Skip to main content
Tube Tinker — Electron Tube Database
Alternatives & variationsDownload PDF datasheet

Rectifier - Damper Diode ·Rectifier

PY80

Television booster diode for horizontal line-output circuits, providing approximately 4 kV inverse-voltage capability and 180 mA average current for sweep-energy recovery.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
Noval
Socket code
B9A
Base pins
9
Nominal heater
19 V / 300 mA

Description

The Philips PY80 is a booster diode for television line-output circuits.

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
Noval
Socket code
B9A
Base pins
9
Nominal heater voltage
19 V
Nominal heater current
300 mA
Parallel heater voltage
-
Parallel heater current
-
Series capable
No

Noval - 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
4000 V
Rectifier nominal output current
180 mA
Rectifier peak forward current
400 mA
Rectifier max heater-cathode voltage
650 V

Mains/switch-diode ratings.

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

1951 Philips Receiving Tubes for Television

Published operating points and test conditions from this source.

SECTION 1

Rectifier

Other

  • Peak Inverse Voltage

    4000 V

    PulseDuration<=18us

  • Peak Anode Current

    400 mA

  • Average Anode Current

    180 mA

  • Maximum Heater-Cathode Voltage

    650 V

    CathodePositive

  • Maximum Heater Voltage During Warmup

    28.5 V

Data set 02

1953 RFT Rundfunk Technik

Published operating points and test conditions from this source.

SECTION 1

Rectifier

Other

  • Peak plate voltage in blocking phase

    4 kV

  • DC plate current maximum

    180 mA

  • Peak plate current maximum

    400 mA

  • Duty ratio minimum

    1:5.5

  • Pulse duration maximum

    18 µs

  • Heater-cathode voltage maximum

    650 V

Capacitance

  • Plate-cathode capacitance

    5.5 pF

Data set 03

1957 Philips Receiving and Amplifying Tubes

Published operating points and test conditions from this source.

SECTION 1

Rectifier

Other

  • Peak Inverse Voltage

    4000 V

    Pulse

  • Average Anode Current

    180 mA

  • Peak Anode Current

    400 mA

Data set 04

1999 Philips E-Z

Published operating points and test conditions from this source.

SECTION 1

Rectifier

Other

  • Capacités Ca

    5.5 pF

    Capacités Ca = 5,5 pF

  • max

    450 V

    + max.450 V D,C.voltage

  • Capacités Cag

    5.5 pF

    Capacités Cag = 5,5 pF

  • Max. 100 Veff mains voltaege+mux

    500 V

    2)Max. 100 Veff mains voltaege+mux.500 V D.C.voltage

  • peak voltages above

    3 kV

    peak voltages above 3 kV, it must be isolated from

  • When using the FY 80 at peak voltages above

    3 kV

    When using the FY 80 at peak voltages above 3 kV,the

  • peak voltages abave

    3 kV

    peak voltages abave 3 kV, it must be isolated from

  • When using the PY 80 at peak voltages above

    3 kV

    When using the PY 80 at peak voltages above 3 kV,the