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Rectifier - TV Line Scan Boost ·Rectifier

1T2

Half-wave high-voltage rectifier specifically intended for television flyback supplies, converting horizontal-output pulses into the CRT accelerating-voltage supply.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
1T2
Socket code
-
Base pins
2
Nominal heater
1.4 V / 140 mA

Description

Half-wave high-voltage rectifier for television flyback supplies. Electrical ratings and representative operating data were extracted from the approved manual page.

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
1T2
Socket code
-
Base pins
2
Nominal heater voltage
1.4 V
Nominal heater current
140 mA
Parallel heater voltage
-
Parallel heater current
-
Series capable
No

1T2 - 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
15000 V
Rectifier nominal output current
2 mA
Rectifier peak forward current
12 mA
Rectifier forward voltage drop
46 V

Published source values promoted where applicable.

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 01

1958 Brimar Radio Valve No 7

Published operating points and test conditions from this source.

SECTION 1

Rectifier

Other

  • Peak Inverse Voltage

    15 kV

  • Peak Anode Current

    12 mA

  • DC Anode Current

    0.5 mA

  • Flyback Pulse Frequency

    10 kHz

  • Flyback Pulse Width

    5 us

Data set 02

195X General Electric Essential Characteristics

Published operating points and test conditions from this source.

SECTION 1

Rectifier

Other

  • Maximum peak inverse voltage

    15000 V

    TVFlyback

  • Maximum peak current

    12 mA

    TVFlyback

Characteristics

  • Forward voltage drop

    46 V

    At 4 mA DC