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StR280/40

Information - Help 
ID = 19131
       
Country:
Germany
Brand: Werk für Fernmeldewesen (OSW, HF, WF) Berlin, VEB, RFT (Ostd.)
Tube type:  Voltage Regulator, cascade 
Identical to StR280/40 = OSW3806 = STV280/40
Similar Tubes
Normally replaceable-slightly different:
  3806_OSW

Base Europe 5-Pin , B5 (Eu O, F, O5A) 1928
Filament --/--
Description

Die vom VEB Werk für Fernmeldewesen (WF) hergestellten Spannungsstabilisatoren wurden 1955 umbenannt. Aus der Buchstabengruppe STV wurde StR.

 
Weight 140 g / 4.94 oz
Tube prices 1 Tube prices (visible for members only)
Information source

str280_40_schaltung_rm.gif
StR280/40: Datenblatt WF (1955)
Wolfgang Eckardt

str280_40_sockel_rm.gif StR280/40: Datenblatt WF (1955)
Wolfgang Eckardt

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Just Qvigstad
d_werk_fuer_fernmeldewesen_str280_40_data1.png
StR280/40: vom Hersteller
Anonymous 209 Collector

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Usage in Models 1= 1957? ; 1= 1959? ; 1= 1960??

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):3

Collection of

 
str280_40_wf.jpg

StR280/40
 

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