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STD49GK12 Datenblatt(PDF) 4 Page - Sirectifier Semiconductors |
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STD49GK12 Datenblatt(HTML) 4 Page - Sirectifier Semiconductors |
4 / 4 page STD49GKXX Thyristor-Diode Modules 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 0.53 180oC 0.55 120oC 0.58 60oC 0.6 30oC 0.62 Constants for Z thJC calculation: iR thi (K/W) t i (s) 1 0.015 0.0035 2 0.026 0.02 3 0.489 0.195 R thJK for various conduction angles d: dR thJK (K/W) DC 0.73 180oC 0.75 120oC 0.78 60oC 0.8 30oC 0.82 Constants for Z thJK calculation: iR thi (K/W) t i (s) 1 0.015 0.0035 2 0.026 0.02 3 0.489 0.195 4 0.2 0.68 3 x STD/SDT49 STD/SDT49 STD/SDT49 P4 ©2008 SIRECTIFIER All rights reserved, Tel: +86-519-86800000 Fax: +86-519-88019019 E-mail: sales@sirectifier.com www.sirectifier.com |
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