Tube-number record
THYRATRON
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BrandTung-Sol
ClassIndustrial Rectifier, Motor Control, Relay Service
Base5-pin
Construction
Primary TypeOther / special
Rectifier TypeHalf-wave Thyratron
EnvelopeST-16
Base MaterialPlastic/Phenolic
SectionsSingle
Filament / Heater
MaterialHeat Shielded, Oxide Coated
Warm-up Time15s
Absolute Maximum Ratings
Plate Voltage1250 V
Grid 1 Voltage-500 V
Cathode Current1500 mA
Audio Performance
Key Features
- Argon/Mercury Gas Mixture for low temperature starting
- Negative Control Characteristic
- Vertical Mounting (Base Down)
- Shielded oxide filament
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Grid Controlled Rectification | 120 V | — | — | — | 1500 mA |
Application Notes
Avoid cold starts. Energize filament at least 15 seconds before anode voltage application. Recommended operating temperature range 40°C to 80°C. Operation down to -55°C is possible at reduced ratings.
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