Planar passivated Silicon Controlled Rectifier (SCR) intended for use in applications requiring good bidirectional blocking voltage capability, high surge current capability and high thermal cycling performance Peak Repetitive Off-State Voltage, Vdrm:500V Gate Trigger Current Max, Igt:15mA Current It av:7.5A On State RMS Current IT(rms):12A Peak Non Rep Surge Current Itsm 50Hz:132A Operating Temperature Max:125°C Minimum Operating Temperature:-40 °C Dimensions:10.3 x 4.7 x 9.4mm Package include 10pcs*BT151-500R