7802WA
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BrandTung-Sol
ClassIndustrial Ruggedized Medium-Mu Twin Power Triode
BaseLarge wafer octal 8-pin with metal sleeve
Filament6.3V @ 2.5mA
Construction
Primary TypeTwin Triode
EnvelopeT12
Base MaterialLarge wafer octal 8-pin with metal sleeve, JEDEC type B8-98
Sections2
Filament / Heater
Heater NotesMin/Max range 6.0V to 6.6V
Absolute Maximum Ratings
Plate Voltage250 V
Plate Dissipation13 W
Cathode Current160 mA
H-C Voltage300 V
Audio Performance
Key Features
- Rugged version of 7802
- High perveance
- High transconductance at low plate voltages
- Suitable for series regulation
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Series Regulator Service | 100V | 20000 | - | 9 | 115mA |
Application Notes
Widely used as a passing tube or series regulator tube in controlled power supplies. Use of cathode resistors (approx 1/3 value of equivalent plate resistors) is recommended for current division when paralleled.
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