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Tube Database (7,341 tube types · 1,270 archive entries)

Pre (2,630 tube types), Other (2,603 tube types), Power (1,292 tube types), Rectifier (816 tube types)
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EM-1031 vacuum tube outline illustration

Tube-number record

EM-1031

0 archive entries

EM-1031 is a tube type in the TubeDatabase archive (class: Traveling Wave Tube). Recorded specifications: brand Eitel-McCullough, Inc. (Eimac), construction Other / special, base Metal, socket Flexible / flying leads, and maximum plate voltage 3400 V. The archive does not yet hold a photographed example of this type.

BrandEitel-McCullough, Inc. (Eimac)
ClassTraveling Wave Tube
BaseFlexible / flying leads
Filament6.3 V @ 0.6 mA

Construction

Primary TypeOther / special
EnvelopeCeramic and Metal
Base MaterialMetal
SectionsSingle

Filament / Heater

MaterialOxide coated
Warm-up Time60s

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
CW Amplifier3350 V———34 mA

Application Notes

Ideally suited for radar augmentation or ECM applications in high performance aircraft or missile systems. Designed to operate under severe environmental extremes of shock, vibration, altitude, and temperature.

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    Heater Notes
    Heater voltage should be maintained within +/- 5% for best life.

    Absolute Maximum Ratings

    Plate Voltage3400 V
    Grid 1 Voltage-40 V
    Cathode Current40 mA

    Audio Performance

    Power Output5 W
    Key Features
    • Rugged ceramic and metal construction
    • Periodic permanent magnet array
    • Light weight
    • Temperature compensated focusing
    • Passive heat sink cooling