Please click your language flag. Bitte Sprachflagge klicken.


Information - Help 
ID = 32307
Brand: Philips; Eindhoven (tubes international!); Miniwatt
Tube type:  Half-Wave Vacuum Rectifier   Power-supply 
  Ca. 1925 up to 1945 rare.
Identical to 1562_UX4-pin = AC81 = 281 = PH281 = UX281
Similar Tubes
Normally replaceable-slightly different:
Other base:

Base UX-Base (4 Pins (2 thick, USA 1924, UX)
Was used by Radio/TV-reception etc.
Filament Vf 7.5 Volts / If 1.25 Ampere / Direct
Description Anode 750 Volt, anodecurrent 110 mA max. 
Text in other languages (may differ)
Dimensions (WHD)
incl. pins / tip
58 x 157 x 35 mm / 2.28 x 6.18 x 1.38 inch
Information source Universal Vade-Mecum, Electron Valves and Semiconductor Devices   
- - Manufacturers Literature   Rif-26 Philips Australia

1562_ux4pin_sock.png 1562_UX4-pin: Universal Vade-Mecum, 1960
Anonymous 15 Collector

Just Qvigstad
1562_UX4-pin: own collection
Peter den Boer

More ...

Collection of

Collection of a member from D


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]