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ID = 34914
Brand: Siemens (& Halske, -Schuckert Werke SSW, Electrogeräte); Berlin, München
Tube type:  IC - Integrated Circuit   Audio Frequency 
Identical to TBA221 = µA741
Similar Tubes
Normally replaceable-slightly different:
Other class quality (otherwise equal):
First Source (s)
Oct.1969 : -- Collector info (Sammler)
Predecessor Tubes TAA521  

Base Wires

Aufbau/Content: IC (20 Trans., 11 Widerst., 1 Kond.);
Form/Case/Outline: TO-99 (TBA221, TBA221N) | DIP-14 (TBA221A) | DIP-8 (TBA221B) | Flatpak 8 Pins (TBA221D, TBA221W braun/braun);
Type/Application: intern kompensierter Mehrzweck-OpAmp (Operationsverstärker);
Daten/ Ub: +/-12 V; Ub max: +/-18 V; Leistungsaufnahme: 50 mW; fg (FT): 1 MHz; Ausgangs-Spitzenstrom: 25 mA; Re: 1 MΩ; Ra: 75 Ω; Leerlaufverstärkung: 100'000;
Variante: TBA222 (TO-99, erweiterter Temperaturbereich): -55...+125 °C;
Ähnlich/similar: MC1741C, LM741C, SN72741, ULN2151, ...
Nachfolger/successor: TL061/80/81, LF351/355/356/357 (Qualitäten anders)

Dimensions (WHD)
incl. pins / tip
10 x 6 x 8 mm / 0.39 x 0.24 x 0.31 inch
Weight 1 g / 0.04 oz
Information source -- Collector info (Sammler)   Pro Electron 1974/75, Siemens

ua741_metall_1.gif TBA221: Elektor 1977
Günther Stabe † 19.8.20

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TBA221: Siemens Integrierte Schaltungen 1972/73
Thomas Günzel

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Usage in Models 1= 1977 ; 1= 1980

Quantity of Models at with this tube (valve, valves, valvola, valvole, válvula, lampe):2

Collection of



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