Data set 01
1944 Hytron
Published operating points and test conditions from this source.
SECTION 1
Pentode
Characteristics
Heater or filament voltage
1.4 V
Published nominal value
Heater or filament current
70 mA
Published nominal value
Voltage Pentode ·Pentode
HY125
Directly heated Bantam Jr. pentode for high-gain, high-impedance audio voltage amplification in compact battery-powered equipment.
Directly heatedCold cathodeCommon cathodeDissimilar
- Sections
- 1
- Base
- -
- Socket code
- -
- Base pins
- -
- Nominal heater
- 1.4 V / 70 mA
Description
BANTAM JR. SERIES Type HY113 Triode R. F. Oscillator or Detector Filament Voltage............ 1.4 volts Filament Current... ....70 ma. Plate Voltage...... ..45 volts Grid Voltage.................. —4.5 volts Plate Current........coocooveeeeece. 0.4 ma. Transconductance.......250 umhos. Amp. Factor ... 6.3 Plate Resistance ... 25,000 ohms $1.75 Net Type HY115 Pentode High Gain, High Impedance, Audio Voltage Amplifier Filament Voltage............. 1.4 volts Filament Current.. ...70 ma Plate Voltage........ 45 volts Screen Voltage.. ..22.5 volts Grid Voltage ... ~1.5 volts Av. Plate Current.......... 0. 03 ma. Av. Screen Current..... Av, Amp. Factor... Transconductance.. Plate Resistance.....
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
- 1.4 V
- Nominal heater current
- 70 mA
- 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
Pentode
X-ray radiationInterelectrode capacitances
- Plate resistance
- 25000 Ω
- Transconductance
- 0.00025 S
Promoted ratings/characteristics from HY113.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.