Owner manual

SBR30A45CTBQ
Document number: DS36348 Rev. 1 - 2
3 of 5
www.diodes.com
July 2013
© Diodes Incorporated
SBR30A45CTBQ
SBR is a registered trademark of Diodes Incorporated.
Note: 8. Polymide PCB 2 oz. Copper, minimum recommended pad
0.1
1
10
100
1,000
10,000
100,000
0 5 10 15 20 25 30 35 40 45
Figure 3 Typical Reverse Characteristics
V , INSTANTANEOUS REVERSE VOLTAGE (V)
R
I , INSTANTANEOUS REVERSE CURRENT (uA)
R
T = -55°C
A
T = 25°C
A
T = 85°C
A
T = 125°C
A
T = 150°C
A
0.00
2.00
4.00
6.00
8.00
10.00
12.00
14.00
16.00
18.00
25 50 75 100 125 150
I AVE
R
A
G
E
F
O
R
WA
R
D
C
U
R
R
EN
T
(A)
F(AV),
T , AMBIENT TEMPERATURE ( C)
Figure 4 Forward Current Derating Curve
A
°
With heatsink
No heatsink
100
1000
10000
0 5 10 15 20 25 30 35 40
V , DC REVERSE VOLTAGE (V)
Figure 5 Total Capacitance vs. Reverse Voltage
R
C
,
T
O
T
AL
C
A
P
A
C
I
T
A
N
C
E (pF)
T
f = 1MHz
0
25
50
75
100
125
150
0 4.5 9 13.5 18 22.5 27 31.5 36 40.5 45
V , DC REVERSE VOLTAGE(V)
Figure 6 Operating Temperature Derating
R
T, DE
R
ATED A
M
BIENT TE
M
P
E
R
AT
U
R
E (°
C
)
A
50
25 50
75 100 125
150
P
, AVALAN
C
H
E
P
EAK
P
U
LSE
P
O
WE
R
DERATING PERCENTAGE (%)
ARM
T , JUNCTION TEMPERATURE (°C)
Figure 7 Pulse Derating Curve
J
0
25
75
175 200
100
125
0
100
1000
10000
1101001000
T , PULSE DURATION (µS)
Figure 8 Maximum Avalanche Power Curve, Per Element
P
P
,
M
A
XI
M
U
M
A
V
A
L
A
N
C
H
E
P
O
W
E
R
(W)
ARM