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Thyristor Modules Thyristor/Diode Modules
Preliminary Data Sheet
PSKT 255 PSKH 255
ITRMS ITAVM VRRM
= 2x 450 A = 2x 250 A = 1200-1800 V
VRSM VDSM V 1300 1500 1700 1900
VRRM VDRM V 1200 1400 1600 1800
Type
3 2
76 5 4
PSKT PSKT PSKT PSKT
255-12io1 255-14io1 255-16io1 255-18io1
PSKH PSKH PSKH PSKH
255-12io1 255-14io1 255-16io1 255-18io1
1
3
671
542
Symbol ITRMS, IFRMS ITAVM, IFAVM ITSM, IFSM
Test Conditions TVJ = TVJM TC = 85C; 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) repetitive, IT = 860 A non repetitive, IT = ITAVM
Maximum Ratings 450 250 9000 9600 7800 8600 405 000 382 000 304 000 307 000 100 500 1000 120 60 20 10 -40...+130 130 -40...+125 A A A A A A A 2s A 2s A2 s A2 s A/s A/s V/s W W W V C C C V~ V~
PSKT
3
1
5 42
PSKH
i2dt
TVJ = 45C VR = 0 TVJ = TVJM VR = 0
(di/dt)cr
TVJ = TVJM f =50 Hz, tP =200 s VD = 2/3 VDRM IG = 1 A, diG/dt = 1 A/s
Features International standard package Direct copper bonded Al2O3-ceramic with copper base plate Planar passivated chips Isolation voltage 3600 V~ UL registered E 148688 Keyed gate/cathode twin pins

(dv/dt)cr PGM PGAV VRGM TVJ TVJM Tstg VISOL Md Weight
TVJ = TVJM; VDR = 2/3 VDRM RGK = ; method 1 (linear voltage rise) TVJ = TVJM IT = ITAVM tP = 30 s tP = 500 s
Applications Motor control, softstarter Power converter Heat and temperature control for industrial furnaces and chemical processes Lighting control Solid state switches

