2N1770-2N1778, 2N2619 High-reliability discrete p.
2N1772 - (2N1771 - 2N2619) SCR
2N1774 - (2N1771 - 2N2619) SCR
2N2619 - PHASE CONTROL SCR
2N2619 - SCR
2N1777 - (2N1771 - 2N2619) SCR
2N2619 - SCRs
2N1771 - (2N1771 - 2N2619) SCR