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4PR65A
Power - Beam (NOT sweep)BeamPower
PDF Google eBay
Base
Refer to variations
Socket code
Refer to variations
Sections
1
Heater
6 V / 2.6 A
Plate
15,000 V / 65 W
Screen
500 V / 12 W
Ik max
200 mA
μ
60
5 pins
Variations:8187
Radial-beam pulse tetrode for pulse modulator, amplifier, and oscillator service, with approximately 15 kV plate capability and high amplification factor.
High Voltage Tube Pulse Modulator Pulse Rated
Source PDFs (1)
- 1975 Eimac Tube Manual (opens in a new tab)
8187
Power - Tetrode (NOT beam)Tetrode
PDF Google eBay
Base
Refer to variations
Socket code
Refer to variations
Sections
1
Heater
6 V / 2.6 A
Plate
15,000 V / 65 W
Screen
500 V / 12 W
Ik max
200 mA
μ
60
Variations:4PR65A
Radial-beam pulse tetrode designed for pulse-modulator, pulsed-amplifier, and pulsed-oscillator service in high-power electronic systems.
Oscillator Tube Pulse Modulator Pulse Rated Switching Tube Transmitting Tube
Source PDFs (3)

Electrical Summary

General Summary

4PR65A

Power - Beam (NOT sweep)BeamPower

Heater	6 V / 2.6 A
Plate	15,000 V / 65 W
Screen	500 V / 12 W
Ik max	200 mA
μ	60

5 pins

Variations:8187

Radial-beam pulse tetrode for pulse modulator, amplifier, and oscillator service, with approximately 15 kV plate capability and high amplification factor.

High Voltage Tube Pulse Modulator Pulse Rated

8187

Power - Tetrode (NOT beam)Tetrode

Heater	6 V / 2.6 A
Plate	15,000 V / 65 W
Screen	500 V / 12 W
Ik max	200 mA
μ	60

Variations:4PR65A

Radial-beam pulse tetrode designed for pulse-modulator, pulsed-amplifier, and pulsed-oscillator service in high-power electronic systems.

Oscillator Tube Pulse Modulator Pulse Rated Switching Tube Transmitting Tube

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