Tube-number record
EY 91
0 archive entries
BrandPhilips
ClassHigh-vacuum HALF-WAVE RECTIFIER
BaseMiniature 7-pin (B7G)
Filament6.3 V @ 0.42 mA
Construction
Primary TypeDiode
Rectifier TypeHalf-wave
EnvelopeMiniature Glass
SectionsSingle
Filament / Heater
Heater NotesIndirect by A.C. parallel supply
Absolute Maximum Ratings
Plate Voltage250 V
Cathode Current75 mA
H-C Voltage300 V
Audio Performance
Key Features
- High-vacuum
- Indirectly heated
- Half-wave rectification
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Rectifier (Vtr=250V, C=32uF) | 250 V | — | 100 | — | 75 mA |
| Rectifier (Vtr=250V, C=16uF) | 250 V | — | 50 | — | 75 mA |
| Rectifier (Vtr=200V, C=32uF) | 200 V | — | 70 | — |
Application Notes
Designed for A.C. parallel supply heating.
Datasheets
Datasheet: EY91.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
0 results