Special Features:

Type head on, size 28mm, active area diameter or length 25mm, min wavelength 300m, max wavelength 650m, peak sensitivity wavelength 420m, cathode radiant sensitivi type 88ma/w, window borosilicate, cathode type bialkail, cathode luminous sensitivi type 200a/lm, gain 2.1e+06, dark current 2na, rise time4ns, transit time 30ns, transit time spread 3ns, number of dynodes 11, applied voltage 1000v, multi anode n, maganetic shield e989-03, socket bare e678-14c, socket+bleeder+hv circuit c9028-01, sockety+bleeder+hv+amp c7950-01, power supply c3830 c4720 c4710 c7319 c6438 c5594 n7279 amplifier m8879

Properties:

An inclosure, including two or more electrodes, in which a flow of electrons may occur through a vacuum or a contained gas. The electronic conduction takes place either by means of electrons emitted from a cathode or by ionization of the contained gas. Includes phototubes (photoemissive type only), geiger-mueller tubes, traveling wave tubes, cathode ray tubes and microwave tubes (klystron, magnetron, or the like). Excludes items whose primary purpose is to produce light energy. Also excludes photoelectric cell; and semiconductor device (as modified).