User guide

SBR and POWERDI are registered trademarks of Diodes Incorporated.
SBR12A45SP5
Document number: DS32082 Rev.5 - 2
3 of 5
www.diodes.com
October 2012
© Diodes Incorporated
SBR12
A
45SP5
0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
5.0
024 681012
Fig. 1 Forward Power Dissipation
I , AVERAGE FORWARD CURRENT (A)
F(AV)
P
,
P
O
WE
R
DISSI
P
A
T
I
O
N (W)
D
0 100 200 300 400 500 600 700
V , INSTANTANEOUS FORWARD VOLTAGE (mV)
F
Fig. 2 Typical Forward Characteristics
0.0001
0.01
0.1
1
10
100
I, INS
T
AN
T
ANE
O
U
S
F
O
R
WA
R
D
C
U
R
R
EN
T
(A)
F
0.001
T = 150°C
J
T = 125°C
J
T
J
= 25°C
10
100
1,000
10,000
100,000
0 5 10 15 20 25 30 35 40 45
V , INSTANTANEOUS REVERSE VOLTAGE (V)
R
Fig. 3 Typical Reverse Characteristics
I, I
N
S
T
A
N
T
A
N
E
O
U
S
R
EVE
R
SE
C
U
R
R
E
N
T
(µA)
R
0.1 1 10 100
Fig. 4 Total Capacitance vs. Reverse Voltage
V , DC REVERSE VOLTAGE (V)
R
100
1,000
10,000
C
,
T
O
T
AL
C
A
P
A
C
I
T
A
N
C
E (p
F
)
T
f = 1MHz
Fig. 5 Forward Current Derating Curve
0
2
4
6
8
10
25 50 75 100 125 150 175
T , AMBIENT TEMPERATURE (°C)
A
I , AVERAGE FORWARD CURRENT (A)
F(AV)
14
Based on Lead Temp (T )
L
Note 5
12
Fig. 6 Operating Temperature Derating
0
25
50
75
100
125
150
0 9 18 27 36 45
V , DC REVERSE VOLTAGE (V)
R
T , DERATED AMBIENT TEMPERATURE (°C)
A