POWERSEM PSKD255

PSKD 255
Diode Modules
IFRMS
IFAVM
VRRM
Preliminary Data Sheet
= 2x 450 A
= 2x 270 A
= 800-1800 V
3
2
VRSM
VRRM
V
V
900
1300
1500
1700
1900
800
1200
1400
1600
1800
Type
1
2
1
PSKD 255/08
PSKD 255/12
PSKD 255/14
PSKD 255/16
PSKD 255/18
Symbol
Test Conditions
IFRMS
IFAVM
TVJ = TVJM
TC = 100°C; 180° sine
IFSM
TVJ = 45°C;
VR = 0
∫i2dt
3
Maximum Ratings
450
270
A
A
t = 10 ms (50 Hz)
t = 8.3 ms (60 Hz)
9500
10200
A
A
TVJ = TVJM
VR = 0
t = 10 ms (50 Hz)
t = 8.3 ms (60 Hz)
8400
9000
A
A
TVJ = 45°C
VR = 0
t = 10 ms (50 Hz)
t = 8.3 ms (60 Hz)
451 000
437 000
A 2s
A 2s
TVJ = TVJM
VR = 0
t = 10 ms (50 Hz)
t = 8.3 ms (60 Hz)
353 000
340 000
A 2s
A 2s
-40...+150
150
-40...+125
°C
°C
°C
3000
3600
V~
V~
●
●
Applications
Supplies for DC power equipment
DC supply for PWM inverter
Field supply for DC motors
Battery DC power supplies
●
●
●
VISOL
50/60 Hz, RMS
IISOL ≤ 1 mA
Md
Weight
Mounting torque (M6)
Terminal connection torque (M8)
Typical including screws
Symbol
IRRM
Test Conditions
TVJ = TVJM; VR = VRRM
Characteristic Values
30
mA
VF
IF = 600 A; TVJ = 25°C
1.4
V
VT0
rT
For power-loss calculations only
TVJ = TVJM
0.8
0.6
V
mΩ
RthJC
per
per
per
per
0.140
0.07
0.18
0.09
K/W
K/W
K/W
K/W
RthJK
●
●
TVJ
TVJM
Tstg
diode; DC current
module
diode; DC current
module
Features
Direct copper bonded Al2O3 -ceramic
base plate
Planar passivated chips
Isolation voltage 3600 V~
UL registered, E 148688
t = 1 min
t=1s
other values
see PSKT 255
4.5-7/40-62 Nm/lb.in.
11-13/97-115 Nm/lb.in.
750
g
QS
IRM
TVJ = 125°C; IF = 400 A; -di/dt = 50 A/µs
700
260
µC
A
dS
dA
a
Creeping distance on surface
Creepage distance in air
Maximum allowable acceleration
12.7
9.6
50
mm
mm
m/s 2
●
Advantages
Space and weight savings
Simple mounting
Improved temperature and power
cycling
Reduced protection circuits
●
●
●
●
Dimensions in mm (1 mm = 0.0394")
M8x20
Data according to IEC 60747 and refer to a single thyristor/diode unless otherwise stated.
 2003 POWERSEM reserves the right to change limits, test conditions and dimensions
POWERSEM GmbH, Walpersdorfer Str. 53
D - 91126 Schwabach
Phone: 09122 - 9764 - 0 FAX: 09122 - 9764 - 20
500
A
450
106
10000
IFSM
VR = 0V
2
It
A
50 Hz
80 % VRRM
TVJ = 45°C
TVJ = 150°C
8000
IFAVM
A2s
DC
180° sin
120°
60°
30°
400
350
300
6000
TVJ = 45°C
4000
250
200
TVJ = 150°C
150
100
2000
50
0
0.001
0.01
s
0.1
105
1
1
ms
t
t
Fig. 1 Surge overload current
IFSM: Crest value, t: duration
Fig. 2 I2t versus time (1-10 ms)
300
25
50
75
100
125 °C 150
Fig. 4 Power dissipation versus
forward current and ambient
temperature (per diode)
0.1
0.2
0.3
0.4
0.6
0.8
1.2
400
0
Fig. 3 Maximum forward current
at case temperature
RthKA K/W
W
0
TC
500
Ptot
10
DC
180° sin
120°
60°
30°
200
100
0
0
100
200
300
400 A
0
25
50
75
100
IFAVM
1500
Ptot
W
1250
125
°C
TA
150
Fig. 5 Single phase rectifier bridge:
Power dissipation versus direct
output current and ambient
temperature
R = resistive load
L = inductive load
RthKA K/W
R
0.06
0.08
0.1
0.15
0.2
0.3
0.5
L
1000
750
Circuit
Circuit
B2U
B
2U
22xxPSKD
255
MDD255
500
250
0
0
100
200
300
400
500 A
IdAVM
0
25
50
75
100
°C
125
150
TA
 2003 POWERSEM reserves the right to change limits, test conditions and dimensions
POWERSEM GmbH, Walpersdorfer Str. 53
D - 91126 Schwabach
Phone: 09122 - 9764 - 0 FAX: 09122 - 9764 - 20
2500
Fig. 6 Three phase rectifier bridge:
Power dissipation versus direct
output current and ambient
temperature
RthKA K/W
W
0.03
0.06
0.1
0.15
0.2
0.3
0.4
Ptot 2000
1500
1000
Circuit
Circuit
BB6U
6U
MDD255
33xxPSKD
255
500
0
0
200
400
600
800 A
IdAVM
0
25
50
75
100
125 °C 150
TA
0.25
Fig. 7 Transient thermal impedance
junction to case (per diode)
K/W
0.20
RthJC for various conduction angles d:
d
ZthJC
DC
180°
120°
60°
30°
0.15
30°
60°
120°
180°
DC
0.10
0.05
10-2
10-1
100
0.139
0.148
0.156
0.176
0.214
Constants for ZthJC calculation:
i
0.00
10-3
RthJC (K/W)
101
s
102
t
1
2
3
4
Rthi (K/W)
ti (s)
0.0066
0.0358
0.0831
0.0129
0.00054
0.098
0.54
12
Fig. 8 Transient thermal impedance
junction to heatsink (per diode)
0.30
K/W
0.25
RthJK for various conduction angles d:
ZthJK
d
0.20
DC
180°
120°
60°
30°
0.15
30°
60°
120°
180°
DC
0.10
0.05
10-2
10-1
100
0.179
0.188
0.196
0.216
0.254
Constants for ZthJK calculation:
i
0.00
10-3
RthJK (K/W)
s
101
t
102
1
2
3
4
5
Rthi (K/W)
ti (s)
0.0066
0.0358
0.0831
0.0129
0.04
0.00054
0.098
0.54
12
12
POWERSEM GmbH, Walpersdorfer Str. 53
 2003 POWERSEM reserves the right to change limits, test conditions and dimensions
D - 91126 Schwabach
Phone: 09122 - 9764 - 0 FAX: 09122 - 9764 - 20