101D
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BrandWestern Electric
ClassLow-Power, Filamentary Triode
BaseMedium, four-pin bayonet type
Construction
Primary TypeTriode
EnvelopeDome
SectionsSingle
Filament / Heater
Materialimproved filament
Absolute Maximum Ratings
Plate Voltage190 V
Grid 1 Voltage-20 V
Audio Performance
Power Output263 W
Key Features
- Transverse mica supports
- Dome type bulb
- Improved filament
- Medium four-pin bayonet base
- Contact metal pin ends
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Recommended Operating Conditions | 100V | 1090 | 5700 | 6.2 | 8.1mA |
| Recommended Operating Conditions | 130V | 900 | 6800 | 6.2 | 4.7mA |
| Recommended Operating Conditions | 130V | 1070 | 5800 | 6.2 | 7.7mA |
| Recommended Operating Conditions | 160V | 1170 | 5300 | 6.2 | 9.9mA |
| Maximum Operating Conditions | 160V | 1270 | 4900 |
Application Notes
Voice frequency and carrier-frequency amplifier for telephone repeater equipment, modulator/demodulator in carrier systems, and oscillator applications.
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