Data set 01
1950 Sylvania
Published operating points and test conditions from this source.
SECTION 1
Diode
Characteristic
HeaterOrFilamentVoltage
7 V
HeaterOrFilamentCurrent
150 mA
Diode (NOT rectifier) ·Diode-Diode
5679
Cathode-type twin diode for detector, discriminator, clipping, and general signal rectification, providing two compact thermionic rectifiers in one envelope.
Directly heatedCold cathodeCommon cathodeDissimilar
- Sections
- 2
- Base
- 7CX
- Socket code
- B7G
- Base pins
- 7
- Nominal heater
- 6.3 V / 150 mA
Description
Cathode-type duo-diode with center-tapped heater.
Socket description
Miniature 7-contact
General specifications
Tube and section characteristics
Properties common to every published source and operating point.
Heater and base
- Base
- 7CX
- Socket code
- B7G
- Base pins
- 7
- Nominal heater voltage
- 6.3 V
- Nominal heater current
- 150 mA
- Parallel heater voltage
- -
- Parallel heater current
- -
- Series capable
- No
7CX - Terminal pinout
Electrical assignments shared by every tube using this base designation.
No verified pinout is recorded for this base designation.
Section ratings
2 physical sections, each with unique specifications.
Section 1
Diode
X-ray radiationInterelectrode capacitances
- Rectifier nominal output current
- 8 mA
- Rectifier peak forward current
- 45 mA
- Rectifier forward voltage drop
- 11 V
Two electrically identical diode sections; one representative section emitted.
Section 2
Diode
X-ray radiationInterelectrode capacitances
No fixed ratings are recorded for this section.
Published ratings and characteristics promoted from supplied Sylvania 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.
Data set 02
195X General Electric Essential Characteristics
Published operating points and test conditions from this source.
SECTION 1
Diode
Other
Maximum DC Output Current Per Plate
8 mA
HalfWave;EachSection
Maximum RMS Supply Voltage Per Plate
150 V
HalfWave;EachSection
Maximum Peak Current Per Plate
45 mA
HalfWave;EachSection
Characteristic
Forward Voltage Drop
11 V
HalfWave;EachSection
Forward Voltage Drop Test Current
16 mA
HalfWave;EachSection