The BTA140-600,127 is a NXP Thyristors and TRIACs device. It is a high-speed medium-power bistable thyristor (SCR) and is suitable for use in applications such as light dimming, uninterruptable power supplies, motor control and AC motor speed control. It has a blocking voltage of 600 V and a load current of 140 A. It has an SCR or TRIAC trigger current of 20 mA, an iron turn-on time of 0.2 µs, an on-state voltage drop of 2.2 V, a switching loss of 450 mW, and an on-state resistance of 0.05 O.