Skip to main content

Rectifier - TV Line Scan Boost ·Rectifier

DY80

High-voltage television EHT rectifier for rectifying flyback-transformer pulses into the CRT accelerating supply. Rated for approximately 23 kV peak inverse voltage and about 1 mA DC output.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
-
Socket code
B9A
Base pins
-
Nominal heater
1.25 V / 200 mA

Description

The Telefunken DY80 is a high-voltage half-wave rectifier for television flyback/EHT 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
-
Socket code
B9A
Base pins
-
Nominal heater voltage
1.25 V
Nominal heater current
200 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

1 physical section, each with unique specifications.

Section 1

Rectifier

X-ray radiationInterelectrode capacitances
Rectifier peak inverse voltage
23000 V
Rectifier nominal output current
1 mA
Rectifier peak forward current
10 mA

Television EHT half-wave/flyback rectifier.

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

1959 Telefunken

Published operating points and test conditions from this source.

SECTION 1

Rectifier

Other

  • Peak Inverse Voltage

    23000 V

    FlybackPulse

  • DC Output Current

    1 mA

  • Peak Current

    10 mA

    FlybackPulse