© 2002 IXYS All rights reserved
1 - 2
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.
Power Schottky Rectifier
Features
International standard package
miniBLOC
Isolation voltage 2500 V~
UL registered E 72873
2 independent Schottky diodes in
1 package
Very low VF
Extremely low switching losses
Low IRM-values
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
miniBLOC, SOT-227 B
VRSM VRRM Type
V V
Symbol Conditions Maximum Ratings
IFRMS A
IFAVM A
IFAVM A
IFSM A
EAS mJ
IAR A
(dv/dt)cr V/µs
TVJ -40...+150 °C
TVJM 150 °C
Tstg -40...+150 °C
Ptot W
VISOL 50/60 Hz, RMS 2500 V~
IISOL 1 mA
Mdmounting torque (M4) 1.1-1.5/9-13 Nm/lb.in.
terminal connection torque (M4) 1.1-1.5/9-13 Nm/lb.in.
Weight typical 30 g
Symbol Conditions Characteristic Values
typ. max.
IRmA
mA
VFV
V
V
RthJC K/W
RthCH K/W
IFAV = 2x120 A
VRRM = 45 V
VF= 0.59 V
45 45 DSS 2x121-0045B
150
TC = 100°C; rectangular, d = 0.5 120
TC = 100°C; rectangular, d = 0.5; per device 240
TVJ = 45°C; tp = 10 ms (50 Hz), sine 1600
IAS = 28 A; L = 180 µH; TVJ = 25°C; non repetitive 112
VA =1.5 • VRRM typ.; f=10 kHz; repetitive 2.8
1000
TC = 25°C 310
.
TVJ = 25°CV
R= VRRM 120
TVJ = 100°CV
R= VRRM 500
IF = 120 A; TVJ = 125°C 0.59
IF = 120 A; TVJ =25°C 0.62
IF = 240 A; TVJ = 125°C 0.97
0.4
0.1
DSS 2x121-0045B
232
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© 2002 IXYS All rights reserved
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0.0 0.2 0.4 0.6 0.8 1.0
1
10
100
0 1020304050
0.1
1
10
100
1000
10000
04080120
0
10
20
30
40
50
60
70
80
90
100
110
0.001 0.01 0.1 1 10
0.01
0.1
1
0 40 80 120 160
0
40
80
120
160
IF(AV)
TC
°C IF(AV)
t
s
K/W
IFSM
tP
A
0 10203040
100
1000
10000
CT
IR
IF
A
VFVRVR
V
pF
V
mA
A
P(AV)
ZthJC
V
Single P ulse
DSS2x121-0045B
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
D=0.5
0.25
0.17
DC
50°C
0.33
W
0.08
300
DSS 2x121-0045B
232
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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