STR 90/40
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BrandVEB Werk für Fernsehelektronik Berlin
ClassVoltage Stabilizer Tube
Base7-pin Miniature (7-10 TGL 0-41537)
Construction
Primary TypeGlow-discharge stabilizer
EnvelopeGlass
Base MaterialGlass
SectionsSingle
Filament / Heater
Absolute Maximum Ratings
Cathode Current40 mA
Audio Performance
Key Features
- Voltage stabilization
- Cold cathode
- Inertia-free regulation
- Any mounting position
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Stabilizer Operation | 90V | - | 300 | - | 20mA |
Application Notes
Used for automatic and inertia-less maintenance of constant DC voltage. Ignition voltage may be significantly higher in complete darkness. Burning voltage varies by specimen between 86V and 94V at 20mA.
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