1 x BC183B : NPN silicon transistor
5 x BC183C : NPN silicon transistor
5 x BC184 : NPN silicon planar low noise transistor
5 x BC211A : NPN silicon planar transistor
4 x BC213B : PNP silicon planar transistor
5 x BC214 : PNP silicon planar low noise transistor
3 x BC223 : NPN silicon planar transistor
1 x BC237A : NPN SILICON PLANAR EPITAXIAL TRANSISTORS
5 x BC237B : NPN SILICON PLANAR EPITAXIAL TRANSISTORS