Excerpt from the tube collection of Peter Pfeiffer. These images (tube photos) were uploaded to the respective tubes or valves by Peter Pfeiffer.
2N3714 |
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Common type USA tube/semicond. |
USA |
|
2N3725 |
|
Common type USA tube/semicond. |
USA |
|
2N3823 |
|
Common type USA tube/semicond. |
USA |
|
2N3856 |
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General Electric Co. (GE); B... |
USA |
|
2N3904 |
|
Common type USA tube/semicond. |
USA |
|
2N3906 |
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Common type USA tube/semicond. |
USA |
|
2N4026 |
|
Common type USA tube/semicond. |
USA |
|
2N4101 |
|
RCA (RCA Victor Co. Inc.); N... |
USA |
|
2N4401 |
|
Common type USA tube/semicond. |
USA |
|
2N4403 |
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Common type USA tube/semicond. |
USA |
|
2N5087 |
|
Common type USA tube/semicond. |
USA |
|
2N5136 |
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Fairchild Semiconductor Inc.... |
USA |
|
2N5172 |
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Fairchild Semiconductor Inc.... |
USA |
|
2N5400 |
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Fairchild Semiconductor Inc.... |
USA |
|
2N5401 |
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Fairchild Semiconductor Inc.... |
USA |
|
2N5550 |
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Motorola Inc. (ex Galvin Mfg... |
USA |
|
2N5551 |
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Motorola Inc. (ex Galvin Mfg... |
USA |
|
2N5955 |
|
Common type USA tube/semicond. |
USA |
|
2N6028 |
|
Common type USA tube/semicond. |
USA |
|
2N6509 |
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Motorola Inc. (ex Galvin Mfg... |
USA |
|
2SD5072 |
|
Fairchild Semiconductor Inc.... |
USA |
|
2X2 |
|
Common type USA tube/semicond. |
USA |
|
3A4 |
1942 |
Common type USA tube/semicond. |
USA |
|
3A5 |
|
Common type USA tube/semicond. |
USA |
|
3A8GT |
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Common type USA tube/semicond. |
USA |
|
3B4 |
|
Common type USA tube/semicond. |
USA |
|
3B4WA |
|
Common type USA tube/semicond. |
USA |
|
3B7 |
|
Common type USA tube/semicond. |
USA |
|
3B8GT |
|
Common type USA tube/semicond. |
USA |
|
3B24 |
|
Common type USA tube/semicond. |
USA |
|
Peter Pfeiffer started his/her tube collection (valve collection) here on 07.May.2020.
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