Rectifier - TV Line Scan Boost ·Rectifier
High-voltage television flyback/EHT rectifier designed to convert horizontal-output transformer pulses into the DC accelerating supply required by the CRT.
1H2 is a Rectifier device. High-voltage diode/half-wave rectifier for television flyback or other high-voltage service.
Small-button Noval 9-contact
General specifications
Properties common to every published source and operating point.
Electrical assignments shared by every tube using this base designation.
No verified pinout is recorded for this base designation.
1 physical section, each with unique specifications.
Section 1
Flyback rectifier service; PIV total DC+peak 30 kV, DC component 24 kV; approx. 100 V drop at 7 mA.
Source-dependent data
Each block preserves the test conditions and published values from one reference. Values from different sources are intentionally kept separate.
Data set 01
Published operating points and test conditions from this source.
PeakInverseVoltageDCComponent
24000 V
FlybackRectifier
Plate To Heater Cathode Shield Capacitance
1 pF
Approximate
Forward Voltage Drop
100 V
PlateCurrent=7mA
Data set 02
Published operating points and test conditions from this source.
Filament/heater voltage
1.4 V
Filament/heater current
550 mA
Maximum total DC-plus-peak inverse voltage
- to 30000 V
FlybackRectifier
Maximum steady-state peak plate current
50 mA
FlybackRectifier
Maximum DC output current
0.5 mA
FlybackRectifier
Plate-to-filament/heater capacitance
1 pF
Approximate
Data set 03
Published operating points and test conditions from this source.
Peak inverse plate voltage DC component
24000 V
FlybackRectifier
Peak inverse plate voltage total DC and peak
30000 V
FlybackRectifier
Steady state peak plate current
50 mA
FlybackRectifier
DC output current
0.5 mA
FlybackRectifier
Tube voltage drop
100 V
Ib=7mA
Interelectrode capacitance
1 pF