DSS 20-0015B
Power Schottky Rectifier
Preliminary Data
I
FAV
= 20 A
V
RRM
= 15 V
V
F
= 0.33 V
V
RSM
V
15
V
RRM
V
15
Type
TO-220 AC
A
C
C
DSS 20-0015B
A
C (TAB)
A = Anode, C = Cathode , TAB = Cathode
Symbol
I
FRMS
I
FAVM
I
FSM
E
AS
I
AR
(dv/dt)
cr
T
VJ
T
VJM
T
stg
P
tot
M
d
Weight
Conditions
T
C
= 135°C; rectangular, d = 0.5
T
VJ
= 45°C; t
p
= 10 ms (50 Hz), sine
I
AS
= tbd A; L = 180 µH; T
VJ
= 25°C; non repetitive
V
A
=1.5 • V
RRM
typ.; f=10 kHz; repetitive
Maximum Ratings
35
20
300
tbd
tbd
tbd
-55...+150
150
-55...+150
A
A
A
mJ
A
V/ms
°C
°C
°C
W
Nm
g
Features
• International standard package
• Very low V
F
• Extremely low switching losses
• Low I
RM
-values
• Epoxy meets UL 94V-0
Applications
• Rectifiers in switch mode power
supplies (SMPS)
• Free wheeling diode in low voltage
converters
T
C
= 25°C
mounting torque
typical
90
0.4...0.6
2
Advantages
• High reliability circuit operation
• Low voltage peaks for reduced
protection circuits
• Low noise switching
• Low losses
Symbol
I
R
V
F
Conditions
T
VJ
= 25°C V
R
= V
RRM
T
VJ
= 100°C V
R
= V
RRM
I
F
= 20 A;
I
F
= 20 A;
I
F
= 40 A;
T
VJ
= 125°C
T
VJ
= 25°C
T
VJ
= 125 °C
Characteristic Values
typ.
max.
10
200
0.33
0.45
0.43
1.4
0.5
mA
mA
V
V
V
K/W
K/W
Dimensions see outlines.pdf
R
thJC
R
thCH
Pulse test:
Pulse Width = 5 ms, Duty Cycle < 2.0 %
Data according to IEC 60747 and per diode unless otherwise specified
232
IXYS reserves the right to change limits, Conditions and dimensions.
© 2002 IXYS All rights reserved
1-2
DSS 20-0015B
100
A
I
F
1000
mA
T
VJ
=150°C
I
R
100
125°C
100°C
10000
pF
C
T
10
T
VJ
=
150°C
125°C
25°C
10
75°C
50°C
1000
1
25°C
T
VJ
= 25°C
1
0.0
0.1
0.2
0.4
V
F
0.6 V
0
2
4
6
8
10 12 14 V
V
R
100
0
2
4
6
8
10 12 14 V
V
R
Fig. 1 Maximum forward voltage
drop characteristics
40
A
30
I
F(AV)
20
d=0.5
DC
Fig. 2 Typ. value of reverse current I
R
versus reverse voltage V
R
14
W
12
10
8
6
4
2
d=
DC
0.5
0.33
0.25
0.17
0.08
Fig. 3 Typ. junction capacitance C
T
versus reverse voltage V
R
10000
P
(AV)
A
I
FSM
1000
10
0
0
40
80
T
C
120 °C 160
0
0
5
10
15
20 25
I
F(AV)
30
A
100
10
100
1000 µs 10000
t
P
Fig. 4 Average forward current I
F(AV)
versus case temperature T
C
2
1
D=0.5
Fig. 5 Forward power loss
characteristics
K/W
Z
thJC
0.33
0.25
0.17
0.08
Single Pulse
0.1
0.01
0.0001
DSS 20-0015B
0.001
0.01
0.1
s 1
10
t
Fig. 6 Transient thermal impedance junction to case at various duty cycles
232
© 2002 IXYS All rights reserved
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