📘 10GN8 Vacuum Tube — Datasheet Summary

(High‑Mu Triode + Sharp‑Cutoff Pentode)

The 10GN8 is a triode‑pentode combination tube commonly used in TV receivers for video amplification (pentode section) and sync‑separator or voltage‑amplifier duties (triode section). Radiomuseum and original GE/Tung‑Sol sheets confirm these characteristics.

🔧 Electrical Characteristics

Heater

ParameterValue
Heater Voltage10.5 V (AC or DC)
Heater Current0.45 A ±0.03 A
Heater TypeIndirect, coated unipotential cathode

🌀 Triode Section

ParameterValue
FunctionHigh‑mu triode (voltage amp / sync separator)
Max Plate Voltage330 V
Max Plate Dissipation1.0 W

📺 Pentode Section

ParameterValue
TypeSharp‑cutoff pentode (video amplifier)
Max Plate Voltage330 V
Max Plate Dissipation5.0 W
Max Screen Voltage330 V
Max Screen Dissipation1.1 W

Item is new old stock in original packaging, may show signs of age. 

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