POWERSEM GmbH, Walpersdorfer Str. 53
D - 91126 Schwabach
Phone: 09122 - 9764 - 0 FAX: 09122 - 9764 - 20
2003 POWERSEM reserves the right to change limits, test conditions and dimensions
Data according to IEC 60747 and refer to a single thyristor/diode unless otherwise stated.
IFRMS = 2x 100 A
IFAVM = 2x 64 A
VRRM = 800-1800 V
Features
International standard package
JEDEC TO-240 AA
Direct copper bonded Al2O3 -ceramic
base plate
Planar passivated chips
Isolation voltage 3600 V~
UL registered, E 148688
Applications
Supplies for DC power equipment
DC supply for PWM inverter
Field supply for DC motors
Battery DC power supplies
Advantages
Space and weight savings
Simple mounting
Improved temperature and power
cycling
Reduced protection circuits
Dimensions in mm (1 mm = 0.0394")
VRSM VRRM Type
VV
900 800 PSKD 44/08
1300 1200 PSKD 44/12
1500 1400 PSKD 44/14
1700 1600 PSKD 44/16
1900 1800 PSKD 44/18
3
312
Diode Modules
Preliminary Data Sheet
PSKD 44
1
2
TO-240 AA
Symbol Test Conditions Maximum Ratings
IFRMS TVJ = TVJM 100 A
IFAVM TC = 92°C; 180° sine 64 A
TC = 100°C; 180° sine 59 A
IFSM TVJ = 45°C; t = 10 ms (50 Hz), sine 1150 A
VR = 0 t = 8.3 ms (60 Hz), sine 1300 A
TVJ = TVJM t = 10 ms (50 Hz), sine 1000 A
VR = 0 t = 8.3 ms (60 Hz), sine 1200 A
i2dt TVJ = 45°C t = 10 ms (50 Hz), sine 6600 A2s
VR = 0 t = 8.3 ms (60 Hz), sine 7000 A2s
TVJ = TVJM t = 10 ms (50 Hz), sine 5000 A2s
VR = 0 t = 8.3 ms (60 Hz), sine 5950 A2s
TVJ -40...+150 °C
TVJM 150 °C
Tstg -40...+125 °C
VISOL 50/60 Hz, RMS t = 1 min 3000 V~
IISOL 1 mA t = 1 s 3600 V~
MdMounting torque (M5) 2.5-4/22-35 Nm/lb.in.
Terminal connection torque (M5) 2.5-4/22-35 Nm/lb.in.
Weight Typical including screws 90 g
Symbol Test Conditions Characteristic Values
IRTVJ = TVJM; VR = VRRM 10 mA
VFIF = 200 A; TVJ = 25°C 1.60 V
VT0 For power-loss calculations only 0.8 V
rTTVJ = TVJM 4.3 m
QSTVJ = 125°C; IF = 50 A, -di/dt = 0.64 A/µs 90 µC
IRM 11 A
RthJC per diode; DC current 0.59 K/W
per module other values 0.295 K/W
RthJK per diode; DC current see Fig. 6/7 0.79 K/W
per module 0.395 K/W
dSCreepage distance on surface 12.7 m m
dAStrike distance through air 9.6 m m
aMaximum allowable acceleration 50 m/s2
http://store.iiic.cc/
POWERSEM GmbH, Walpersdorfer Str. 53
D - 91126 Schwabach
Phone: 09122 - 9764 - 0 FAX: 09122 - 9764 - 20
2003 POWERSEM reserves the right to change limits, test conditions and dimensions
Fig. 1 Surge overload current
IFSM: Crest value, t: duration
Fig. 2 i2dt versus time (1-10 ms) Fig. 2a Maximum forward current
at case temperature
Fig. 3 Power dissipation versus
forward current and ambient
temperature (per diode)
Fig. 4 Single phase rectifier bridge:
Power dissipation versus direct
output current and ambient
temperature
R = resistive load
L = inductive load
Circuit
B 2
2 x PSKD 44
http://store.iiic.cc/
POWERSEM GmbH, Walpersdorfer Str. 53
D - 91126 Schwabach
Phone: 09122 - 9764 - 0 FAX: 09122 - 9764 - 20
2003 POWERSEM reserves the right to change limits, test conditions and dimensions
Fig. 5 Three phase rectifier bridge:
Power dissipation versus direct
output current and ambient
temperature
Fig. 6 Transient thermal impedance
junction to case (per diode)
Fig. 7 Transient thermal impedance
junction to heatsink (per diode)
RthJK for various conduction angles d:
d RthJK (K/W)
DC 0.79
180° 0.81
120° 0.83
60° 0.86
30° 0.90
Constants for ZthJK calculation:
iR
thi (K/W) ti (s)
1 0.012 0.0012
2 0.045 0.095
3 0.533 0.455
4 0.2 0.495
RthJC for various conduction angles d:
d RthJC (K/W)
DC 0.59
180° 0.61
120° 0.63
60° 0.66
30° 0.70
Constants for ZthJC calculation:
iR
thi (K/W) ti (s)
1 0.012 0.0012
2 0.045 0.095
3 0.533 0.455
Circuit
B 6
3 x PSKD 44
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