Models PT908-7C-F sidelooker phototransistor 1 13 0 CHA611 linear Hall sensor IC, TO-94 2 45 0 ME506 ceramic pressure sensor 3 31 0 MJ11015G, MJ11016G transistors TO-204 (TO-3) 5 43 0 RX24 50W resistor 7 175 0