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UL1550

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ID = 42328
       
Country:
Poland
Brand: Unitra CEMI, Naukowo-Produkcyjne Centrum Półprzewodników; Warschau
Tube type:  IC - Integrated Circuit   Power-supply 
Identical to UL1550
Similar Tubes
Other shape (e.g. bulb type):
  µPC574
Normally replaceable-slightly different:
  KA33V ; MAA550 ; TAA550 ; TBA271 ; TDA1550 ; ZTK33
Base Wires
Description

Aufbau/internal: IC (3 Trans., 8 Widerst., 7 Zener-Dioden);
Form/Case/Outline: TO-18 (2 Anschlüsse: A - K);
Type/Application: Stabilisierungsschaltung für Abstimmdioden (Varicaps);
Daten/electr.data: V in: <40 V; Uout: 31...35 V; Iz: 5 mA; t amb: 25 °C;
Manufactured by UNITRA Cemi (Poland) -

 
Dimensions (WHD)
incl. pins / tip		 6 x 6 x 6 mm / 0.24 x 0.24 x 0.24 inch
Weight 1 g / 0.04 oz
Information source - - Manufacturers Literature   
ul1550_umgeb1.gif
UL1550: Unitra
Günther Stabe † 19.8.20
ul1550_s.gif UL1550: Unitra
Günther Stabe † 19.8.20
ul1550_innen.png
UL1550: Unitra
Günther Stabe † 19.8.20
Usage in Models 1= 1975 ; 1= 1976 ; 1= 1977 ; 1= 1979 ; 1= 1980??
Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):5

Collection of

Jacky Parmentier (F)
 
ul1550_redimensionner.jpg

 
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