Antique radios, Old Time Radios
SN7440
Country:
Worldwide
|
|
Identical to |
SN7440
|
Similar
Tubes |
Normally replaceable-slightly different:
D140D
; D220D
; U6A900959X
Other class quality (otherwise equal):
SN7420
|
Base |
SPECIAL TUBEBASE in general
|
Description |
TTL: dual 4-input NAND gates, fan-out 30.
-
Text in other
languages (may
differ)
|
Dimensions (WHD) incl. pins / tip |
18 x 8 x 8 mm / 0.71 x 0.31 x 0.31 inch |
Weight |
1 g / 0.04 oz |
|
SN7440: Pro Electron 1975
Günther Stabe † 19.8.20
|
|
SN7440: Halbl. Frankf.
Egon Strampe
|
Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):1
Collection of
|
|
|
|
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]
Data Compliance |
More Information |
|
|