Specifications:

Type: Triac
Maximum peak gate power (PGM): 20 W
Maximum repetitive peak and off-state voltage (VDRM): 400 V
Maximum RMS on-state current (IT(RMS)): 40 A
Non repetitive surge peak on-state current (ITSM): 350 A
Critical rate of rise of off-state voltage (dV/dt): 50 V/µs
Maximum operating junction and storage temperature range (Tstg, Tj): -40..125 °C
Junction to ambient thermal resistance (RTH(j-a)): 60 K/W
Junction to case thermal resistance (RTH(j-c)): 1 K/W
Triggering gate voltage (VGT): 1.1 V
Peak on-state voltage drop (VTM): 1.4 V
Triggering gate current (IGT): 25 mA
Holding current (IH): 30 mA
Package: TO‑220AB