Data set 01
1968 Mazda Belvu
Published operating points and test conditions from this source.
SECTION 1
Tetrode
Application
Application
AFAmplifier_Or_SeriesRegulator text
Power - Tetrode (NOT beam) ·Tetrode
4Y75R
Power tetrode for audio-frequency amplification and high-voltage series-regulator service.
Directly heatedCold cathodeCommon cathodeDissimilar
- Sections
- 1
- Base
- -
- Socket code
- -
- Base pins
- -
- Nominal heater
- 6.3 V / 1.65 A
Description
Power tetrode for AF amplification and series-regulator service.
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
- 6.3 V
- Nominal heater current
- 1.65 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
- Transconductance
- 0.01 S
- Amplification factor
- 4.5
- Max plate voltage
- 800 V
- Max screen voltage
- 400 V
- Max plate dissipation
- 35 W
- Max screen dissipation
- 4.5 W
- Max cathode current
- 200 mA
Published ratings and characteristics promoted from the approved French source.
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.