TYN640, TYN840 40 A standard SCRs Datasheet - production data Description A These standard SCRs are suitable for applications where in-rush current conditions are critical, such as overvoltage crowbar protection circuits in power supplies, in-rush current limiting circuits, solid state relays (in back to back configuration), welding equipment, high power G motor control circuits. Using clip assembly technology, they provide a K superior performance in high surge current A capabilities. Table 1. Device summary Order code Voltage Sensitivity TYN640RG 600 V 35 mA K A TYN840RG 800 V 35 mA G TO-220AB Features On-state rms current, I 40 A T(RMS): Repetitive peak off-stat voltage, V , V : DRM RRM 600 V 800 V Triggering gate current, I : 35 mA GT November 2013 DocID6944 Rev 6 1/8 This is information on a product in full production. www.st.comCharacteristics TYN640, TYN840 1 Characteristics Table 2. Absolute ratings (limiting values) Symbol Parameter Value Unit I On-state rms current (180 conduction angle) T = 95 C 40 A T(RMS) c IT Average on-state current (180 conduction angle) T = 95 C 25 A (AV) c t = 8.3 ms 480 p Non repetitive surge peak on-state I T = 25 C A TSM j current t = 10 ms 460 p 2 ItI t Value for fusing t = 10 ms T = 25 C 1060 A S p j Critical rate of rise of on-state current T = 125 j dI/dt F = 60 Hz 50 A/s I = 2 x I , t 100 ns C G GT r T = 125 j I Peak gate current t = 20 s 4A GM p C T = 125 j P Average gate power dissipation 1W G(AV) C T Storage junction temperature range - 40 to + 150 stg C T Operating junction temperature range - 40 to + 125 j V Maximum peak reverse gate voltage 5 V RGM Table 3. Electrical Characteristics (T = 25 C, unless otherwise specified) j Symbol Test Conditions Value Unit MIN. 3.5 I mA GT V = 12 V R = 33 MAX. 35 D L V MAX. 1.3 V GT V V = V R = 3.3 k T = 125 C MIN. 0.2 V GD D DRM L j I I = 500 mA Gate open MAX. 75 mA H T I I = 1.2 x I MAX. 150 mA L G GT dV/dt V = 67% V Gate open T = 125 C MIN. 1000 V/s D DRM j V I = 80 A t = 380 s T = 25 C MAX. 1.6 V TM TM p j V Threshold voltage T = 125 C MAX. 0.85 V t0 j R Dynamic resistance T = 125 C MAX. 10 m d j T = 25 C 5A I j DRM V = V MAX. DRM RRM I RRM T = 125 C 4 mA j Table 4. Thermal resistance Symbol Parameter Value Unit R Junction to case (DC) 0.8 C/W th(j-c) R Junction to ambient (DC) 60 C/W th(j-a) 2/8 DocID6944 Rev 6