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ID = 31309
Great Britain (UK)
Brand: Mullard Radio Valve Co. Ltd.;
Tube type:  Voltage Regulator, single   Power-supply 
Identical to M8163
Similar Tubes
Other class quality (otherwise equal):
  150B2 ; 6354

Base Miniatur-7-Pin-Base B7G, USA 1940

Special Quality Voltage Stabiliser Tube
Nominal burning Voltage: 150V
Operating current range: 5 to 15mA.
Voltage regulation over above current range: 5V
Maximumum regulation resistance: 500 ohms
Typical Voltage stability (% per 1000 hours): +1.0

Made by Philips and/or by Philips owned marks, as Amperex, Mullard, Valvo.

Mechanically robust version of 150B2 for use in areas of vibration and shock.

Text in other languages (may differ)
Information source - - Manufacturers Literature   Mullard 1957

mi59_g_1~~1.gif M8163: RTT Schwandt
Günther Stabe † 19.8.20

Just Qvigstad
M8163: Manufacturer's Literature
Emilio Ciardiello

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