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ID = 48898
Great Britain (UK)
Brand: Common type Great Britain tube/semicond.
Tube type:  INDICATOR, in general   Indication 
Identical to CV5412 = DM160 = 6977
Similar Tubes
Other class quality (otherwise equal):

Base Subminiatur (wire-ends, flat) B5A Wires only.
Filament Vf 1 Volts / If 0.03 Ampere / Direct / Specified voltage AC/DC
Description Bar indicator tube, specifically designed as indicator for transistorized computers. Blue-green bar lights when control grid is at zero potential. Intended to replace the HV transistor and neon lamp combination.
50VDC at 0.5mA anode in on state; 3VDC on the grid cut-off plate current and light. 20,000 hours life. 4-pin flying leads base.
Philips related brands, as Amperex and Mullard. 
Information source -- Collector info (Sammler)   
-- Original-techn. papers.   

CV5412: Manufacturer's Literature
Emilio Ciardiello

dm160.png CV5412: Manufacturer's Literature
Emilio Ciardiello

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Just Qvigstad
CV5412: Manufacturer's Literature
Emilio Ciardiello

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