102F
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BrandWestern Electric
ClassVoltage amplifier triode
BaseMedium four-pin bayonet
Construction
Primary TypeTriode
EnvelopeGlass
SectionsSingle
Filament / Heater
MaterialFilamentary
Absolute Maximum Ratings
Plate Voltage190 V
Grid 1 Voltage-1 V
Audio Performance
Key Features
- Low filament power consumption
- Special contact metal on base pins
- Filamentary type
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Voltage Amplifier (Table Row 1) | 130V | 430 | 69000 | 29.7 | 0.45mA |
| Voltage Amplifier (Table Row 2) | 130V | 550 | 54000 | 30.1 | 0.7mA |
| Voltage Amplifier (Table Row 3) | 130V | 670 | 45000 | 30.5 | 1mA |
| Voltage Amplifier (Table Row 4) | 160V | 420 | 70000 | 29.5 | 0.43mA |
| Voltage Amplifier (Table Row 5) | 160V | 660 | 46000 |
Application Notes
Designed for the same class of service as the 102D but with lower filament power. Used as audio-frequency voltage amplifier, detector or modulator.
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