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QS1221

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ID = 84713
       
Country:
Great Britain (UK)
Brand: English Electric Valve Company Ltd. (EEV); Chelmsford
Tube type:  Voltage Regulator, single   Power-supply 
Identical to QS1221
Similar Tubes
Other base:
  QS1218

Base Wires
Filament
Description

The series of corona stabilizers comprizes five basic types with operating voltages of 1.2 / 1.4 / 1.6 / 1.8 / 2 kV, each type being suffixed with its working voltage.

Operating current: 250 µA
Average incremental impedance: 50 kΩ

 
Information source -- Original prospect or advert   Electronic Engineering

 
qs_1221_b7g_f.jpg

 

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