10TC4
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BrandTesla
ClassCold Cathode Trigger Tube
BaseNoval
Construction
Primary TypeCold Cathode
EnvelopeMiniature Glass
Base MaterialGlass
SectionsSingle
Filament / Heater
Absolute Maximum Ratings
Plate Voltage250 V
Grid 1 Voltage-150 V
Cathode Current40 mA
Audio Performance
Key Features
- Cold molybdenum cathode
- Triggerable by sensitivity or high-resistance switch
- Gas-filled
- Operates as rectifier
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Main Gap Operation | 114V | - | - | - | 20mA |
| Trigger Operation | 220V | - | - | - | 15mA |
Application Notes
Electronic trigger tube with cold cathode for 220V AC supply. Triggering controlled via auxiliary gap. Short-term peak currents up to several amperes are permissible. Can be used with relays or photoresistors.
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