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ID = 21228
Brand: Elesta AG, Bad Ragaz
Tube type:  Voltage Regulator, single   Power-supply 
Identical to ES11
First year 1952 Tube leaflet collection E.Erb Analysis by original leaflets

Base Subminiatur (wire-ends, flat) B5A

1 Glimmstrecke, max. Zündspannung 135 V, Brennspannung 95...100 V, I ca. 0.5...5 mA, Ri ca. 500 Ohm

Dimensions (WHD)
incl. pins / tip
8 x 33 x mm / 0.31 x 1.30 x inch
Information source Schweizer Elektronenröhren 1917-2003, Willi E.   Seite 143
Röhren-Taschen-Tabelle, (Franzis RTT)   

sm85_g_1.gif ES11: RTT Schwandt
Günther Stabe † 19.8.20

Just Qvigstad
Usage in Models 1= 1959 ; 1= 1964? ; 1= 1965?

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

Collection of



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