DY 87, Tube DY87; Röhre DY 87 (DY87)

Antique radios, Old Time Radios

DY87

Country:	Europe	Brand:	Common type Europe
		Developer:	Philips; - Eindhoven; Netherlands
		Tube type:	Half-Wave Vacuum Rectifier

Tube ID = 4020


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Identical to	DY87 = 1S2A
First Series	1957 -- Collector info (Sammler)

Base	Noval, B9A Top contact with a cap
Was used by	Radio/TV-reception etc.
Filament	-: Half indirect / If: 0.55 Ampere / Vf 1.4 Volts /
Description	Is a DY86 with a surface which brings better isolation in humid conditions. Mainly for rectification of line flyback pulses up to 18 kV. Text in other languages (may differ)
Tube prices	0 Tube prices (visible for members only)


	Courtesy Bureau Belper (De Muiderkring, Bussum), Scan Frank Philipse Karel De Reus

scc
Christian Schaufelberger

Telefunken Röhrenhandbuch
Wolfgang Bauer

Usage in Models	1= 1956? ; 1= 1956 ; 11= 1957 ; 30= 1958 ; 5= 1959? ; 19= 1959 ; 1= 1960?? ; 2= 1960? ; 16= 1960 ; 1= 1961?? ; 2= 1961? ; 23= 1961 ; 1= 1962?? ; 2= 1962? ; 15= 1962 ; 1= 1963? ; 8= 1963 ; 13= 1964 ; 2= 1965?? ; 26= 1965 ; 2= 1966? ; 11= 1966 ; 1= 1967? ; 12= 1967 ; 3= 1968? ; 6= 1968 ;
Number of Models with this tube 215

Further Information for

DY87

Bekanntes Herstellungsjahr der DY87?? (27.08.2005) Wolfgang Scheida	Clicks: 387 Replies: 2
Die DY87 wird im Röhrenverzeichnis mit 1959 als erstes Herstellungsjahr geführt. Gibt es Röhrenverzeichnisse die diesen Typ bereits früher gelistet haben. Danke für Ihre Antwort da sich damit die Herstelldaten diverser TV Geräte besser einordnen lassen. Wolfgang Scheida More ...

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