Semiconductor Device, Diode, Silicon, Voltage Regulator, Types 1N3821A through 1N3828A, 1N3016B through 1N3051B, 1N3821AÂ1 through 1N3828AÂ1, 1N3016BÂ1 through 1N3051BÂ1, 1N3821AURÂ1 through 1N3828AURÂ1, 1N3016BURÂ1 through 1N3051BURÂ1, Plus CÂ a