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GP-5 / GP5 = ED500 = 6BK4 tube. Beam triode NIB

Manufacturers: Svetlana, St. Peterburg, Russia
In Stock: 45
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The Svetlana GP-5 (ГП-5) is a glass-envelope beam power triode intended for use as a shunt regulator or pulse modulator in high-voltage systems. It features anode operating voltage of 30 kV and a plate dissipation of 37.5 watts. Originally intended for color-TV voltage stabilization, the GP-5 is similar to the Telefunken ED500 and may be used to retrofit equipment which uses the American type 6BK4 or other high-voltage beam triodes.

All tubes new, military equipment and have "OTK" mark. Near equivalent: ED500 and 6BK4. The tube is manufactured by the Svetlana, St. Peterburg, Russia.

General characteristics:
Name: GP5
Cathode: oxide-coated, unipotential
Voltage (AC or DC), V: 6.3 (± 0.6)
Current, mA: 210 (± 20)
Heater-cathode voltage, peak, V: ±200
Amplification factor (nominal): 2750
Transconductance (nominal), uS: 700
Interelectrode capacitances (typical), with cathode grounded:
- Input 4.0 pF
- Output 1.5 pF
- Feedback 0.1 pF

Mechanical characteristics:
Base standard magnoval, glass button
Socket Svetlana SK509 or similar
Anode cap approx. 3/8 in (9 mm) diameter
Anode connector same as 6BK4 or 807
Operating position Any (vertical for convection cooling)
Nominal dimensions:
- Height of glass envelope 100 mm (3 7/8 in)
- Diameter of glass envelope 46 mm (1 3/4 in)
- Overall height 125 mm (4 7/8 in.)
Net weight, g: 115

Maximum ratings:
Anode voltage, kV: 30
Anode dissipation, W: 37.5
Anode current, continuous, mA: 2
Grid voltage, V: -450
Maximum grid-circuit resistance, megohms: 3
Envelope temperature, C: 250

All datasheets here.



Manufacturers: Svetlana, St. Peterburg, Russia
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