Extrait de la collection de lampes / semi-conducteurs de Rudolf Osterkamp. Ces images ont été chargées sur la page d'une lampe / semi-conducteur par Rudolf Osterkamp.
| UCL11 |
1939 |
| Common type Europe tube/semi... |
EU |
|
| UDN2982 |
|
| Common type USA tube/semicond. |
USA |
|
|
| UF-2 |
|
| Common type Japan tube/semic... |
J |
|
| UF5408 |
|
| Common type Worldwide tube/s... |
ZZ |
|
| UGB3132AD |
|
| Common type USA tube/semicond. |
USA |
|
| UGN3020 |
|
| Common type USA tube/semicond. |
USA |
|
| UL2_Valvo |
1948 |
| Valvo GmbH, Radioröhrenfabri... |
D |
|
| UL1402 |
|
| Unitra CEMI, Naukowo-Produkc... |
PL |
|
| Ultra |
|
| Radioröhren-Laboratorium-Gmb... |
D |
|
| UM11 |
1940 |
| Common type Europe tube/semi... |
EU |
|
| UM61256 |
|
| Common type Taiwan tube/semi... |
TW |
|
| unknown_Deuterium-Lp |
|
| Common type Worldwide tube/s... |
ZZ |
|
| Unknown_photocell |
|
| RCA (RCA Victor Co. Inc.); N... |
USA |
|
| US4K80R |
|
| Common type Japan tube/semic... |
J |
|
| UU3 |
|
| Mazda = Valve (Tube) brand G... |
GB |
|
| UV201A |
1922 |
| General Electric for Brand R... |
USA |
|
| UV216 |
1921 |
| General Electric for Brand R... |
USA |
|
| UV876 |
|
| RCA (RCA Victor Co. Inc.); N... |
USA |
|
| UV886 |
|
| General Electric for Brand R... |
USA |
|
| UVC3100 |
|
| Intermetall Halbleiterwerk, ... |
D |
|
| UX-30_Japan |
|
| Common type Japan tube/semic... |
J |
|
| UX120 |
|
| Common type USA tube/semicond. |
USA |
|
| UX200A |
1926 |
| Common type USA tube/semicond. |
USA |
|
| UX240 |
1927 |
| Common type USA tube/semicond. |
USA |
|
| UX865 |
|
| RCA (RCA Victor Co. Inc.); N... |
USA |
|
| UX874 |
|
| RCA (RCA Victor Co. Inc.); N... |
USA |
|
| UY1 |
|
| Common type Europe tube/semi... |
EU |
|
| UY227 |
1927 |
| Common type USA tube/semicond. |
USA |
|
| V1,4-St10 |
|
| Siemens (& Halske, -Schucker... |
D |
|
