Data set 01
194X Miniwatt
Published operating points and test conditions from this source.
SECTION 1
Diode
Other
PeakCurrent
54 mA
Diode (NOT rectifier) ·Diode-Diode
XAA91
Twin diode with separate cathodes for detector, discriminator, clipping, switching, and general signal rectification, using a 3.15 V heater suited to series-heater equipment.
Directly heatedCold cathodeCommon cathodeDissimilar
- Sections
- 2
- Base
- -
- Socket code
- B7G
- Base pins
- 7
- Nominal heater
- 3.15 V / 600 mA
Description
Dual diode with separate cathodes for general diode service and series-heater equipment.
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
- 3.15 V
- Nominal heater current
- 600 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 cathode current
- 9 mA
Representative section for two identical diode systems with separate cathodes.
Section 2
Diode
X-ray radiationInterelectrode capacitances
No fixed ratings are recorded for this section.
Physical second diode section added during 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.