Teccor brand Thyristors 55 Amp Standard SCRs RoHS Sxx55x Series Description Excellent unidirectional switches for phase control applications such as heating and motor speed controls. Standard phase control SCRs are triggered with few milliamperes of current at less than 1.5V potential. Features & Benefits RoHS-compliant V oltage capability up to 1000 V Glass passiv ated junctions Surge capability up to 650 A Main Features Applications Typical applications are AC solid-state switches, industrial Symbol Value Unit power tools, exercise equipment, white goods and I 55 A T(RMS) commercial appliances. V /V 400 to 1000 V DRM RRM I 40 mA GT Additional Information Schematic Symbol AK Datasheet Resources Samples G Absolute Maximum Ratings Symbol Parameter Test Conditions Value Unit I RMS on-state current T = 90C 55 A T(RMS) C I Average on-state current T = 90C 35.0 A T(AV) C single half cycle f = 50Hz 550 T (initial) = 25C J I Peak non-repetitive surge current A TSM single half cycle f = 60Hz 650 T (initial) = 25C J 2 2 2 I t I t Value for fusing t = 8.3 ms 1750 A s p di/dt Critical rate of rise of on-state current f = 60Hz T = 125C 175 A/s J T = 125C J I Peak gate current 4.0 A GM P = 10S W P Average gate power dissipation T = 125C 0.8 W G(AV) J T Storage temperature range -40 to 150 C stg T Operating junction temperature range -40 to 125 C J 2019 Littelfuse, Inc Specifications are subject to change without notice. Revised: BO.12/10/20Teccor brand Thyristors 55 Amp Standard SCRs Electrical Characteristics (T = 25C, unless otherwise specified) J Symbol Test Conditions Value Unit MAX. 40 I V = 12V R = 30 mA GT D L MIN. 5 V V = 12V R = 30 MAX. 1.5 V GT D L 400V 650 600V 600 V = V gate open T = 100C D DRM J 800V 500 dv/dt 1000V MIN. 250 V/s 400V 550 V = V gate open T = 125C 600V 500 D DRM J 800V 475 V V = V R = 3.3 k T = 125C MIN. 0.2 V GD D DRM L J I I = 400mA (initial) MAX. 60 mA H T t (1) MAX. 35 s q t I = 2 x I PW = 15s I = 110A TYP. 2.5 s gt G GT T Note : (1) I =2A t =50s dv/dt=5V/s di/dt=-30A/s T p Static Characteristics Symbol Test Conditions Value Unit V I = 110A t = 380s MAX. 1.8 V TM T p 400 600V 10 T = 25C 800 V 20 J 1000 V 30 400 600V 1000 I / I V / V MAX. A DRM RRM DRM RRM T = 100C 800V 1500 J 1000V 5000 400 600V 2000 T = 125C J 800V 3000 Thermal Resistances Symbol Parameter Value Unit Sxx55R 0.5 Sxx55N R Junction to case (AC) C/W (J-C) Sxx55W 0.53 Sxx55M R Junction to ambient Sxx55R 40 C/W (J-A) Note: xx = voltage 2019 Littelfuse, Inc Specifications are subject to change without notice. Revised: BO.12/10/20