Tube-number record
8627
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BrandRCA
ClassPower Triode
BaseSubminiature
Filament6.3 V @ 150 mA
Construction
Primary TypeTriode
EnvelopeNuvistor (JEDEC MT-4)
Base MaterialMedium-Ceramic-Wafer Twelve 5-Pin
Sections1
Filament / Heater
Heater NotesHeater Input: 0.95 W
Absolute Maximum Ratings
Plate Voltage300 V
Plate Dissipation2.7 W
Grid 1 Voltage-100 V
Cathode Current30 mA
H-C Voltage100 V
Audio Performance
Key Features
- Nuvistor Type
- High impact shock resistant
- Low-level Class-C RF-Power-Amplifier
- Frequency-Multiplier up to 1.2 Gc/s
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Class A1 Amplifier (Condition 1) | 150 V | 9500 | 6300 | 60 | 9 mA |
| Class A1 Amplifier (Condition 2) | 110 V | 13000 | 5400 | 70 | 11.5 mA |
| CCS Cathode-Drive RF Power Amplifier (1 GHz) | 180 V | — | — | — |
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