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ID = 19032
Great Britain (UK)
Brand: Common type Great Britain tube/semicond.
Tube type:  Half-Wave Vacuum Rectifier   Power-supply 
Identical to 25Z4G
Similar Tubes
Other shape (e.g. bulb type):
  25Z4 ; 25Z4GT

Base Octal (Int.Octal, IO) K8A, USA 1935
Was used by Radio/TV-reception etc.
Filament Vf 25 Volts / If 0.3 Ampere / Indirect / Series, ~ = (AC/DC defined current)

Note jumper pin 3 to 5 !

Text in other languages (may differ)
  25Z4G: Courtesy Bureau Belper (De Muiderkring, Bussum), Scan Frank Philipse
Karel De Reus †
25Z4G: Own collection
Yaroslav Voronov

25Z4G: BRIMAR datasheet
Jacob Roschy

Tim Küpper

from Just Qvigstad

Usage in Models 2= 1939 ; 1= 1940 ; 1= 1941?? ; 1= 1946? ; 3= 1946 ; 3= 1947 ; 2= 1948 ; 1= 1954

Quantity of Models at with this tube (valve, valves, valvola, valvole, válvula, lampe):14

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