Ultra Fast Silicon Mesa Rectifiers
Features
D
Controlled avalanche characteristic
D
Low forward voltage
D
Ultra fast recovery time
D
Glass passivated junction
D
Hermetically sealed package
BYV27/...
Vishay Telefunken
Applications
Very fast rectifier e.g. for switch mode power supply
Absolute Maximum Ratings
Tj = 25_C
Parameter Test Conditions Type Symbol Value Unit
Peak reverse voltage, BYV27/50 V
non repetitive
Reverse voltage BYV27/50 VR=V
=Repetitive peak reverse voltage
Peak forward surge current tp=10ms,
half sinewave
Repetitive peak forward current I
Average forward current I
Pulse energy in avalanche mode,
I
=0.6A, Tj=175°C E
(BR)R
non repetitive
(inductive load switch off)
Junction and storage
temperature range
BYV27/100 V
BYV27/150 V
BYV27/200 V
BYV27/100 VR=V
BYV27/150 VR=V
BYV27/200 VR=V
Tj=T
RSM
RSM
RSM
RSM
I
FSM
FRM
FAV
RRM
RRM
RRM
RRM
R
stg
94 9539
55 V
110 V
165 V
220 V
50 V
100 V
150 V
200 V
50 A
15 A
2 A
20 mJ
–65...+175
°
C
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
Document Number 86042
Rev. 2, 24-Jun-98
thJA
thJA
www.vishay.de • FaxBack +1-408-970-5600
45 K/W
100 K/W
1 (4)
BYV27/...
Vishay Telefunken
Electrical Characteristics
Tj = 25_C
Parameter Test Conditions Type Symbol Min Typ Max Unit
Forward voltage IF=3A V
IF=3A, Tj=175°C V
Reverse current VR=V
V
RSM
VR=V
RRM
, Tj=165°C I
RRM
Reverse recovery time IF=0.5A, IR=1A, iR=0.25A t
Characteristics (Tj = 25_C unless otherwise specified)
F
F
I
R
I
R
R
rr
1.07 V
0.88 V
1
m
100
150
m
m
25 ns
A
A
A
120
100
80
60
40
20
0
thJA
0
R – Therm. Resist. Junction / Ambient ( K/W )
ll
TL=constant
51015 25
l – Lead Length ( mm )94 9526
20
30
Figure 1. Typ. Thermal Resistance vs. Lead Length
2.0
1.6
1.2
V
RRM
fv200kHz
R
=100K/W
thJA
PC Board
2.0
1.6
1.2
0.8
0.4
FAV
I – Average Forward Current ( A )
0
VR=V
RRM
fv200kHz
l=20mm
0
40 80 120 160
T
– Ambient Temperature ( °C )94 9525
amb
Figure 3. Max. Average Forward Current vs.
Ambient Temperature
1000
100
m
Scattering Limit
10
200
0.8
0.4
FAV
I – Average Forward Current ( A )
0
0
40 80 120 160
T
– Ambient Temperature ( °C )94 9524
amb
Figure 2. Max. Average Forward Current vs.
Ambient Temperature
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2 (4)
200
1
R
I – Reverse Current ( A )
VR=V
RRM
200
94 9527
0.1
0 40 80 120 160
Tj – Junction Temperature ( °C )
Figure 4. Reverse Current vs. Junction Temperature
Document Number 86042
Rev. 2, 24-Jun-98