Check the listing for details. Mullard OC45 PNP Germanium Transistor Lot. Condition: Used. Listed at 40.00 USD. For sale is a lot of eight each Mullard OC45 PNP Germanium Transistors from the 50's - 60-s. These are used, shorter leads and tested as shown. The photo showing the 44's and 45's is just for reference on lead lengths, you do not get both the 44's and 45's, just the OC45's.