Tube-number record
Y-1251
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BrandGeneral Electric
ClassPlanar Triode
Filament6.3 V @ 240 mA
Construction
Primary TypeTriode
EnvelopeCeramic-and-metal
SectionsSingle
Filament / Heater
Warm-up Time60s
Absolute Maximum Ratings
Plate Voltage200 V
Plate Dissipation2.5 W
Grid 1 Voltage50 V
Cathode Current20 mA
H-C Voltage50 V
Audio Performance
Power Output0.02 W
Key Features
- Ceramic-and-metal planar construction
- Intended for use as oscillator or radio-frequency power amplifier up to 6000 megahertz
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Average Characteristics | 150 V | 13000 | 5000 | 65 | 13.4 mA |
| CW Oscillator Service | 150 V | — | — | — | 15 mA |
Application Notes
Developmental type; electrical and mechanical characteristics subject to change.
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