radiomuseum.org

 
Please click your language flag. Bitte Sprachflagge klicken.

2SA641

Information - Help 
ID = 38560
       
Country:
Japan
Brand: NEC Corporation, Nippon Electric Co. Ltd. (Nippon Denki); Tokyo
Tube type:  Transistor   Universal 
Identical to 2SA641
Similar Tubes
Normally replaceable-slightly different:
  BC307 ; BC557

Base Wires
Filament Solid State
Description Material/Aufbau/Pol.: Silizium Planar PNP;
Form/Case: TO-92 Anschlussfolge BCE;
Daten/electr.data: I F: 0.5 mA; U S: <0.5 V; Isp: <50 nA; ß (beta): 225-1000*; N: 250 mW; Imax(Ic): 30 mA; Umax(Uce): -50 V; f g(FT): >50 MHz; tmax: __ °C; kompl.: 2SC923.
- Varianten: Suffix E= 350-700*, F= 225-450*, U= 500-1000* (beta-Gruppen). - 
Dimensions (WHD)
incl. pins / tip
5 x 5 x 4 mm / 0.20 x 0.20 x 0.16 inch
Weight 1 g / 0.04 oz
Information source - - -   
-- Collector info (Sammler)   TTT Steidle 1981
- - -
- - -
 
2sa641_nec_hfm.jpg
2SA641: W.HFM
Wilfried Hofmüller

 
to92_bc_1.gif
2SA641: TTT Steidle 1981
Günther Stabe

 

Usage in Models 1= 1972? ; 1= 1974?

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


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