m (IEC 134). SYMBOL VDRM IT(RMS) ITSM PARAMETER Repetitive peak off-state voltages RMS on-state current Non-repetitive peak on-state current full sine wave; Tmb ≤ 99 ˚C full sine wave; Tj = 25 ˚C prior to surge t = 20 ms t = 16.7 ms t = 10 ms ITM = 20 A; IG = 0.2 A; dIG/dt = 0.2 A/µs CONDITIONS MIN..