
F
I – Forward Current ( A )
0.0001
0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0
VF – Forward Voltage ( V )15772
Figure 5. Max. Forward Current vs. Forward Voltage
1000
VR = V
RRM
m
100
10
R
I – Reverse Current ( A )
1
25 50 75 100 125 150 175
Tj – Junction Temperature ( °C )15775
Figure 3. Max. Reverse Current vs.
Junction Temperature
www.vishay.de • FaxBack +1-408-970-5600
2 (4)
35
30
25
20
15
10
D
C – Diode Capacitance ( pF )
5
0
0.1 1.0 10.0 100.0
VR – Reverse Voltage ( V )15776
f=1MHz
Figure 6. Typ. Diode Capacitance vs. Reverse Voltage
Document Number 86045
Rev. 2, 24-Jun-98
Loading...