Data set 01
1944 Hytron
Published operating points and test conditions from this source.
SECTION 1
Triode
Characteristics
Heater or filament voltage
7.5 V
Published nominal value
Heater or filament current
2 A
Published nominal value
Power - Triode ·Triode
HY25
High-mu transmitting triode for RF amplification, oscillator operation, Class B modulation, and audio-frequency power amplification.
Directly heatedCold cathodeCommon cathodeDissimilar
- Sections
- 1
- Base
- -
- Socket code
- UX4
- Base pins
- -
- Nominal heater
- 7.5 V / 2 A
Description
The Hytron HY25 is a three-slectrode transmitting tube of the high mu type for use as a radlo-frequency amplifier, osclllator, or Class "B" modulator and audlo-frequency amplifier.
Socket description
Medium-shell UX 4-contact
General specifications
Tube and section characteristics
Properties common to every published source and operating point.
Heater and base
- Base
- -
- Socket code
- UX4
- Base pins
- -
- Nominal heater voltage
- 7.5 V
- Nominal heater current
- 2 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
Triode
X-ray radiationInterelectrode capacitances
- Max plate voltage
- 800 V
Promoted ratings/characteristics from HY25.pdf.
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.