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Diode Modules
Preliminary Data Sheet
PSKD 312
IFRMS IFAVM VRRM
2
= 2x 520 A = 2x 310 A = 1200-2200 V
3 2
VRSM V 1300 1500 1700 1900 2100 2300
VRRM V 1200 1400 1600 1800 2000 2200
Type PSKD 312/12 PSKD 312/14 PSKD 312/16 PSKD 312/18 PSKD 312/20 PSKD 312/22
3
1
1
Symbol IFRMS IFAVM IFSM
Test Conditions TVJ = TVJM TC = 100C; 180 sine TVJ = 45C; VR = 0 TVJ = TVJM VR = 0 t = 10 ms (50 Hz) t = 8.3 ms (60 Hz) t = 10 ms (50 Hz) t = 8.3 ms (60 Hz) t = 10 ms (50 Hz) t = 8.3 ms (60 Hz) t = 10 ms (50 Hz) t = 8.3 ms (60 Hz)
Maximum Ratings 520 310 10500 11200 9200 9800 551000 527000 423 000 403 000 -40...+150 150 -40...+125 A A A A A A A 2s A 2s A 2s A 2s C C C V~ V~
Features Direct copper bonded Al2O3 -ceramic base plate Planar passivated chips Isolation voltage 3600 V~ UL registered, E 148688

i2dt
TVJ = 45C VR = 0 TVJ = TVJM VR = 0
Applications Supplies for DC power equipment DC supply for PWM inverter Field supply for DC motors Battery DC power supplies

TVJ TVJM Tstg VISOL Md Weight Symbol IRRM VF VT0 rT RthJC RthJK QS IRM dS dA a 50/60 Hz, RMS IISOL 1 mA t = 1 min t=1s
3000 3600
Advantages Space and weight savings Simple mounting Improved temperature and power cycling Reduced protection circuits

Mounting torque (M6) Terminal connection torque (M8) Typical including screws Test Conditions TVJ = TVJM; VR = VRRM IF = 600 A; TVJ = 25C For power-loss calculations only TVJ = TVJM per per per per diode; DC current module diode; DC current module
4.5-7/40-62 Nm/lb.in. 11-13/97-115 Nm/lb.in. 750 g Characteristic Values 30 mA 1.32 0.8 0.6 0.12 0.06 0.16 0.08 700 260 12.7 9.6 50 V V m K/W K/W K/W K/W C A mm mm m/s 2
Dimensions in mm (1 mm = 0.0394")
M8x20
TVJ = 125C; IF = 400 A; -di/dt = 50 A/s Creeping distance on surface Creepage distance in air Maximum allowable acceleration
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
10000
106 It
2
IFSM
VR = 0V IFAVM
A
550 A 500 450 400 350
8000
50 Hz 80 % VRRM TVJ = 45C TVJ = 150C
A2s
DC 180 sin 120 60 30
6000
TVJ = 45C
4000
300
TVJ = 150C
250 200 150
2000
100 50
0 0.001
0.01
0.1
s t
1
10
5
1 t
ms
10
0
0
25
50
75
100
TC
125 C 150
Fig. 1 Surge overload current IFSM: Crest value, t: duration
600 Ptot W 500
Fig. 2 I2t versus time (1-10 ms)
Fig. 3 Maximum forward current at case temperature Fig. 4 Power dissipation versus forward current and ambient temperature (per diode)
RthKA K/W
400
0.06 0.1 0.2 0.3 0.4 0.6 0.8
DC 180 sin 120 60 30
300
200
100
0
0
100
200
300
400
500 A 0 IFAVM
25
50
75
100
125 C TA
150
1750 Ptot W 1500 R 1250 1000 750 500 250 0 L
RthKA K/W
0.04 0.06 0.08 0.12 0.2 0.3 0.5
Fig. 5 Single phase rectifier bridge: Power dissipation versus direct output current and ambient temperature R = resistive load L = inductive load
Circuit Circuit B2 B2UU 2 x PSKD 312 2 x MDD312
0
100
200
300
400
500
600 A 0 IdAVM
25
50
75
100
C 125 TA
150
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
3000 W 2500 Ptot 2000 RthKA K/W
1500 Circuit Circuit B6U B6U 3 x PSKD 312 3 x MDD312
0.03 0.06 0.1 0.15 0.2 0.3 0.4
Fig. 6 Three phase rectifier bridge: Power dissipation versus direct output current and ambient temperature
1000
500
0
0
200
400
600
800 A IdAVM
0
25
50
75
100
125 C 150 TA
0.20 K/W 0.15 ZthJC
Fig. 7 Transient thermal impedance junction to case (per diode) RthJC for various conduction angles d: d RthJC (K/W) 0.120 0.128 0.135 0.153 0.185 DC 180C 120C 60C 30C
0.10 30 60 120 180 DC
0.05
Constants for ZthJC calculation: i Rthi (K/W) 0.0058 0.031 0.072 0.0112 ti (s) 0.00054 0.098 0.54 12 1 2 3 4
0.00 10-3
10-2
10-1
100
101 t
s
102
0.25 K/W 0.20 ZthJK 0.15
Fig. 9 Transient thermal impedance junction to heatsink (per diode) RthJK for various conduction angles d: d DC 180C 120C 60C 30C RthJK (K/W) 0.160 0.168 0.175 0.193 0.225
0.10
0.05
30 60 120 180 DC
Constants for ZthJK calculation: i Rthi (K/W) 0.0058 0.031 0.072 0.0112 0.04 ti (s) 0.00054 0.098 0.54 12 12 1 2 3 4 5
0.00 10-3
10-2
10-1
100
101 t
s
102
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

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