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MAA550

Information - Help 
ID = 41473
       
Country:
Czechoslovakia
Brand: Tesla; Praha, Bratislava etc.
Tube type:  IC - Integrated Circuit   Power-supply 
Identical to MAA550 = TBA271 = TAA550
Similar Tubes
Other shape (e.g. bulb type):
  µPC574
Normally replaceable-slightly different:
  KA33V ; TDA1550 ; UL1550 ; ZTK33
Base Wires
Description Aufbau/internal: IC (_ Trans., _ Widerst., _ Dioden);
Form/Case: TO-18 (2 Anschlüsse: A - K);
Typ/Content: Stabilisierungsschaltung für Abstimmdioden (Varicaps);
Daten/electr.data: Uin: __ V; Uout: 31...35 V; Ri: __ Ohm; tkoeff: __ mV/grd; tmin: -__ °C; tmax: 75 °C;
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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 - - -   
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maa550typisch.png
MAA550: electronica 142
Egon Strampe
maa550sock.png MAA550: electronica 142
Egon Strampe
maa550techn.png
MAA550: electronica 142
Egon Strampe
More ...
Usage in Models 1= 1973 ; 2= 1978? ; 1= 1978 ; 1= 1979 ; 1= 1984 ; 1= 1985? ; 3= 1985 ; 1= 1986 ; 1= 1987? ; 1= 1989
Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):13

Collection of

Bekir Yurdakul (F)
Jörg Kulbe (D)
Oskar Elm (D)
Egon Strampe (D)
Michael Mischke (D)
 
maa550.jpg

MAA550
 
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