Data set 01
195X Tesla
Published operating points and test conditions from this source.
SECTION 1
Diode
Characteristics
Interelectrode capacitances
Published
See source sheet for electrode-specific capacitance values
Diode (NOT rectifier) ·Diode-Diode
6X2P
Miniature double diode for detector, discriminator, and low-power rectifier service, with high-frequency capability extending into the UHF range.
Directly heatedCold cathodeCommon cathodeDissimilar
- Sections
- 2
- Base
- -
- Socket code
- B7G
- Base pins
- 7
- Nominal heater
- 6.3 V / 300 mA
Description
TESLA EAA91 is a dual diode with separate indirectly heated cathodes for low- and high-frequency operation; one section has a resonant frequency of about 700 MHz.
Socket description
Miniature 7-contact
General specifications
Tube and section characteristics
Properties common to every published source and operating point.
Heater and base
- Base
- -
- Socket code
- B7G
- Base pins
- 7
- Nominal heater voltage
- 6.3 V
- Nominal heater current
- 300 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
2 physical sections, each with unique specifications.
Section 1
Diode
X-ray radiationInterelectrode capacitances
- Max plate dissipation
- 0.25 W
- Rectifier peak inverse voltage
- 420 V
- Rectifier nominal output current
- 17 mA
- Rectifier peak forward current
- 90 mA
- Rectifier max heater-cathode voltage
- 350 V
Promoted fields are taken from the published electrical-characteristics and maximum-permissible-ratings tables in the approved bilingual source; repeated identical sections are represented once where applicable.
Section 2
Diode
X-ray radiationInterelectrode capacitances
No fixed ratings are recorded for this section.
Second physical diode section added in approved section-structure reconciliation.
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
1970 Russian Tubes Mashpriborintorg
Published operating points and test conditions from this source.
SECTION 1
Diode
Characteristics
Rectified current
17 mA
TwoDiodes TransformerSecondary=2x150V
Initial anode current
20 nA
PerDiode
Other
Maximum heater-to-cathode voltage
350 V
Data set 03
1981 Russian Tubes Katsnelson and Larionov
Published operating points and test conditions from this source.
SECTION 1
Diode
Characteristics
Heater current
300 mA
Translated from Russian source; Ток накала, мА . . . . 300 +25 30025 30015 300--25 300
Other
Service life
500 h
Translated from Russian source; Наработка, ч .. 2>5000 2>5000 2>5000 2>500 —
Heater voltage
6.9 V
Translated from Russian source; Напряжение накала, В 5,7—6,9 5,7—1 6—6,6 5,7—7 5,7—6,9
Peak inverse voltage
420 V
Translated from Russian source; Обратное напряжение, В 450 450 500 450 420