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ID = 81654
Brand: Philips; Eindhoven (tubes international!); Miniwatt
Developer: Philips; Eindhoven (tubes international!); Miniwatt 
Tube type:  Saturation diode   Power-supply 
  Late but no serial production. For instance only development samples. *****
Identical to 3DA
Similar Tubes
Differences not known by us:

Base Rimlock base B8A
Was used by Technology / Measurement
Filament Direct / Special heater – See text

Saturated diode for use in AC/DC stabilizing circuits. Anode current depends upon the temperature of the tungsten filament and hence on the RMS current flowing in it.

Text in other languages (may differ)
3DA: R.O.
Rudolf Osterkamp


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