SKT 491 Capsule Thyristor Line Thyristor SKT 491 Features !"" # $ % Typical Applications & () ) * () ) % * $ () ) * + ) ) ##+, - ."" #/ + 0 11 2314 56 0 "6.7 89 #+, #++,6 #&+, # ?"" <"" 1"" ?"" 7"" # ."" !"" 4"" ."" B"" :+, 0 """ $ ( ; * @: .< @: .< @: .< @: .< @: .< <"" !"" @: .< 3 !A :$# 0 .<" $ ( ) !"= &= : 0 !" >* 3".A 3"!A 3 4A 3 .A 3 BA Symbol Conditions :$# & ) !"= : 0 "" (!?* > 4 ; C!3 !"= : 0 .? >= D4 3 DB 4 ; C!3 !"9= : 0 1? >= D4 3 DB +, 4 ; C!3 !"= : 0 .? >= 5 :, :E 0 4? >= " :E 0 4? >= " :E 0 4? >= !61 ))) " F Values Units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c) by SEMIKRON SKT 491 Fig. 1L Power dissipation vs. on-state current Fig. 1R Power dissipation vs. ambient temperature Fig. 2L Rated on-state current vs. case temperature Fig. 2R Rated on-state current vs. case temperature Fig. 3 Recovered charge vs. current decrease Fig. 4 Transient thermal impedance vs. time 2 07-08-2003 JEL (c) by SEMIKRON SKT 491 Fig. 5 Thermal resistance vs. conduction angle Fig. 6 On-state characteristics Fig. 7 Power dissipation vs. on-state current Fig. 8 Surge overload current vs. time 3 07-08-2003 JEL (c) by SEMIKRON SKT 491 Fig. 9 Gate trigger characteristics Dimensions in mm D (PA&A/ :4""$D* This technical information specifies semiconductor devices but promises no characteristics. No warranty or guarantee expressed or implied is made regarding delivery, performance or suitability. 4 07-08-2003 JEL (c) by SEMIKRON