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21GY5

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BrandGeneral Electric
ClassBeam Pentode
BaseCompactron
Filament21V @ 450mA

Construction

Primary TypeBeam Pentode
EnvelopeCompactron
SectionsSingle

Filament / Heater

Warm-up Time11s
Heater NotesHeater voltage for a bogey tube at If = 0.45 amperes

Absolute Maximum Ratings

Audio Performance

Key Features
  • Compactron
  • Beam-power pentode
  • Horizontal-deflection amplifier

Application Notes

The 21GY5 is a compactron beam-power pentode designed for use as the horizontal-deflection amplifier in television receivers. Except for heater characteristics, the 21GY5 is identical to the 6GY5.

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