© 2002 IXYS All rights reserved
1 - 2
Power Schottky Rectifier
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 outlines.pdf
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, Conditions and dimensions.
AC
CA
TO-220 AC
C (TAB)
A = Anode, C = Cathode , TAB = Cathode
Symbol Conditions Maximum Ratings
IFRMS 35 A
IFAVM TC = 125°C; rectangular, d = 0.5 25 A
IFSM
TVJ = 45°C; tp = 10 ms (50 Hz), sine 300 A
EAS IAS = tbd A; L = 180 µH; TVJ = 25°C; non repetitive tbd mJ
IAR VA =1.5 • VRRM typ.; f=10 kHz; repetitive tbd A
(dv/dt)cr tbd V/ms
TVJ -55...+150 °C
TVJM 150 °C
Tstg -55...+150 °C
Ptot TC = 25°C90W
Mdmounting torque 0.4...0.6 Nm
Weight typical 2 g
IFAV = 25 A
VRRM = 25 V
VF= 0.44 V
232
DSS 25-0025B
VRSM VRRM Type
V V
25 25 DSS 25-0025B
Symbol Conditions Characteristic Values
typ. max.
IR TVJ = 25°C VR= VRRM 20 mA
TVJ = 100°C VR= VRRM 80 mA
VFIF = 25 A; TVJ = 125°C 0.44 V
IF = 25 A; TVJ = 25°C 0.52 V
IF = 50 A; TVJ = 125°C 0.66 V
RthJC 1.4 K/W
RthCH 0.5 K/W
Preliminary Data
© 2002 IXYS All rights reserved
2 - 2
0.00.20.40.6
1
10
100
0 5 10 15 20 25
0.01
0.1
1
10
100
1000
0 102030
0
5
10
15
20
0.0001 0.001 0.01 0.1 1 10
0.01
0.1
1
0 40 80 120 160
0
10
20
30
40
IF(AV)
TC
°CIF(AV)
ts
K/W
10 100 1000 10000
100
1000
10000
IFSM
tP
A
0 5 10 15 20 25
100
1000
10000
CT
IR
IF
A
VFVRVR
V
pF
V
mA
A
P(AV)
W
ZthJC
V
Single Pulse
2
DSS 25-0025B
A
µs
TVJ=150°C
125°C
100°C
75°C
25°C
TVJ =
150°C
125°C
25°C
TVJ= 2 5°C
d=0.5
d =
DC
0.5
0.33
0.25
0.17
0.08
0.08
D=0.5
0.17
DC
50°C
0.33
0.25
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
DSS 25-0025B
Note: All curves are per diode