50/60 Hz, RMS IISOL 1 mA
t = 1 min t=1s
3000 3600

Mounting torque (M6) Terminal connection torque (M8) Typical including screws
4.5-7/40-62 Nm/lb.in. 11-13/97-115 Nm/lb.in. 750 g
Advantages Simple mounting Improved temperature and power cycling capability Reduced protection circuits
Data according to IEC 60747 and refer to a single thyristor/diode unless otherwise stated.
2002 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
Symbol IRRM, IDRM VT, VF VT0 rT VGT IGT VGD IGD IL IH tgd tq QS IRM RthJC RthJK dS dA a
Test Conditions TVJ = TVJM; VR = VRRM; VD = VDRM IT, IF = 600 A; TVJ = 25C For power-loss calculations only (TVJ = 130C) VD = 6 V; VD = 6 V; TVJ = TVJM; TVJ = TVJM; TVJ = 25C TVJ = -40C TVJ = 25C TVJ = -40C VD = 2/3 VDRM VD = 2/3 VDRM
Characteristic Values 40 1.36 0.8 0.68 2 3 150 220 0.25 10 200 150 2 typ. 200 760 275 0.140 0.07 0.18 0.09 mA V V m V V mA mA V mA mA
VG
10 1: IGT, TVJ = 140C 130C
V
2: IGT, TVJ = 25C 3: IGT, TVJ = -40C
3 2 1 1 4 5 6
TVJ = 25C; tP = 30 s; VD = 6 V IG = 0.45 A; diG/dt = 0.45 A/s TVJ = 25C; VD = 6 V; RGK = TVJ = 25C; VD = 1/2 VDRM IG = 1 A; diG/dt = 1 A/s TVJ = TVJM; IT = 300 A, tP = 200 s; -di/dt = 10 A/s VR = 100 V; dv/dt = 50 V/s; VD = 2/3 VDRM TVJ = 125C; IT, IF = 300 A; -di/dt = 50 A/s per per per per thyristor (diode); DC current module thyristor (diode); DC current module
4: PGM = 20 W IGD, TVJ = 140C 130C 5: PGM = 60 W 6: PGM = 120 W 100 IG 101 A 102
mA s s C A K/W K/W K/W K/W
0.1 10-3
10-2
10-1
Fig. 1 Gate trigger characteristics
100
TVJ = 25C
s
tgd typ. Limit
other values see Fig. 8/9
Creeping distance on surface Creepage distance in air Maximum allowable acceleration
12.7 mm 9.6 mm 50 m/s2
10
Optional accessories for modules Keyed Gate/Cathode twin plugs with wire length = 350 mm, gate = yellow, cathode = red
1 0.01 0.1 1 IG A 10
Dimensions in mm (1 mm = 0.0394") PSKT 255
M8x20
Fig. 2 Gate trigger delay time PSKH 255
M8x20
2002 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 ITSM A 50 Hz 80 % VRRM TVJ = 45C TVJ = 130C I2dt
106
400 ITAVM A IFAVM 300
8000
A2s TVJ = 45C
DC 180 sin 120 60 30
6000 105 4000
TVJ = 130C 200
100 2000
0 0.001
0.01
0.1
s t
1
104
1 t
ms
10
0
0
25
50
75
100 TC
125 C 150
Fig. 3 Surge overload current ITSM, IFSM: Crest value, t: duration
Ptot 500 W 400
Fig. 4 i2dt versus time (1-10 ms)
Fig. 4a Maximum forward current at case temperature
RthKA K/W 0.1 0.2 0.3 0.4 0.6 0.8 1.0
Fig. 5 Power dissipation versus onstate current and ambient temperature (per thyristor or diode)
300
200
DC 180 sin 120 60 30
100
0
0
100
200
300
A
0
25
50
75
100
125 C 150 TA
ITAVM/IFAVM
2000 Ptot W
RthKA K/W 0.03 0.06 0.1 0.15 0.2 0.3 0.4
1500
Fig. 6 Three phase rectifier bridge: Power dissipation versus direct output current and ambient temperature
1000 Circuit B6 3xPSKT255 or 3xMCC255 or 3xPSKH255 3xMCD255
500
0
0
200
400
600
A IdAVM
0
25
50
75
100
125 C 150 TA
POWERSEM GmbH, Walpersdorfer Str. 53 2002 POWERSEM reserves the right to change limits, test conditions and dimensions D - 91126 Schwabach Phone: 09122 - 9764 - 0 FAX: 09122 - 9764 - 20
Ptot
2000 W RthKA K/W 0.03 0.06 0.1 0.15 0.2 0.3 0.4
1500
Fig. 7 Three phase AC-controller: Power dissipation versus RMS output current and ambient temperature
1000
500
Circuit W3 3xMCC255 or 3xPSKT255 or 3xPSKH255 3xMCD255
0
0
100
200
300
400
500 A 0 IRMS
25
50
75
100
125 TA
C 150
0.25 K/W ZthJC 0.20
Fig. 8 Transient thermal impedance junction to case (per thyristor or diode) RthJC for various conduction angles d: d
30 60 120 180 DC
0.15
RthJC (K/W) 0.139 0.148 0.156 0.176 0.214
0.10
DC 180 120 60 30
0.05
Constants for ZthJC calculation:
0.00 10-3
i
10-2 10-1 100 101 s t 102
Rthi (K/W) 0.0066 0.0358 0.0831 0.0129
ti (s) 0.00054 0.098 0.54 12
1 2 3 4
0.30 K/W 0.25 ZthJK 0.20
Fig. 9 Transient thermal impedance junction to heatsink (per thyristor or diode) RthJK for various conduction angles d: d DC 180 120 60 30 RthJK (K/W) 0.179 0.188 0.196 0.216 0.254
0.15 30 60 120 180 DC
0.10
0.05
Constants for ZthJK calculation: i
10-2 10-1 100 101 t s 102
0.00 10-3
Rthi (K/W) 0.0066 0.0358 0.0831 0.0129 0.04
ti (s) 0.00054 0.098 0.54 12 12
1 2 3 4 5
POWERSEM GmbH, Walpersdorfer Str. 53 2002 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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