| 1261001 | OC30 | Germanium PNP power transistor | VALVO |
| 1261002 | OC30A | Germanium PNP power transistor | VALVO |
| 1261003 | OC30B | Germanium PNP power transistor | VALVO |
| 1261004 | OC35 | Germanium P-N-P high power transistor | Mullard |
| 1261005 | OC35 | PNP Germanium AF Alloy Transistor in TO3 metal case | Newmarket Transistors NKT |
| 1261006 | OC35 | Germanium PNP switching power transistor | VALVO |
| 1261007 | OC36 | Germanium P-N-P high power transistor | Mullard |
| 1261008 | OC36 | PNP Germanium AF Alloy Transistor in TO3 metal case | Newmarket Transistors NKT |
| 1261009 | OC36 | Germanium PNP switching power transistor | VALVO |
| 1261010 | OC3SM-ATM1553.3V-40/85 | Transceivers by Form-factor MSA - | Infineon |
| 1261011 | OC41 | Germanium Transistor | Mullard |
| 1261012 | OC41N | PNP Germanium RF Alloy Transistor in TO1 metal case | Newmarket Transistors NKT |
| 1261013 | OC42 | Germanium Transistor | Mullard |
| 1261014 | OC42N | PNP Germanium RF Alloy Transistor in TO1 metal case | Newmarket Transistors NKT |
| 1261015 | OC43 | Germanium Transistor | Mullard |
| 1261016 | OC44 | Germanium Transistor | Mullard |
| 1261017 | OC44 | Germanium PNP RF transistor | VALVO |
| 1261018 | OC44K(z) | Germanium PNP switching transistor for electronic computers and pulse-controlled control circuit | TUNGSRAM |
| 1261019 | OC44N | PNP Germanium RF Alloy Transistor in TO1 metal case | Newmarket Transistors NKT |
|
| 1261020 | OC45 | Germanium Transistor | Mullard |
| 1261021 | OC45 | Germanium PNP RF transistor | VALVO |
| 1261022 | OC45N | PNP Germanium RF Alloy Transistor in TO1 metal case | Newmarket Transistors NKT |
| 1261023 | OC48LC3.3VAC AC TTL | Transceivers by Form-factor MSA - ATM/SDH/SONET, 1300 nm, 2.5 Gbit/s, 2 km, 2x10, LC Connector, with collar, AC-AC Coupling | Infineon |
| 1261024 | OC57 | Germanium PNP transistor | VALVO |
| 1261025 | OC58 | Germanium PNP transistor | VALVO |
| 1261026 | OC59 | Germanium PNP transistor | VALVO |
| 1261027 | OC60 | Germanium PNP transistor | VALVO |
| 1261028 | OC602 spez. | Germanium PNP junction switching transistor | TELEFUNKEN |
| 1261029 | OC614 | Germanium PNP junction transistor, RF and IF stages | TELEFUNKEN |
| 1261030 | OC615 | Germanium PNP junction transistor, USW stages | TELEFUNKEN |
| 1261031 | OC65N | PNP Germanium AF Alloy Transistor in TO1 metal case | Newmarket Transistors NKT |
| 1261032 | OC66N | PNP Germanium AF Alloy Transistor in TO1 metal case | Newmarket Transistors NKT |
| 1261033 | OC70 | Germanium Transistor | Mullard |
| 1261034 | OC70N | PNP Germanium AF Alloy Transistor in TO1 metal case | Newmarket Transistors NKT |
| 1261035 | OC71 | Germanium Transistor | Mullard |
| 1261036 | OC71 | Germanium PNP transistor | VALVO |
| 1261037 | OC71N | PNP Germanium AF Alloy Transistor in TO1 metal case | Newmarket Transistors NKT |
| 1261038 | OC72 | Germanium Transistor | Mullard |
| 1261039 | OC72 | Germanium PNP Transistor | VALVO |
| 1261040 | OC72N | PNP Germanium AF Alloy Transistor in TO1 metal case | Newmarket Transistors NKT |
