HIGH-VACUUM PHOTOTUBE

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BrandRCA

ClassPhototube

FilamentV @ mA

Construction

Primary TypeHigh-Vacuum

Base MaterialNon-hygroscopic

Filament / Heater

Absolute Maximum Ratings

Plate Voltage250 V

Audio Performance

Key Features

Non-hygroscopic base
Low leakage
High humidity resistance

Application Notes

For applications critical as to leakage under high humidity conditions. Insures resistance between anode and cathode pins about 10 times higher than conventional bases.

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