2P4M NEC T0-202 2A 400V SCR Thyristor
Non-repititive Peak Reverse voltage: 600V
repititive Peak Reverse voltage: 400V
ON state current: 2A
Surge non-repititive current: 20A
Peak gate forward current: 0.2A
Peak gate forward power dissipation: 0.5W
http://www.ges.cz/sheets/2/2p4_6m.pdf