Tube-number record
2HQ5
0 archive entries
2HQ5 is a tube type in the TubeDatabase archive (class: Sharp Cutoff Triode). Recorded specifications: brand Sylvania, construction Triode, socket Miniature 7-pin (B7G), maximum plate voltage 200 V, and maximum plate dissipation 2.5 W. The archive does not yet hold a photographed example of this type.
BrandSylvania
ClassSharp Cutoff Triode
BaseMiniature 7-pin (B7G)
Filament2.4 V @ 600 mA
Construction
Primary TypeTriode
EnvelopeT-5 1/2
Sections1
Filament / Heater
Heater NotesWarm-up Time: 11 Seconds
Absolute Maximum Ratings
Plate Voltage200 V
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Class A1 Amplifier | 135 V | 15000 | 5400 | 78 | 11.5 mA |
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