Diodes SBR20U40CTFP User Manual
Page 3
SBR is a registered trademark of Diodes Incorporated.
SBR20U40
Document number: DS30975 Rev. 7 - 2
3 of 5
August 2012
© Diodes Incorporated
SBR20U40CT
SBR20U40CTFP
0
5
10
15
20
Figure 1 Forward Power Dissipation
I
, AVERAGE FORWARD CURRENT (A)
F(AV)
0
1
2
3
4
5
6
7
8
P
,
P
O
WE
R
DI
SSI
P
A
T
IO
N
(W
)
D
0
0.1
0.2
0.3
0.4
0.5
V , INSTANTANEOUS FORWARD VOLTAGE (V)
Figure 2 Typical Forward Characteristics
F
0.1
1
10
100
I,
I
N
S
T
A
N
T
A
N
E
O
U
S
F
O
R
WA
R
D
C
U
R
R
E
N
T
(A
)
F
0.01
0
5
10
15
20
25
30
35
40
Figure 3 Typical Reverse Characteristics
V , INSTANTANEOUS REVERSE VOLTAGE (V)
R
1
10
100
1,000
10,000
100,000
I
, INS
T
AN
T
ANE
O
U
S
R
EVE
R
SE
C
U
R
R
EN
T
(µ
A
)
R
Figure 4 Forward Current Derating Curve
25
50
75
100
125
T , AMBIENT TEMPERATURE ( C)
A
°
150
0
2
4
6
8
10
12
I,
A
V
E
R
A
G
E
F
O
R
WA
R
D
C
U
R
R
E
N
T
(A
)
F(A
V
)
Note 7
0
5
10
15
20
25
30
35
40
45 50
0
25
50
75
100
125
150
175
T
,DE
R
A
T
E
D
AM
BI
E
N
T
T
EM
P
E
R
A
T
U
R
E (
C
)
A
°
Figure 5 Operating Temperature Derating
V , DC REVERSE VOLTAGE (V)
R