UY1NS
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BrandTesla
ClassHalf-wave Rectifier
BaseOctal
Filament50V @ 100mA
Construction
Primary TypeHalf-wave rectifier
Rectifier TypeHalf-wave
EnvelopeGlass
Base MaterialBakelite
SectionsSingle
Filament / Heater
Heater NotesIndirectly heated cathode; DC or AC power supply.
Absolute Maximum Ratings
Plate Voltage275 V
Plate Dissipation2.5 W
Cathode Current140 mA
H-C Voltage750 V
Audio Performance
Key Features
- Indirectly heated
- Universal receiver tube
- Bakelite octal base
- Single-way (half-wave) rectification
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Maximum Supply Voltage | 275V | - | - | - | 140mA |
Application Notes
Because the UY1NS has a very low internal resistance, it is necessary to connect a protective resistor in the anode circuit to limit the peak charging current.
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