Diodes SBR3U20SA - Manual (Page 2)

SBR3U20SA
Document number: DS31209 Rev. 8 - 2
2 of 4
www.diodes.com
July 2009
© Diodes Incorporated
SBR3U20SA
NEW PROD
UC
T
SBR is a registered trademark of Diodes Incorporated.
Fig. 1 Forward Power Dissipation
0
0.2
0.4
0.6
0.8
1.0
1.2
0 0.4 0.8 1.2 1.6 2 2.4 2.8 3.2 3.6 4
I , AVERAGE FORWARD CURRENT (A)
F(AV)
P
,
P
O
WE
R
DISS
IP
A
T
IO
N
(W
)
D
Fig. 2 Typical Forward Characteristics
0.0001
0.001
0.01
0.1
1
10
0 100 200 300 400 500 600
V , INSTANTANEOUS FORWARD VOLTAGE (mV)
F
I
, IN
ST
ANT
A
NEOUS
F
O
RW
ARD
CURRENT
(
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 2 4 6 8 10 12 14 16 18 20
V , INSTANTANEOUS REVERSE VOLTAGE (V)
R
I
, INS
T
ANT
A
NEOUS
REVE
RSE CU
RRENT
(
u
A)
R
T = 25°C
A
T = -55°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
CI
T
A
NCE (
p
F
)
T
Fig. 5 Forward Current Derating Curve
0
0.5
1
1.5
2
2.5
3
3.5
0 30 60 90 120 150
T , AMBIENT TEMPERATURE (°C)
A
I
,
A
V
E
R
AGE F
O
R
W
A
RD CU
RRE
NT
(
A
)
F(
A
V
)
Fig. 6 Operating Temperature Derating
0
25
50
75
100
125
150
0 2 4 6 8 10 12 14 16 18 20
V , DC REVERSE VOLTAGE (V)
R
T
, DE
RA
TED
AM
BI
EN
T
TE
M
P
ERA
T
URE
(
C
)
A
°