radiomuseum.org

 
Please click your language flag. Bitte Sprachflagge klicken.

LA4557

Information - Help 
ID = 74090
       
Country:
Japan
Brand: Sanyo Electric Co. Ltd.; Moriguchi (Osaka)
Tube type:  IC - Integrated Circuit   Power/Output 
Identical to LA4557

Base Wires
Filament Solid State
Description

Aufbau/Content: IC (__ Trans., __ Widerst., __ Dioden, __ Kond.);
Form/Case/Outline: DIP-12F;
Applikation/Type: Dual AF power amplifier for radio/tape recorder; 2 x 1.7 W @ 4 Ω (Vcc: 9V)...8 Ω / BTL: 4.5 W @ 8 Ω;
Daten/electr.data: Vcc: 7.5 ... 9 V; Icc: 20 mA; Pd: <4 W; t op: -20...+75 °C.
-

 
Dimensions (WHD)
incl. pins / tip
20 x 7 x 8 mm / 0.79 x 0.28 x 0.31 inch
Weight 1 g / 0.04 oz
Literature - - Manufacturers Literature   
  la4557_umgeb1.png
  LA4557: Sanyo
Günther Stabe
 
la4557.jpg
LA4557: M.M.
Michael Mischke

 
dip_12f~~1.png
LA4557: Sanyo
Günther Stabe

 
la4557_blockd.png
LA4557: Sanyo
Günther Stabe


Usage in Models 1= 1992??

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


You reach this tube or valve page from a search after clicking the "tubes" tab or by clicking a tube on a radio model page. You will find thousands of tubes or valves with interesting links. You even can look up radio models with a certain tube line up. [rmxtube-en]
  
rmXorg