NHC 152 - SKiM63 50 % glycol, 10 l/min @Tfluid=25°C Rth(s-a) IGBT Rth(s-a) Diode [K/W] 0,0164 [K/W] 0,0187 Zth(s-a) @ 25°C, 10l/min, 50% water/glycol 0,02 0,018 For SKiM 63 / 93 0,016 Data sheet values measured with SKiM 63 + NHC [K/W] In- and outlet on the same side 0,014 0,012 0,01 0,008 IGBT Diode 0,006 0,004 0,002 0 0,01 0,1 1 Rth IGBT [K/W] 0,0155 0,0009 Zth(s-a) 1 2 3 4 Cooling system: Nominal pressure: 3bar Test pressure: 6bar 10 [s] 100 1000 Rth Diode [K/W] 0,0177 0,0010 tau [s] 11 55 10000 tau [s] 33 165 Pressure drop 450 10°C 400 25°C 350 70°C [mbar] 300 250 200 150 100 50 0 0 1 5 10 Rev.02 - 28.06.2011 15 . 20 [l/min] 25 30 35 (c) by SEMIKRON . Rth(s-a) = f (Tfluid) @ 10l/min Rth(s-a) @ 25°C 0,030 0,025 IGBT Diode 0,025 0,020 0,020 [K/W] K/W 0,015 0,015 0,010 IGBT Diode 0,010 0,005 0,005 0,000 0,000 . 0 10 20 l/min 30 40 0 20 40 60 Tfluid [°C] 80 . . When Rth is required for 1 switch it have to calculate as follows: Rth(s-a) per switch IGBT = Rth(s-a) IGBT x 6 = 0,0164 K/W x 6 = 0,0984 K/W Rth(s-a) per switch Diode = Rth(s-a) Diode x 6 = 0,0187 x 6 = 0,1122 K/W 2 Rev.02 - 28.06.2011 (c) by SEMIKRON NHC 152 - SKiM93 50 % glycol, 10 l/min @Tfluid=25°C Rth(s-a) IGBT Rth(s-a) Diode [K/W] 0,0118 [K/W] 0,0150 Zth(s-a) @ 25°C, 10l/min, 50% water / glycol 0,016 For SKiM 63 / 93 0,014 0,012 In- and outlet on the same side 0,010 [K/W] Data sheet values measured with SKiM 93 + NHC 0,008 0,006 IGBT 0,004 Diode 0,002 0,000 0,01 0,1 1 Rth IGBT [K/W] 0,0073 0,0042 0,0003 Zth(s-a) 1 2 3 4 Cooling system: Nominal pressure: 3bar Test pressure: 6bar 10 [s] 100 1000 Rth Diode [K/W] 0,0093 0,0053 0,0004 tau [s] 6,42 25,52 149,3 10000 tau [s] 6,42 25,52 149,3 Pressure drop 450 10°C 400 25°C 350 70°C [mbar] 300 250 200 150 100 50 0 0 5 10 15 . 20 25 30 35 [l/min] 1 Rev.03 - 28.06.2011 (c) by SEMIKRON Rth(s-a) @ 25°C Rth(s-a) = f (TFluid) @ 10l/min 0,018 0,025 0,016 0,020 0,014 Diode 0,012 [K/W] [K/W] 0,015 IGBT 0,010 0,010 0,008 IGBT 0,006 Diode 0,004 0,005 0,002 0,000 0,000 0 10 20 [l/min] 30 40 0 20 40T 60 fluid [°C] 80 . . When Rth is required for 1 switch it have to calculate as follows: Rth(s-a) per switch IGBT = Rth(s-a) IGBT x 6 = 0,0118 K/W x 6 = 0,0708 K/W Rth(s-a) per switch Diode = Rth(s-a) Diode x 6 = 0,015 x 6 = 0,0900 K/W 2 Rev.03 - 28.06.2011 (c) by SEMIKRON