STMICROELECTRONICS BYW81P-200

BYW81P-200
BYW81PI-200

HIGH EFFICIENCY FAST RECOVERY RECTIFIER DIODES
FEATURES
SUITED FOR SMPS
VERY LOW FORWARD LOSSES
NEGLIGIBLE SWITCHING LOSSES
HIGH SURGE CURRENT CAPABILITY
HIGH AVALANCHE ENERGY CAPABILITY
INSULATED VERSION :
Insulating voltage = 2500 VRMS
Capacitance = 7 pF
A
A
K
K
TO-220AC
(Plastic)
isolated
TO-220AC
(Plastic)
BYW81P-200
BYW81PI-200
DESCRIPTION
Single chip rectifier suited for switchmode power
supply and high frequency DC to DC converters.
Packaged in TO-220AC this device is intended for
use in low voltage, high frequency inverters, free
wheeling and polarity protection applications.
ABSOLUTE MAXIMUM RATINGS
Symbol
IF(RMS)
IF(AV)
Parameter
RMS forward current
Average forward current
δ = 0.5
A
A
15
BYW81PI
Tc=90°C
15
tp=10ms
sinusoidal
200
A
- 40 to + 150
- 40 to + 150
°C
°C
Value
Unit
200
V
Tstg
Tj
Storage and junction temperature range
Parameter
Repetitive peak reverse voltage
October 1999 - Ed: 2D
35
Tc=115°C
Surge non repetitive forward current
VRRM
Unit
BYW81P
IFSM
Symbol
Value
1/6
BYW81P-200 / BYW81PI-200
THERMAL RESISTANCE
Symbol
Rth (j-c)
Parameter
Junction to case
Value
Unit
BYW81P
2.0
°C/W
BYW81PI
3.5
ELECTRICAL CHARACTERISTICS
STATIC CHARACTERISTICS
Symbol
IR *
Test Conditions
Tj = 25°C
Min.
Typ.
VR = VRRM
Tj = 100°C
VF **
Max.
Unit
20
µA
1.5
mA
V
Tj = 125°C
IF = 12 A
0.85
Tj = 125°C
IF = 25 A
1.05
Tj = 25°C
IF = 25 A
1.15
Pulse test : * tp = 5 ms, duty cycle < 2 %
** tp = 380 µs, duty cycle < 2 %
To evaluate the conduction losses use the following equation :
P = 0.65 x IF(AV) + 0.016 x IF2(RMS)
RECOVERY CHARACTERISTICS
Symbol
trr
Test Conditions
Tj = 25°C
Min.
Typ.
Max.
IF = 0.5A
IR = 1A
Irr = 0.25A
25
IF = 1A
VR = 30V
dIF/dt = -50A/µs
40
Unit
ns
tfr
Tj = 25°C
IF = 1A
VFR = 1.1 x VF
tr = 10 ns
15
ns
VFP
Tj = 25°C
IF = 1A
tr = 10 ns
2
V
2/6
BYW81P-200 / BYW81PI-200
Fig.1 : Average forward power dissipation versus
average forward current.
20.0
P F(av)(W)
350
=0.05
17.5
Fig.2 : Peak current versus form factor.
=0.1
=0.2
=0.5
IM(A)
=1
T
300
15.0
IM
250
12.5
=tp/T
200
tp
10.0
150
T
7.5
P=10W
P=20W
100
5.0
P=30W
2.5
50
I F(av)(A)
=tp/T
tp
20
0
0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0
Fig.3 : Forward voltage drop versus forward
current (maximum values).
Fig.4 : Relative variation of thermal impedance
junction to case versus pulse duration.
0.0
0
2.5
5
7.5
10
12.5
15
17.5
1.0
VFM(V)
1.8
1.6
K
Zth(j-c) (tp. )
K =
Rth(j-c)
Tj= 125 oC
1.4
=0.5
0.5
1.2
=0.2
1.0
= 0 .1
0.8
0.6
T
0.2
0.4
0.2
Single pulse
IFM(A)
0.0
0.1
1
10
100 200
1.0E-03
Fig.5 : Non repetitive surge peak forward current
versus overload duration.
(BYW81P)
IM(A)
160
150
140
130
120
110
100
90
80
70
60
50
40 IM
30
20
10
0
0.001
=tp/T
tp(s)
0.1
1.0E-02
1.0E-01
tp
1. 0E+00
Fig.6 : Non repetitive surge peak forward current
versus overload duration.
