Data set 01
1950 Sylvania
Published operating points and test conditions from this source.
SECTION 1
Diode
Other
Heater Voltage
7 V
Nominal published value
Heater Current
150 mA
Nominal published value
Diode (NOT rectifier) ·Diode-Diode
7A6
Lock-In dual diode with separate plates and cathodes for AVC, signal detection, and low-current rectification.
Directly heatedCold cathodeCommon cathodeDissimilar
- Sections
- 2
- Base
- 7AJ
- Socket code
- B8G
- Base pins
- 8
- Nominal heater
- 6.3 V / 150 mA
Description
A Lock-In dual diode with separate plates and cathodes, usable for AVC, low-current rectification or detection; its heater is suitable for series or parallel operation.
Socket description
Loctal 8-contact
General specifications
Tube and section characteristics
Properties common to every published source and operating point.
Heater and base
- Base
- 7AJ
- Socket code
- B8G
- Base pins
- 8
- Nominal heater voltage
- 6.3 V
- Nominal heater current
- 150 mA
- Parallel heater voltage
- -
- Parallel heater current
- -
- Series capable
- No
7AJ - 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 peak inverse voltage
- 330 V
- Rectifier nominal output current
- 8 mA
- Rectifier peak forward current
- 48 mA
- Rectifier forward voltage drop
- 11 V
Published handbook ratings and representative operating characteristics reviewed.
Section 2
Diode
X-ray radiationInterelectrode capacitances
No fixed ratings are recorded for this section.
Physical 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.
Data set 02
195X General Electric Essential Characteristics
Published operating points and test conditions from this source.
SECTION 1
Diode
Characteristic
Heater voltage
6.3 V
Published heater rating
Heater current
150 mA
Published heater rating
Other
DC output current
8 mA
RectifierService
Peak inverse voltage
330 V
RectifierService
RMS supply voltage per plate
117 V
RectifierService
Peak current per plate
48 mA
RectifierService
Data set 03
1961 Tung Sol
Published operating points and test conditions from this source.
SECTION 1
Diode
Other
Heater voltage
6.3 V
Nominal
Heater current
150 mA
Nominal
Maximum AC voltage per plate RMS
150 V
Maximum steady-state peak plate current per plate
40 mA