Teccor brand Thyristors 40 Amp Low T SCR q RoHS S4040xQx Series Description The S4040xQx series of SCRs offer fast turn-off time (tq) characteristics required for applications such as power inverters, switching regulator, and high frequency pulse circuits. These fast turn-off time SCRs offer high dv/dt and high di/dt characteristics required in higher frequency (>1000 PPS) switching circuits. Features & Benefits RoHS compliant Surge capability up to 520 A Glass passivated junctions T O-220 and TO-263 packages Voltage capability up Main Features to 400 V Symbol Value Unit Applications I 40 A T(RMS) Fast turn-off time SCRs are ideal for multi phase voltage V /V 400 V DRM RRM regulator circuits, DC/AC inverters, and higher frequency pulsing power supplies. I 15 to 65 mA GT Schematic Symbol AK G Absolute Maximum Ratings Symbol Parameter Test Conditions Value Unit I RMS on-state current T = 100C 40 A T(RMS) C I Average on-state current T = 100C 25.0 A T(AV) C single half cycle f = 50Hz 430 T (initial) = 25C J I Peak non-repetitive surge current A TSM single half cycle f = 60Hz 520 T (initial) = 25C J 2 2 2 I t I t Value for fusing t = 8.3 ms 1122 A s p di/dt Critical rate of rise of on-state current 175 A/s f = 60Hz T = 125C J I Peak gate current 3.5 A T = 125C GM J P Average gate power dissipation 0.8 W T = 125C G(AV) J Storage temperature range -40 to 150 C T stg T Operating junction temperature range -40 to 125 C J S4040xQx Series 2015 Littelfuse, Inc 1 Specifications are subject to change without notice. Revised: 12/09/15 Teccor brand Thyristors 40 Amp Low T SCR q Electrical Characteristics (T = 25C, unless otherwise specified) J Symbol Test Conditions Sxx40xQ Sxx40xQ2 Sxx40xQ3 Unit MAX. 35 45 65 I mA GT V = 12V R = 30 MIN. 15 30 38 D L V MAX. 1.5 V GT I V = 12V R = 30 T = -40C MAX. 75 95 160 mA GT D L J V = V gate open T = 100C 650 D DRM J dv/dt MIN. V/s V = V gate open T = 125C 550 D DRM J V V = V R = 3.3 k T = 125C MIN. 0.2 V GD D DRM L J I I = 400mA (initial) MAX. 70 120 200 mA H T t (1) MAX. 15 12 5 s q t I = 2 x I PW = 15s I = 80A TYP. 3.0 3.5 s gt G GT T Note : (1) I =0.5A t =50s dv/dt=5V/s di/dt=-30A/s T p Static Characteristics Symbol Test Conditions S4040xQ S4040xQ2 S4040xQ3 Unit V I = 80A t = 380s MAX. 1.8 2.2 V TM T p T = 25C 10 J T = 100C 1000 I / I V / V MAX. A DRM RRM DRM RRM J T = 125C 2000 J Thermal Resistances Symbol Parameter Value Unit R Junction to case (AC) 0.6 C/W (J-C) R Junction to ambient 40 C/W (J-A) S4040xQx Series 2015 Littelfuse, Inc 2 Specifications are subject to change without notice. Revised: 12/09/15