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 Ω
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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