2N5416 semiconductor manufactured by Sylvania, listed as 2N5416 (circa 1979).

2N5415 semiconductor manufactured by Sylvania, listed as 2N5415 (circa 1979).

2N5410 semiconductor manufactured by Sylvania, listed as 2N5410 (circa 1979).

2N5401 semiconductor manufactured by Sylvania, listed as 2N5401 (circa 1979).

2N5400 semiconductor manufactured by Sylvania, listed as 2N5400 (circa 1979).

2N5399 semiconductor manufactured by Sylvania, listed as 2N5399 (circa 1979).

2N5398 semiconductor manufactured by Sylvania, listed as 2N5398 (circa 1979).

2N5383 semiconductor manufactured by Sylvania, listed as 2N5383 (circa 1979).

2N5382 semiconductor manufactured by Sylvania, listed as 2N5382 (circa 1979).

2N5380 semiconductor manufactured by Sylvania, listed as 2N5380 (circa 1979).

2N5379 semiconductor manufactured by Sylvania, listed as 2N5379 (circa 1979).

2N5378 semiconductor manufactured by Sylvania, listed as 2N5378 (circa 1979).

2N5375 semiconductor manufactured by Sylvania, listed as 2N5375 (circa 1979).

2N5374 semiconductor manufactured by Sylvania, listed as 2N5374 (circa 1979).

2N5373 semiconductor manufactured by Sylvania, listed as 2N5373 (circa 1979).

2N5372 semiconductor manufactured by Sylvania, listed as 2N5372 (circa 1979).

2N5371 semiconductor manufactured by Sylvania, listed as 2N5371 (circa 1979).

2N5370 semiconductor manufactured by Sylvania, listed as 2N5370 (circa 1979).

2N5369 semiconductor manufactured by Sylvania, listed as 2N5369 (circa 1979).

2N5368 semiconductor manufactured by Sylvania, listed as 2N5368 (circa 1979).