BYT08P-400
BYT08PI-400
October 1999 - Ed: 3A
FAST RECOVERY RECTIFIER DIODES
This single rectifier is suited for Switch Mode
Power Supplies and other power converters.
This device is intended to free-wheeling function in
converters and motor control circuits.
DESCRIPTION
VERY LOW REVERSE RECOVERY TIME
VERY LOW SWITCHING LOSSES
LOW NOISE TURN-OFF SWITCHING
INSULATED PACKAGE: TO-220AC
Insulation voltage: 2500 V
RMS
Capacitance = 7 pF
FEATURES AND BENEFITS
Symbol
Parameter
Value
Unit
V
RRM
Repetitive peak reverse voltage
400
V
I
FRM
Repetitive peak forward current
tp=5
s F=5kHz
200
A
I
F(RMS)
RMS forward current
16
A
I
F(AV)
Average forward current
TO-220AC
Tc = 120
C
= 0.5
8
A
Insulated
TO-220AC
Tc = 105C
I
FSM
Surge non repetitive forward current
tp = 10 ms Sinusoidal
100
A
T
stg
Storage temperature range
- 40 to + 150
C
Tj
Maximum operating junction temperature
150
C
ABSOLUTE RATINGS (limiting values)
I
F(AV)
8 A
V
RRM
400 V
V
F
(max)
1.4 V
trr (max)
35 ns
MAIN PRODUCT CHARACTERISTICS
T0-220AC
(Plastic)
K
A
Insulated
TO-220AC
(Plastic)
K
A
1/7
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
V
F
*
Forward voltage drop
Tj = 25
C
I
F
= 8 A
1.5
V
Tj = 100
C
1.4
I
R
**
Reverse leakage
current
Tj = 25
C
V
R
= V
RRM
15
A
Tj = 100
C
2.5
mA
Pulse test : * tp = 380
s,
< 2%
** tp = 5 ms,
< 2%
STATIC ELECTRICAL CHARACTERISTICS
Symbol
Parameter
Value
Unit
R
th (j-c)
Junction to case
TO-220AC
Ins. TO-220AC
2.5
3.5
C/W
THERMAL RESISTANCES
To evaluate the conduction losses use the following equation:
P = 1.1 x I
F(AV)
+ 0.024 I
F
2
(RMS)
Symbol
Test Conditions
Min.
Typ.
Max.
Unit
t
rr
Tj = 25C
I
F
= 1A V
R
= 30V dI
F
/dt = - 15A/
s
75
ns
I
F
= 0.5A I
R
= 1A I
rr
= 0.25A
35
RECOVERY CHARACTERISTICS
Symbol
Parameter
Test Conditions
Min. Typ. Max. Unit
t
IRM
M axim um rev er se
r ecov er y tim e
dI
F
/dt = - 32 A/
s
V
CC
= 200 V
I
F
= 8 A
L
p
0.05
H
Tj = 100C
(see fig. 13)
75
ns
dI
F
/dt = - 64 A/
s
50
I
RM
M axim um rev er se
r ecov er y cur r ent
dI
F
/dt = - 32 A/
s
2.2
A
dI
F
/dt = - 64 A/
s
2.8
C =
V
RP
V
CC
Turn-off overvoltage
coefficient
Tj = 100C
V
CC
= 60V I
F
= I
F(AV)
dI
F
/dt = - 30A/
s L
p
= 1
H
3.3
/
TURN-OFF SWITCHING CHARACTERISTICS
BYT08P-400 / BYT08PI-400
2/7
0
1
2
3
4
5
6
7
8
9
10
0
2
4
6
8
10
12
14
IF(av) (A)
PF(av)(W)
T
=tp/T
tp
= 1
= 0.5
= 0.2
= 0.1
= 0.05
Fig. 1: Average forward power dissipation versus
average forward current .
0.0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1.0
0
10
20
30
40
50
60
70
80
90
100
IM(A)
P=10W
P=5W
P=20W
T
=tp/T
tp
Fig. 2: Peak current versus form factor.
0
25
50
75
100
125
150
0
1
2
3
4
5
6
7
8
9
10
Tamb(C)
IF(av)(A)
Rth(j-a)=15C/W
Rth(j-a)=Rth(j-c)
Non insulated
Insulated
T
=tp/T
tp
Fig. 3: Average forward current versus ambient
temperature (
=0.5).
1E-3
1E-2
1E-1
1E+0
0
10
20
30
40
50
60
70
80
90
Tc=75C
Tc=50C
Tc=25C
t(s)
IM(A)
I
M
t
=0.5
Fig. 4-2: Non repetitive surge peak forward current
versus overload duration (insulated TO-220AC).
1E-3
1E-2
1E-1
1E+0
0
10
20
30
40
50
60
70
80
90
100
t(s)
IM(A)
Tc=75C
Tc=50C
Tc=25C
I
M
t
=0.5
Fig. 4-1: Non repetitive surge peak forward current
versus overload duration (TO-220AC).
