Germanium Transistor Gallery
2009/7/13
Last update : 2009/7/13
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| 2N24 Western Electric Point Contact 1953 |
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| 2N23 Western Electric Point Contact 1954 |
2N26 Western Electric Point Contact 1954 |
2N27 Western Electric Grown Junction 1955 |
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| 2N43A General Electric |
CK722 (Blue) Raytheon Alloy Junction 1956 |
2N112/CK760 Raytheon 1956 |
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| 2N229 |
2N406 RCA |
2N414 Raytheon |
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| 2N1141 Texas Instruments |
2N1500 Sprague Mesa 1964 Gold Plated |
AC128K Tungsram |
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| GT403B Russian |
MP39B Russian |
OC47 Valvo |
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| OC70 Philips |
OC604 Telefunken |
OC622 Telefunken |
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| SFT316 Mistral |
ST172 NEC |
2T73 Sony |
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| 2SA12 Hitachi Alloy |
2SA49, 2SA51, 2SA52 and 2SA53 Toshiba Alloy |
2SA70 Matsushita Alloy Diffusion |
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| 2SA100, 2SA101, 2SA102, 2SA103 and 2SA104 Matsushita Drift |
2SA168 NEC Alloy |
2SA201, 2SA202 and 2SA203 Sanyo Alloy |
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| 2SA417 NEC Epitaxial Mesa |
2SB54 and 2SB56 Toshiba Alloy |
2SB171, 2SB172, 2SB173, 2SB175 and 2SB176 Matsushita Alloy |
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| 2SB189 Toshiba Alloy |
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Copyright (C) 2009 by MATSUMOTO Koichi, JN3DMJ