Data set 01
1958 Compagnie General
Published operating points and test conditions from this source.
SECTION 1
Rectifier
Other
Peak Inverse Voltage
15000 V
Maximum Supply Frequency
200 kHz
Rectifier - TV Line Scan Boost ·Rectifier
1Z2
High-voltage low-current half-wave vacuum rectifier with a thoriated-tungsten filament. Its compact construction and multi-kilovolt capability suit specialized high-voltage power supplies.
Directly heatedCold cathodeCommon cathodeDissimilar
- Sections
- 1
- Base
- 7CB
- Socket code
- B9A
- Base pins
- 7
- Nominal heater
- 1.25 V / 265 mA
Description
High-voltage low-current vacuum rectifier with thoriated-tungsten filament for compact high-voltage power supplies.
Socket description
Small-button Noval 9-contact
General specifications
Tube and section characteristics
Properties common to every published source and operating point.
Heater and base
- Base
- 7CB
- Socket code
- B9A
- Base pins
- 7
- Nominal heater voltage
- 1.25 V
- Nominal heater current
- 265 mA
- Parallel heater voltage
- -
- Parallel heater current
- -
- Series capable
- No
7CB - 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
Rectifier
X-ray radiationInterelectrode capacitances
- Rectifier peak inverse voltage
- 20000 V
- Rectifier nominal output current
- 2 mA
- Rectifier peak forward current
- 10 mA
- Rectifier forward voltage drop
- 50 V
Directly heated half-wave high-voltage rectifier with a 20 kV peak-inverse-voltage rating.
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
Rectifier
Other
Maximum inverse voltage
20000 V
HalfWaveRectifier
Maximum DC output current
2 mA
HalfWaveRectifier
Maximum peak current
10 mA
HalfWaveRectifier
Characteristics
Forward voltage drop
50 V
HalfWaveRectifier; At 5 mA DC
Data set 03
1961 Tung Sol
Published operating points and test conditions from this source.
SECTION 1
Rectifier
Other
Heater voltage
1.25 V
Nominal
Heater current
265 mA
Nominal
Data set 04
1966 Tung Sol Electronic Tubes 3 of 4
Published operating points and test conditions from this source.
SECTION 1
Rectifier
Other
Filament voltage
1.25 V
Filament current
265 mA
Maximum steady-state peak plate current
5.5 mA
HighVoltageRectifier
Maximum DC output current
3.5 mA
HighVoltageRectifier
Characteristic
Minimum filament heating time
0 s