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PSKT56 Datasheet(PDF) 4 Page - Powersem GmbH |
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PSKT56 Datasheet(HTML) 4 Page - Powersem GmbH |
4 / 4 page 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 Fig. 7 Three phase AC-controller: Power dissipation versus RMS output current and ambient temperature Fig. 8 Transient thermal impedance junction to case (per thyristor or diode) Fig. 9 Transient thermal impedance junction to heatsink (per thyristor or diode) R thJC for various conduction angles d: dR thJC (K/W) DC 0.45 180° 0.47 120° 0.49 60° 0.505 30° 0.52 Constants for Z thJC calculation: iR thi (K/W) t i (s) 1 0.014 0.015 2 0.026 0.0095 3 0.41 0.175 R thJK for various conduction angles d: d R thJK (K/W) DC 0.65 180° 0.67 120° 0.69 60° 0.705 30° 0.72 Constants for Z thJK calculation: iR thi (K/W) t i (s) 1 0.014 0.015 2 0.026 0.0095 3 0.41 0.175 4 0.2 0.67 Circuit W 3 3 x PSKT 56 or 3 x PSKH 56 PSKT 56 PSKH 56 Z thJC(t) PSKT 56 PSKH 56 Z thJK(t) |
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