Radio-Katalog, Röhren, Halbleiter etc.
DL7_deForest
|
Land:
USA
|
|
| Identisch mit |
DL7_deForest
|
| Ähnliche |
Austauschbar, kleine Unterschiede mögl.
C603
|
| Erste
Serie |
1926
??
Saga of the Vacuum Tube, Tyne Seite 301
|
| Erste Quelle(n) |
Aug.1930 : Philips Bulletin R1164, p. 32
|
| Sockel |
USA-UX-4-Stift-Sockel (2 dick), ab 1924
|
| Anwender |
Radio/TV-Empfang etc. |
| Heizung |
Uf 5 Volt / If 0.5 Ampere / Direkt / Batterieheizung = |
| Beschreibung |
Plate voltage 135. First made 1926 with a black bakelite base. This was changed to "Isolantite" (a type of ceramic) in 1927 and the tube was discontinued in 1928. The bulb diameter was increased to 44 mm late in 1927.
|
Abmessungen (BHT)
inkl. Stifte/Spitzli |
34 x 107 x mm / 1.34 x 4.21 x inch |
| Literatur |
Saga of the Vacuum Tube, Tyne Page 301 & 305
|
|
DL7_deForest: Fin Stewart
Fin Stewart
|
Just Qvigstad
|
|
Sammlung von
|
|
|
|
[rmxtube-ge, noindex]
| Datenkonformität |
Mehr Informationen |
|
|
|
