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ID = 28335
Brand: Common type France tube/semicond.
Tube type:  Damper, booster, flyback diode 
Identical to PY81F = 17Z3F
Similar Tubes
Other class quality (otherwise equal):
  17Z3 ; PY81

Base Noval, 9 pin miniature (USA pico-9) B9A Top contact with a cap.
Filament Vf 17 Volts / If 0.3 Ampere / Indirect / Specified current AC/DC ~ = (Series working)
Dimensions (WHD)
incl. pins / tip
22 x 89 x mm / 0.87 x 3.50 x inch
Weight 13 g / 0.46 oz

py81f_so.png PY81F: rtt
Anonymous 10 Collector

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Just Qvigstad
PY81F: Manufacturers data
Patrice Zeissloff

Collection of



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