0 5 0.5 10 2 - 40 ~ 125 - 40 ~ 125 Units A A A A2s A/µs W W V A °C °C V Value corresponding to 1 cycle of halfwave, surge on-state current, tp=10ms IG = 2x IGT, tr ≤ 100ns Ta=25°C, AC 1 minute, T1 T2 G terminal to case 1500 Thermal Characteristic Symbol Rth(J-C) Parameter Thermal Resistance Tes.