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Information - Help 
ID = 54941
United States of America (USA)
Brand: Common type USA tube/semicond.
Tube type:  IC - Integrated Circuit   Power-supply 
Identical to LM340T12
Similar Tubes
Normally replaceable-slightly different:
  GL7812 ; LM340T-xx ; µA78xx

Base Wires
Filament Solid State /

Aufbau/Content: IC (27 Trans., 30 Widerst., 2 Kond., 3 Dioden);
Form/Case/Outline: TO-220;
Type/Application: 3-terminal positive voltage regulator;
Daten/ U in: <35 V; U out: 12 V (U in min= U out + 3 V); Imax out: 1 A.
More Details: LM340T-xx / µA78xx -

Text in other languages (may differ)
Dimensions (WHD)
incl. pins / tip
10 x 16 x 3 mm / 0.39 x 0.63 x 0.12 inch
Weight 2 g / 0.07 oz

LM340T12: Eigene Sammlung
Egon Strampe

LM340T12: TTT Steidle 1981
Günther Stabe


Usage in Models 1= 1980??

Quantity of Models at with this tube (valve, valves, valvola, valvole, válvula, lampe):1

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