BYT08P-400 / BYT08PI-400
3/7
1E-3
1E-2
1E-1
1E+0
0.1
0.2
0.5
1.0
tp(s)
K=[Zth(j-c)/Rth(j-c)]
T
=tp/T
tp
Single pulse
= 0.1
= 0.2
= 0.5
Fig. 5: Relative variation of thermal impedance
junction to case versus pulse duration.
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
0.1
1.0
10.0
100.0
VFM(V)
IFM(A)
Typical values
Tj=100C
Tj=25C
Tj=100C
Fig. 6: Forward voltage drop versus forward
current (maximum values, per diode).
1
10
100
200
10
12
14
16
18
20
22
24
26
28
30
VR(V)
C(pF)
F=1MHz
Tj=25C
Fig. 7: Junction capacitance versus reverse
voltage applied (typical values, per diode).
10
20
50
100
200
0
50
100
150
200
250
dIF/dt(A/s)
Qrr(nC)
IF=IF(av)
90% confidence
Tj=100C
Fig. 8: Recovery charges versus dI
F
/dt (per diode).
10
20
50
100
200
0
2
4
6
8
10
IRM(A)
IF=IF(av)
90% confidence
Tj=100C
dIF/dt(A/s)
Fig. 9: Recovery current versus dI
F
/dt (per diode).
0
100
200
300
400
500
0
5
10
15
20
25
30
VFP(V)
IF=IF(av)
90% confidence
Tj=100C
dIF/dt(A/s)
Fig. 10: Transient peak forward voltage versus
dI
F
/dt (per diode)
BYT08P-400 / BYT08PI-400
4/7
0
100
200
300
400
500
0.00
0.25
0.50
0.75
1.00
1.25
1.50
tfr(s)
IF=IF(av)
90% confidence
Tj=100C
dIF/dt(A/s)
Fig. 11: Forward recovery time versus dI
F
/dt (per
diode)
0
25
50
75
100
125
150
0.25
0.50
0.75
1.00
1.25
1.50
Tj(C)
Qrr;IRM[Tj] / Qrr;IRM[Tj=100C]
IRM
Qrr
Fig. 12: Dynamic parameters versus junction
temperature.
Fig. 13: Turn-off switching characteristics (without series inductance).
Fig. 14: Turn-off switching characteristics (with series inductance).
BYT08P-400 / BYT08PI-400
5/7
PACKAGE MECHANICAL DATA
TO-220AC
A
C
D
E
M
L7
H2
I
L5
L6
L9
L4
G
F1
F
L2
REF.
DIMENSIONS
Millimeters
Inches
Min.
Max.
Min.
Max.
A
4.40
4.60
0.173
0.181
C
1.23
1.32
0.048
0.051
D
2.40
2.72
0.094
0.107
E
0.49
0.70
0.019
0.027
F
0.61
0.88
0.024
0.034
F1
1.14
1.70
0.044
0.066
G
4.95
5.15
0.194
0.202
H2
10.00
10.40
0.393
0.409
L2
16.40 typ.
0.645 typ.
L4
13.00
14.00
0.511
0.551
L5
2.65
2.95
0.104
0.116
L6
15.25
15.75
0.600
0.620
L7
6.20
6.60
0.244
0.259
L9
3.50
3.93
0.137
0.154
M
2.6 typ.
0.102 typ.
Diam. I
3.75
3.85
0.147
0.151
BYT08P-400 / BYT08PI-400
6/7
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use of such information nor for any infringement of patents or other rights of third parties which may result from its use. No license is granted by
implication or otherwise under any patent or patent rights of STMicroelectronics. Specifications mentioned in this publication are subject to
change without notice. This publication supersedes and replaces all information previously supplied.
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Ordering type
Marking
Package
Weight
Base qty
Delivery mode
BYT08P-400
BYT08P-400
TO-220AC
1.86 g.
50
Tube
BYT08PI-400
BYT08PI-400
Insulated
TO-220AC
1.86 g.
50
Tube
Cooling method: by conduction (C)
Recommended torque value: 0.8 N.m.
Maximum torque value: 1.0 N.m.
Epoxy meets UL94,V0
PACKAGE MECHANICAL DATA
TO-220AC Insulated
b1
l2
a1
e
F
L
B
I
A
C
b2
c1
c2
a2
REF.
DIMENSIONS
Millimeters
Inches
Min.
Max.
Min.
Max.
A
14.23
15.87
0.560
0.625
a1
4.50
0.177
a2
12.70
14.70
0.500
0.579
B
10.20
10.45
0.402
0.411
b1
0.64
0.96
0.025
0.038
b2
1.15
1.39
0.045
0.055
C
4.48
4.82
0.176
0.190
c1
0.35
0.65
0.020
0.026
c2
2.10
2.70
0.083
0.106
e
4.58
5.58
0.180
0.220
F
5.85
6.85
0.230
0.270
I
3.55
4.00
0.140
0.157
L
2.54
3.00
0.100
0.118
l2
1.45
1.75
0.057
0.069
BYT08P-400 / BYT08PI-400
7/7
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