E235L / 7751
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BrandCBS Electronics
Classbeam power pentode
BaseOctal
Filament6.3V @ 1200mA
Construction
Primary Typebeam power pentode
Envelopeglass
Sections1
Filament / Heater
Heater NotesCoated unipotential cathode
Absolute Maximum Ratings
Plate Voltage250 V
Plate Dissipation10 W
Grid 2 Voltage250 V
Cathode Current200 mA
H-C Voltage250 V
Audio Performance
Key Features
- Reliable
- Long life (over 10,000 hours)
- Free from interface formation
- Low internal resistance at zero grid bias
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Pentode | 100V | 14000 | 5000 | 5.6 | 100mA |
Application Notes
Especially designed as a switching tube for pulsed equipment, as a pass tube in regulated power supplies, and other power tube applications (especially for low anode and screen grid voltages).
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