Data set 01
1962 Eimac
Published operating points and test conditions from this source.
SECTION 1
Tetrode
Other
Peak Positive Plate Voltage
25000 V
PulseModulator
Power - Tetrode (NOT beam) ·Tetrode
4PR60C
Eimac 8252W high-vacuum pulse-modulator tetrode for inductive or resistive loads, optimized for powerful short-duration pulses at approximately 20 kV plate voltage.
Directly heatedCold cathodeCommon cathodeDissimilar
- Sections
- 1
- Base
- -
- Socket code
- -
- Base pins
- -
- Nominal heater
- 26 V / 2.1 A
Description
The EIMAC 8252W is a high-vacuum pulse-modulator tetrode for inductive or resistive load circuits, rated for 20 kV dc plate voltage and 18 A peak plate current.
General specifications
Tube and section characteristics
Properties common to every published source and operating point.
Heater and base
- Base
- -
- Socket code
- -
- Base pins
- -
- Nominal heater voltage
- 26 V
- Nominal heater current
- 2.1 A
- Parallel heater voltage
- -
- Parallel heater current
- -
- Series capable
- No
Terminal pinout
Electrical assignments shared by every tube using this base designation.
No verified pinout is recorded for this base designation.
Section ratings
1 physical section, each with unique specifications.
Section 1
Tetrode
X-ray radiationInterelectrode capacitances
- Max plate voltage
- 20000 V
- Max screen voltage
- 1500 V
- Max plate dissipation
- 60 W
- Max screen dissipation
- 8 W
- Max grid dissipation
- 1 W
- Max cathode current
- 18 A
Source-dependent data
Operating conditions by source
Each block preserves the test conditions and published values from one reference. Values from different sources are intentionally kept separate.