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D120D

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ID = 66379
       
Country:
Germany
Brand: Halbleiterwerk Frankfurt /Oder, VEB, (HFO); Frankfurt /Oder (Ostd.)
Tube type:  IC - Integrated Circuit   Universal 
Identical to D120D
Similar Tubes
Normally replaceable-slightly different:
  D220D ; SN7420

Base SPECIAL TUBEBASE in general
Description

Aufbau/internal: IC (Logik-TTL Digital) dual 4-input NAND gates, fan-out 10;
Form/Case/Outline: DIP-14 (D120D) | CerDip-14 (D120C);
Daten/electr.data: Ub: 5 V; Ib: __ mA; pd: __ mW; t op: 0...70 °C.
Austauschtyp: FJH111 (Siemens), SN7420N (TI), TL7420N, MIC7420N (Motorola), SFC420E (ST);
-

 
Dimensions (WHD)
incl. pins / tip
18 x 7 x 8 mm / 0.71 x 0.28 x 0.31 inch
Weight 1 g / 0.04 oz

d120_3.png
D120D: RFE 17-74
Oskar Elm

d120d_s.gif D120D: (SN7420)
Günther Stabe † 19.8.20

d120_1.png
D120D: RFE 17-74
Oskar Elm

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Usage in Models 1= 1979 ; 1= 1988?

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

Collection of

Collection of a member from D
 
hfo_d120c.jpg

D120D
 

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