Diodes SBR1045D1 - Manual (Page 3)

SBR1045D1
Document number: DS31374 Rev. 7 - 2
3 of 5
www.diodes.com
June 2011
© Diodes Incorporated
SBR1045D1
SBR is a registered trademark of Diodes Incorporated.
Fig. 1 Forward Power Dissipation
0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
5.0
0 2 4 6 8 10
I , AVERAGE FORWARD CURRENT (A)
F(AV)
P
,
P
O
WE
R
DIS
S
IP
A
T
IO
N (
W
)
D
Fig. 2 Typical Forward Characteristics
0.0001
0.001
0.01
0.1
1
10
100
0 200 400 600 800
V , INSTANTANEOUS FORWARD VOLTAGE (mV)
F
I
, INS
T
A
NT
A
NEOUS
F
O
R
W
ARD CURRE
NT
(
A
)
F
T = -55°C
A
T = 25°C
A
T = 85°C
A
T = 125°C
A
T = 150°C
A
Fig. 3 Typical Reverse Characteristics
0.1
1
10
100
1,000
10,000
100,000
0 5 10 15 20 25 30 35 40 45
V , INSTANTANEOUS REVERSE VOLTAGE (V)
R
I
, I
N
ST
ANT
A
NE
OU
S RE
VERSE
CURRENT
(
u
A)
R T = -55°C
A
T = 25°C
A
T = 85°C
A
T = 125°C
A
T = 150°C
A
Fig. 4 Total Capacitance vs. Reverse Voltage
100
1,000
10,000
0.1 1 10 100
V , DC REVERSE VOLTAGE (V)
R
C
, T
O
T
A
L
CAP
A
C
IT
A
NCE
(p
F
)
T
Fig. 5 Forward Current Derating Curve
25 50 75 100 125 150
T , AMBIENT TEMPERATURE (°C)
A
0
1
2
3
4
5
6
7
8
I
,
A
V
ERAGE
F
O
R
W
ARD CURRE
NT
(
A
)
F(A
V
)
T = 150°C
R
J
θJA = 44°C/W
(Note 5)
Duty =
I
I
AV
PK
I
I
AV
PK
DC
= 2
I
I
AV
PK
= 3.33
I
I
AV
PK
= 10
I
I
AV
PK
= 20
Fig. 6 Operating Temperature Derating
0
25
50
75
100
125
150
0 5 10 15 20 25 30 35 40 45
V , DC REVERSE VOLTAGE (V)
R
T
, DERA
T
E
D
AM
BI
ENT
T
E
M
PERA
T
URE
(
°C)
A