Vishay Telefunken
Ultra Fast Recovery Silicon Power Rectifier
Features
D
Multiple diffusion
D
High voltage
D
High current
D
Ultra fast forward recovery time
D
Ultra fast reverse recovery time
Applications
Fast rectifiers in S.M.P.S, freewheeling and snubber
diode in motor control circuits
BYT85
14282
Absolute Maximum Ratings
Tj = 25_C
Parameter Test Conditions Type Symbol Value Unit
Reverse voltage BYT85–600 VR=V
=Repetitive peak reverse voltage
Peak forward surge current 10ms
half sinewave
Repetitive peak forward current I
Average forward current I
Junction and storage temperature range Tj=T
BYT85–800 VR=V
BYT85–1000 VR=V
I
Maximum Thermal Resistance
Tj = 25_C
Parameter Test Conditions Symbol Value Unit
Junction case R
thJC
FSM
FRM
FAV
RRM
RRM
RRM
–55...+150°C
stg
3 K/W
600 V
800 V
1000 V
80 A
20 A
4 A
Document Number 86035
Rev. 2, 24-Jun-98
www.vishay.de • FaxBack +1-408-970-5600
1 (4)
BYT85
Vishay Telefunken
Electrical Characteristics
Tj = 25_C
Parameter Test Conditions Type Symbol Min Typ Max Unit
Forward voltage IF=4A V
IF=4A, Tj=100°C V
Reverse current VR=V
Forward recovery time
Turn on transient peak voltage
Reverse recovery characteristics IF=4A, diF/dt=–100A/ms, I
Reverse recovery time IF=4A, diF/dt=–100A/ms,
Characteristics (Tj = 25_C unless otherwise specified)
RRM
VR=V
I
=4A, di
V
Batt
V
Batt
, Tj=100°C I
RRM
/dtx50A/ms
=200V
=200V
IF=0.5A, IR=1A, iR=0.25A t
I
t
V
RM
t
IRM
t
R
R
fr
FP
rr
rr
F
F
1.8 V
1.8 V
10
m
A
0.1 mA
350 ns
5 V
7 A
70 ns
125 ns
80 ns
1000
VR=V
m
R
I – Reverse Current ( A )
94 9477
100
10
1
0.1
0 40 80 120 160
RRM
T
– Junction Temperature ( °C )
j
200
Figure 1. Typ. Reverse Current vs. Junction Temperature
6
5
4
R
=3K/W
3
R
=5K/W
thJA
R
2
R
1
FAV
I – Average Forward Current ( A )
0
0
=10K/W
thJA
=85K/W
thJA
40 80 120 160
T
– Ambient Temperature ( °C )94 9475
amb
thJC
200
Figure 2. Max. Average Forward Current vs.
Ambient Temperature
100
T
=25°C
Case
10
1
F
0.1
I – Forward Current ( A )
94 9476
0.01
0 0.6 1.2 1.8 2.4
VF – Forward Voltage ( V )
3.0
Figure 3. Typ. Forward Current vs. Forward Voltage
150
RM
120
90
60
IF=4A
T
30
IRM
t – Reverse Recovery Time for I ( ns )
0
0 50 100 150
94 9480
–dIF/dt – Forward Current Rate of Change ( A/ms )
=25°C
C
V
=200V
Batt
200
Figure 4. Reverse Recovery Time for IRM vs.
Forward Current Rate of Change
www.vishay.de • FaxBack +1-408-970-5600
Document Number 86035
Rev. 2, 24-Jun-982 (4)