1N4462 semiconductor manufactured by Sylvania, listed as 1N4462 (circa 1979).

1N4400A semiconductor manufactured by Sylvania, listed as 1N4400A (circa 1979).

1N5044 semiconductor manufactured by Sylvania, listed as 1N5044 (circa 1979).

1N4957 semiconductor manufactured by Sylvania, listed as 1N4957 (circa 1979).

1N4845 semiconductor manufactured by Sylvania, listed as 1N4845 (circa 1979).

1N4746 semiconductor manufactured by Sylvania, listed as 1N4746 (circa 1979).

1N4647 semiconductor manufactured by Sylvania, listed as 1N4647 (circa 1979).

1N4461 semiconductor manufactured by Sylvania, listed as 1N4461 (circa 1979).

1N4400 semiconductor manufactured by Sylvania, listed as 1N4400 (circa 1979).

1N5043A semiconductor manufactured by Sylvania, listed as 1N5043A (circa 1979).

1N4956 semiconductor manufactured by Sylvania, listed as 1N4956 (circa 1979).

1N4844B semiconductor manufactured by Sylvania, listed as 1N4844B (circa 1979).

1N4745A semiconductor manufactured by Sylvania, listed as 1N4745A (circa 1979).

1N4646 semiconductor manufactured by Sylvania, listed as 1N4646 (circa 1979).

1N4460 semiconductor manufactured by Sylvania, listed as 1N4460 (circa 1979).

1N4395A semiconductor manufactured by Sylvania, listed as 1N4395A (circa 1979).

1N5043 semiconductor manufactured by Sylvania, listed as 1N5043 (circa 1979).

1N4955 semiconductor manufactured by Sylvania, listed as 1N4955 (circa 1979).

1N4844A semiconductor manufactured by Sylvania, listed as 1N4844A (circa 1979).

1N4745 semiconductor manufactured by Sylvania, listed as 1N4745 (circa 1979).