EC53
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BrandMullard
ClassTriode
BaseMiniature
Filament6.3V @ 250mA
Construction
Primary TypeTriode
EnvelopeMiniature glass
SectionsSingle
Filament / Heater
Heater NotesIndirectly heated
Absolute Maximum Ratings
Plate Voltage250 V
Plate Dissipation2.5 W
Grid 1 Voltage-1.5 V
Cathode Current20 mA
H-C Voltage40 V
Audio Performance
Key Features
- Ultra short wave triode
- Low power oscillator
- Miniature construction
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Characteristics | 200V | 2900 | 11400 | 33 | 7.5mA |
| Oscillator at 400 Mc/s | 200V | - | - | - | 12.5mA |
Application Notes
The input power is reduced at the higher frequencies in order to keep within the rated maximum anode dissipation.
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