Tube-number record
10TC4
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BrandTesla
ClassCold Cathode Trigger Tube
BaseNoval (B9A)
Construction
Primary TypeOther / special
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 | 114 V | — | — | — | 20 mA |
| Trigger Operation | 220 V | — | — | — | 15 mA |
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.
Datasheets
Datasheet: 10TC4.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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