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1P21

Information - Help 
ID = 26085
       
Country:
United States of America (USA)
Brand: Common type USA tube/semicond.
Developer: RCA (RCA Victor Co. Inc.); New York (NY) 
Tube type:  Photomultiplier 
Identical to 1P21
Similar Tubes
Normally replaceable-slightly different:
  CV2696

Base 11-Pin-USA-old
Was used by Technology / Measurement
Filament
Description

Multiplier Phototube 9-stage-type with Spectral S-4 response.

 
Dimensions (WHD)
incl. pins / tip
30 x 85 x 30 mm / 1.18 x 3.35 x 1.18 inch
Weight 50 g / 1.76 oz
 
e_1p21.jpg
1P21: PROPIA
Pedro Prieto-Castro

 
1p21_sock.png
1P21: elektron taschenbuch 1952
Heinz Höger

 
1p21_courbe.png
1P21: RCA
Patrice Zeissloff



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