Tube-number record
38HK7
0 archive entries
38HK7 is a tube type in the TubeDatabase archive (class: Compactron Diode-Pentode). Recorded specifications: brand General Electric, year 1965, construction Beam tetrode / beam power, base Button 12-Pin, socket Compactron, and maximum plate voltage 3700 V. The archive does not yet hold a photographed example of this type.
BrandGeneral Electric
ClassCompactron Diode-Pentode
BaseCompactron
Filament37.8 V @ 0.45 mA
Construction
Primary TypeBeam tetrode / beam power
EnvelopeT-12 Glass
Base MaterialButton 12-Pin
Sections2
Filament / Heater
Warm-up Time11s
Heater NotesHeater Warm-up Time: 11 Seconds
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Pentode Section | 130 V | 8800 | 6200 | 4.2 | — |
Application Notes
The diode is intended for service as the damping diode and the pentode as the horizontal-deflection amplifier in television receivers.
0 results