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