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4440

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ID = 51169
       
Country:
United States of America (USA)
Brand: RCA (RCA Victor Co. Inc.); New York (NY)
Tube type:  Photomultiplier 
Identical to 4440
Similar Tubes
Different connections:
  4438 ; 4439 ; 4461

Filament --/--
Description

Ten-stage, ruggedized, flat-faced type having S-11 response.  Wavelength of maximum response is 4400 +/- 500 angstroms. Makes use of cesium-antimony dynodes and a flat-circular, cesium-antimony, semi-transparent photocathode. Window material is Corning No. 0080 lime glass or equivalent. Has a non-hygroscopic base. On a short permanent duodecal base. For measurement of nuclear radiation. 

Identical to type 4438, except has a different outline and terminal connections. 

 
Dimensions (WHD)
incl. pins / tip
40 x 105 x mm / 1.57 x 4.13 x inch
Information source Tube Lore (II)   Page 174

 

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