AC188 Germanium PNP transistor in a TO-1 can. Download shortform AC188 datasheet: For the version mounted in a block of aluminium please see AC188K in related products tab above. Status: NOS (New Old Stock)
ACY20 Germanium PNP transistor in a TO-5 can.Download Germanium Power devices ACY20 datasheet: Status: NOS (New Old Stock) Early English manufacture (1964) very useable but unbranded and slight tarnishing so at a discounted price. some in factory black cans, all with long leads...
AF179 Germanium PNP transistor in a four lead TO-39 can.Awaiting datasheet.Status: NOS (New Old Stock)Tested components: YES unbranded, date codes : 1964 to 1969.Cheapest ebay price (Nov 2017): £7.49 our price for tested item £5.00