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ID = 39788
United States of America (USA)
Brand: Common type USA tube/semicond.
Tube type:  IC - Integrated Circuit   Audio Frequency 
Identical to NE645 = NE645B
Similar Tubes
Normally replaceable-slightly different:
  LM1011 ; NE646
Other base and data slightly different:
Predecessor Tubes NE545  

Base SPECIAL TUBEBASE in general

Aufbau/internal: IC (__ Trans., __ Widerst., __ Dioden, __ Kond.);
Form/Case/Outline: DIP-16 (NE645B / NE645N);
Type/Application: DOLBY° B noise reduction system;
Daten/ Vcc: <18 V; Icc: __ mA; Pd: __ mW; t op: -40...85 °C;
Manufactured by Signetics Corp. (USA)

Dimensions (WHD)
incl. pins / tip
20 x 6 x 8 mm / 0.79 x 0.24 x 0.31 inch
Weight 1 g / 0.04 oz

NE645: Telefunken Schema
Günther Stabe † 19.8.20

dip16_sot38_124.gif NE645: TTT Steidle 1981
Günther Stabe † 19.8.20

Usage in Models 1= 1978 ; 1= 1979 ; 1= 1980? ; 2= 1983?? ; 1= 1985??

Quantity of Models at with this tube (valve, valves, valvola, valvole, válvula, lampe):6

Collection of



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