Data set 01
1950 Sylvania
Published operating points and test conditions from this source.
SECTION 1
Diode
Other
Maximum AC Plate Voltage
117 V
Maximum DC Output Current
1 mA
Characteristic
Tube Voltage Drop
8 V
At 2 mA
Resonant Frequency
1500 MHz
Voltage Radio Detector Converter ·Diode
1294
Low-voltage diode for signal detection and high-frequency rectification in battery-powered equipment. Its unusually high resonant frequency supports detector use well into UHF while retaining very modest current requirements.
Directly heatedCold cathodeCommon cathodeDissimilar
- Sections
- 1
- Base
- -
- Socket code
- -
- Base pins
- 8
- Nominal heater
- 1.4 V / 150 mA
Description
1294 is explicitly printed with 1R4 as type 1R4/1294 on the RMA source.
General specifications
Tube and section characteristics
Properties common to every published source and operating point.
Heater and base
- Base
- -
- Socket code
- -
- Base pins
- 8
- Nominal heater voltage
- 1.4 V
- Nominal heater current
- 150 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
Diode
X-ray radiationInterelectrode capacitances
- Max cathode current
- 1 mA
Published values promoted where applicable; sparse source sheets remain sparse rather than inferred.
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.