(BYW81PI)
IM(A)
Tc=25 o C
Tc=75 o C
Tc=115 o C
t
t(s)
=0.5
0.01
0.1
1
120
110
100
90
80
70
60
50
40
30 IM
20
10
0
0.001
Tc=25 oC
Tc=60 o C
Tc=90 o C
t
t(s)
=0.5
0.01
0.1
1
3/6
BYW81P-200 / BYW81PI-200
Fig.7 : Average current
temperature.
(duty cycle : 0.5) (BYW81P)
versus
ambient
IF(av)(A)
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
0
Rth(j-a)=15 o C/W
T
=tp/T
20
versus
ambient
IF(av)(A)
Rth(j-a)=Rth(j-c)
=0.5
Fig.8 : Average current
temperature.
(duty cycle : 0.5) (BYW81PI)
tp
40
Tamb(o C)
60
80
100
120
140
160
Fig.9 : Junction capacitance versus reverse
voltage applied (Typical values).
C(pF)
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
0
Rth(j-a)=15 o C/W
=0.5
T
=tp/T
tp
20
40
Tamb(o C)
60
80
100
120
140
160
Fig.10 : Recovery charges versus dIF/dt.
60
120
Rth(j-a)=Rth(j-c)
QRR(nC)
F=1Mhz Tj=25 oC
90%CONFIDENCE
115
50
IF=IF(av)
110
Tj=100 OC
40
105
30
100
Tj=25 O C
95
20
90
10
85
dIF/dt(A/us)
VR(V)
80
1
10
30
50
70
Fig.11 : Peak reverse current versus dIF/dt.
3.0
0
1
20
40
60 80
Fig.12 : Dynamic parameters versus junction
temperature.
QRR;IRM[Tj]/QRR;IRM[Tj=125o C]
IRM(A)
1.50
90%CONFIDENCE
IF=IF(av)
2.5
10
1.25
Tj=100 OC
2.0
1.00
IRM
1.5
0.75
1.0
0.50
QRR
Tj=25 O C
0.5
dIF/dt(A/us)
0.0
1
4/6
10
20
40 60 80
0.25
0.00
0
Tj( o C)
25
50
75
100
125
150
BYW81P-200 / BYW81PI-200
PACKAGE MECHANICAL DATA
TO-220AC (JEDEC outline)
H2
DIMENSIONS
A
C
L5
L7
ØI
L6
L2
D
L9
F1
L4
M
F
E
G
REF.
Millimeters
Inches
A
C
D
E
F
F1
G
H2
L2
L4
L5
L6
L7
L9
M
Diam. I
Min.
Max.
4.40
4.60
1.23
1.32
2.40
2.72
0.49
0.70
0.61
0.88
1.14
1.70
4.95
5.15
10.00
10.40
16.40 typ.
13.00
14.00
2.65
2.95
15.25
15.75
6.20
6.60
3.50
3.93
2.6 typ.
3.75
3.85
Min.
Max.
0.173
0.181
0.048
0.051
0.094
0.107
0.019
0.027
0.024
0.034
0.044
0.066
0.194
0.202
0.393
0.409
0.645 typ.
0.511
0.551
0.104
0.116
0.600
0.620
0.244
0.259
0.137
0.154
0.102 typ.
0.147
0.151
Marking : Type number
Cooling method : C
Weight : 1.9 g
Recommended torque value : 0.8m.N
Maximum torque value : 1.0m.N
PACKAGE MECHANICAL DATA
TO-220AC (isolated)
B
DIMENSIONS
C
b2
I
REF.
L
F
A
a1
l2
a2
b1
c1
e
A
a1
a2
B
b1
b2
C
c1
c2
e
F
I
L
l2
Millimeters
Min.
14.23
12.70
10.20
0.64
1.15
4.48
0.35
2.10
4.58
5.85
3.55
2.54
1.45
Max.
15.87
4.50
14.70
10.45
0.96
1.39
4.82
0.65
2.70
5.58
6.85
4.00
3.00
1.75
Inches
Min.
0.560
0.500
0.402
0.025
0.045
0.176
0.020
0.083
0.180
0.230
0.140
0.100
0.057
Max.
0.625
0.177
0.579
0.411
0.038
0.055
0.190
0.026
0.106
0.220
0.270
0.157
0.118
0.069
c2
Marking : Type number
Cooling method : C
Weight : 2.2 g
Recommended torque value : 0.8m.N
Maximum torque value : 1.0m.N
5/6
BYW81P-200 / BYW81PI-200
Information furnished is believed to be accurate and reliable. However, STMicroelectronics assumes no responsibility for the consequences of
use of such information nor for any infringement of patents or other rights of thirdparties 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.
STMicroelectronics products are not authorized for use as critical components in life support devices or systems without express written approval of STMicroelectronics.
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 1999 STMicroelectronics - Printed in Italy - All rights reserved.
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