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SKT 551 THYRISTOR BRIDGE,SCR,BRIDGE - Semikron · Fig. 1L Power dissipation vs. on-state current...

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Capsule Thyristors Thyristors SKT 551 Features !"" # $% Typical Applications* & () ) * () ) % * $ () ) * + )) # #+, - ."" #/ + 0 11 2314 56 0 "6.7 89 SKT # +, # ++, 6# &+, :+, 0 4"" $ (; * # # :$# 0 <<" $ () !"= &= : 0 !< >* 1"" 4"" ?: <<34@ 7"" A"" ?: <<3A@ B"" !"" ?: <<3!@ Symbol Conditions Values Units :$# ) !"= : 0 "" (!<* >= 1B (<<" * $ & 4 ; C!3!"= : 0 .< >= D4 3 DA 1B" 3 <A" $ 4 ; C!3!" 9= : 0 1< >= D4 3 DA B!" 31." $ +, 4 ; C!3!"= : 0 .< >= 5 .1" $ :, : E 0 4< >= " B""" $ : E 0 4< >= " !""" $ F : E 0 4< >= !61 ))) " ."<""" $F : E 0 4< >= !61 ))) " 14"""" $F # : : E 0 4< >= : 0 <"" $ ;) 6A< # # :(:* : E 0 4< > ;) "6B4< # : : E 0 4< > ;) "6.< 2 && = +& : E 0 4< >= # +& 0# ++, =# && 0# &+, ;) A" $ : E 0 4< >= G 0 $= G 3 0 $3H H # & 0 "6A7 I # &+, H (3* : E 0 4< > ;) 4< $3H (3* : E 0 4< > ;) """ #3H J : E 0 4< > 6 <" ))) <" H : E 0 4< >= %) 3 ;) <" 3 <"" $ K : E 0 4< >= + G 0 11 2= %) 3 ;) <"" 3 4""" $ # G: : E 0 4< >= )) ) 1 # G: : E 0 4< >= )) ) 4<" $ # G& : E 0 4< >= )) ;) "64< # G& : E 0 4< >= )) ;) " $ + (E* )= & "6".< ?35 + (E* ) !"= & 3 "6".7 3 "6 ?35 + (E* ) 4"= & 3 "6"<. 3 "61 ?35 + (* & 3 "6"4 3 "6"4. ?35 : E ." ))) L 4< > : ." ))) L 1" > # #M 9 <64 ))) ! N 3F ;) "< D SKT 551 THYRISTOR BRIDGE,SCR,BRIDGE 1 23-07-2012 ADA © by SEMIKRON
Transcript
Page 1: SKT 551 THYRISTOR BRIDGE,SCR,BRIDGE - Semikron · Fig. 1L Power dissipation vs. on-state current Fig. 1R Power dissipation vs. ambient temperature Fig. 2L Rated on-state current vs.

Capsule Thyristors

Thyristors

SKT 551

Features

Typical Applications*

SKT

Symbol Conditions Values Units

SKT 551 THYRISTOR BRIDGE,SCR,BRIDGE

1 23-07-2012 ADA © by SEMIKRON

Page 2: SKT 551 THYRISTOR BRIDGE,SCR,BRIDGE - Semikron · Fig. 1L Power dissipation vs. on-state current Fig. 1R Power dissipation vs. ambient temperature Fig. 2L Rated on-state current vs.

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

RECTIFIER,DIODE,THYRISTOR,MODULE

2 23-07-2012 ADA © by SEMIKRON

Page 3: SKT 551 THYRISTOR BRIDGE,SCR,BRIDGE - Semikron · Fig. 1L Power dissipation vs. on-state current Fig. 1R Power dissipation vs. ambient temperature Fig. 2L Rated on-state current vs.

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

SKT 551 THYRISTOR BRIDGE,SCR,BRIDGE

3 23-07-2012 ADA © by SEMIKRON

Page 4: SKT 551 THYRISTOR BRIDGE,SCR,BRIDGE - Semikron · Fig. 1L Power dissipation vs. on-state current Fig. 1R Power dissipation vs. ambient temperature Fig. 2L Rated on-state current vs.

Fig. 9 Gate trigger characteristics

Dimensions in mm

* The specifications of our components may not be considered as an assurance of component characteristics.Components have to be tested for the respective application. Adjustments may be necessary. The use of SEMIKRON

RECTIFIER,DIODE,THYRISTOR,MODULE

4 23-07-2012 ADA © by SEMIKRON

Page 5: SKT 551 THYRISTOR BRIDGE,SCR,BRIDGE - Semikron · Fig. 1L Power dissipation vs. on-state current Fig. 1R Power dissipation vs. ambient temperature Fig. 2L Rated on-state current vs.

products in life support appliances and systems is subject to prior specification and written approval by SEMIKRON. Wetherefore strongly recommend prior consultation of our staff.

SKT 551 THYRISTOR BRIDGE,SCR,BRIDGE

5 23-07-2012 ADA © by SEMIKRON


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