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4461

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BrandRCA
ClassPhotomultiplier Tube
BaseSpecial

Construction

Primary Type10-stage, head-on, flat-faceplate
EnvelopeT12
Sections10-stage

Filament / Heater

Absolute Maximum Ratings

Plate Voltage1500 V
Cathode Current0.002 mA

Audio Performance

Key Features
  • Rugged vibration-resistant structure
  • Electrostatically focused dynode stages
  • Flat faceplate
  • High sensitivity

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Supply Voltage E = 1250V1250V--170000-
Supply Voltage E = 750V750V--3700-

Application Notes

Especially useful in missile and rocket service where severe environmental conditions may be encountered. Recommended average anode current well below 1 mA for stability.

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