Excerpt from the tube collection of Rudolf Osterkamp. These images (tube photos) were uploaded to the respective tubes or valves by Rudolf Osterkamp.
| 2SA566 |
|
| Hitachi Ltd.; Tokyo |
J |
|
| 2SA699 |
|
| Common type Japan tube/semic... |
J |
|
| 2SA719 |
|
| Common type Japan tube/semic... |
J |
|
| 2SA733 |
|
| NEC Corporation, Nippon Elec... |
J |
|
| 2SA1307 |
|
| Toshiba Corporation; Tokyo |
J |
|
| 2SA1450 |
|
| Sanyo Electric Co. Ltd.; Mor... |
J |
|
| 2SA1538 |
|
| Sanyo Electric Co. Ltd.; Mor... |
J |
|
| 2SB492 |
|
| Sanyo Electric Co. Ltd.; Mor... |
J |
|
| 2SB566 |
|
| Hitachi Ltd.; Tokyo |
J |
|
| 2SB600 |
|
| NEC Corporation, Nippon Elec... |
J |
|
| 2SC41 |
|
| Sony Corporation; Tokyo |
J |
|
| 2SC460 |
|
| Hitachi Ltd.; Tokyo |
J |
|
| 2SC508 |
|
| Toshiba Corporation; Tokyo |
J |
|
| 2SC627 |
|
| Common type Japan tube/semic... |
J |
|
| 2SC640 |
|
| NEC Corporation, Nippon Elec... |
J |
|
| 2SC680 |
|
| Hitachi Ltd.; Tokyo |
J |
|
| 2SC930 |
|
| Sanyo Electric Co. Ltd.; Mor... |
J |
|
| 2SC984 |
|
| Hitachi Ltd.; Tokyo |
J |
|
| 2SC2023 |
|
| Common type Japan tube/semic... |
J |
|
| 2SC2510 |
|
| Toshiba Corporation; Tokyo |
J |
|
| 2SC2879 |
|
| Toshiba Corporation; Tokyo |
J |
|
| 2SC3060 |
|
| Common type Japan tube/semic... |
J |
|
| 2SC3264 |
|
| Common type Japan tube/semic... |
J |
|
| 2SC3893 |
|
| Toshiba Corporation; Tokyo |
J |
|
| 2SC3998 |
|
| Sanyo Electric Co. Ltd.; Mor... |
J |
|
| 2SC5244 |
|
| Common type Japan tube/semic... |
J |
|
| 2SD424 |
|
| Toshiba Corporation; Tokyo |
J |
|
| 2SD820 |
|
| Toshiba Corporation; Tokyo |
J |
|
| 2SD1521 |
|
| Hitachi Ltd.; Tokyo |
J |
|
| 2SJ48 |
|
| Hitachi Ltd.; Tokyo |
J |
|
Rudolf Osterkamp started his/her tube collection (valve collection) here on 04.Aug.2008.
[index-en]