Tube-number record
2GW5
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BrandSylvania
ClassVHF RF Amplifier Triode
BaseMiniature 7-pin (B7G)
Filament2.45 V @ 600 mA
Construction
Primary TypeTriode
EnvelopeMiniature
SectionsSingle
Filament / Heater
Warm-up Time11s
Absolute Maximum Ratings
Plate Voltage200 V
Plate Dissipation2.5 W
Grid 1 Voltage50 V
Cathode Current25 mA
H-C Voltage100 V
Audio Performance
Key Features
- Frame grid
- Partial shield
- Dual grid leads
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Class A1 Amplifier | 135 V | 15000 | 5800 | — | 12.5 mA |
Application Notes
Control grid to cathode spacing is of close magnitude; avoid exceeding 30V between elements in tube checkers.
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