© 2002 IXYS All rights reserved
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Pulse test: Pulse Width = 5 ms, Duty Cycle < 2.0 %
Data according to IEC 60747 and per diode unless otherwise specified
IXYS reserves the right to change limits, test conditions and dimensions.
ACA
TO-247 AD
A = Anode, C = Cathode , TAB = Cathode
A
A
CC (TAB)
Features
• International standard package
• Very low VF
• Extremely low switching losses
• Low IRM-values
• Epoxy meets UL 94V-0
Applications
• Rectifiers in switch mode power
supplies (SMPS)
• Free wheeling diode in low voltage
converters
Advantages
• High reliability circuit operation
• Low voltage peaks for reduced
protection circuits
• Low noise switching
• Low losses
Dimensions see pages D2 - 87-88
Power Schottky Rectifier
with common cathode IFAV = 2x40 A
VRRM = 25 / 30 V
VF= 0.39 V
232
DSSK 80-0025B
DSSK 80-003B
VRSM VRRM Type
V V
25 25 DSSK 80-0025B
30 30 DSSK 80-003B
Symbol Conditions Maximum Ratings
IFRMS 70 A
IFAV TC = 130°C; rectangular, d = 0.5 40 A
IFAV TC = 130°C; rectangular, d = 0.5; per device 80 A
IFSM
TVJ = 45°C; tp = 10 ms (50 Hz), sine 600 A
EAS IAS = 6 A; L = 180 µH; TVJ = 25°C; non repetitive 10 mJ
IAR VA =1.5 • VRRM typ.; f=10 kHz; repetitive 6 A
(dv/dt)cr 5000 V/µs
TVJ -55...+150 °C
TVJM 150 °C
Tstg -55...+150 °C
Ptot TC = 25°C 155 W
Mdmounting torque 0.8...1.2 Nm
Weight typical 6 g
Symbol Conditions Characteristic Values
typ. max.
IRTVJ = 25°CV
R= VRRM 40 mA
TVJ = 100°CV
R= VRRM 250 mA
VFIF = 40 A; TVJ = 125°C 0.39 V
IF = 40 A; TVJ = 25°C 0.48 V
IF = 80 A; TVJ = 125°C 0.56 V
RthJC 0.8 K/W
RthCH 0.25 K/W
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© 2002 IXYS All rights reserved
2 - 2
DSSK 80-0025B
DSSK 80-003B
0.0 0.2 0.4 0.6
1
10
100
0 5 10 15 20 25
0.1
1
10
100
1000
10000
0 102030405060
0
5
10
15
20
25
30
35
40
0.001 0.01 0.1 1 10
0.1
1
0 40 80 120 160
0
10
20
30
40
50
60
70
80
IF(AV)
TC
°CIF(AV)
ts
K/W
IFSM
tP
A
0 5 10 15 20 25
1000
10000
CT
IR
IF
A
VFVRVR
V
pF
V
mA
A
P(AV)
W
ZthJC
V
DSSK 80-0025B
A
µs
125°C
25°C
TVJ =
150°C
125°C
25°C
d =
DC
0.5
0.33
0.25
0.17
0.08
0.08
DC
50°C
100°C
75°C
0.17
0.25
D=0.5
0.33
Single Pulse
d = 0.5
TVJ= 25°C
TVJ = 150°C
Fig. 3 Typ. junction capacitance CT
versus reverse voltage VR
Fig. 2 Typ. value of reverse current IR
versus reverse voltage VR
Fig. 1 Maximum forward voltage
drop characteristics
Fig. 4 Average forward current IF(AV)
versus case temperature TC
Fig. 5 Forward power loss
characteristics
Fig. 6 Transient thermal impedance junction to case at various duty cycles Note: All curves are per diode
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