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Power - Pentode Single (NOT beam) (under 10W) ·Pentode

PL802

High-slope power pentode designed specifically for luminance and video-output amplification in color television receivers.

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

Description

High-slope luminance/video-output pentode for color television receivers.

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

B9A - 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

Pentode

X-ray radiationInterelectrode capacitances
Transconductance
0.04 S
Amplification factor
70
Max plate voltage
300 V
Max screen voltage
300 V
Max plate dissipation
6 W
Max screen dissipation
2.5 W
Max cathode current
100 mA

Published ratings and characteristics promoted where clearly stated; identical repeated sections compressed when 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

1967 Mullard Receiving and Amplifying Valves

Published operating points and test conditions from this source.

SECTION 1

Pentode

Characteristic

  • Plate voltage

    170 V

  • Screen-grid voltage

    170 V

  • Grid voltage

    -1.3 V

  • Plate current

    30 mA

  • Screen-grid current

    6.5 mA

  • Transconductance

    40000 uS

Capacitance

  • Input capacitance

    20 pF

  • Output capacitance

    4 pF

  • Plate-grid capacitance

    0.075 pF

Other

  • Plate supply voltage

    400 V

    VideoOutput

  • Plate voltage at zero cathode current

    550 V

    VideoOutput

  • Screen-grid voltage at zero cathode current

    550 V

    VideoOutput

  • Output voltage peak-to-peak

    140 V

    VideoOutput

  • Maximum output current

    7 mA

    VideoOutput

Data set 02

1972 Philips Receiving Tubes

Published operating points and test conditions from this source.

SECTION 1

Pentode

Characteristics

  • Heater voltage

    16 V

    Published nominal value

  • Heater current

    300 mA

    Published nominal value

  • Transconductance

    40000 µS

    Published operating characteristic

Other

  • Maximum plate dissipation

    6 W

    Published maximum rating

  • Application

    Luminance/video output

    Printed source application

Data set 03

1973 Mazda Valves Binder 2

Published operating points and test conditions from this source.

SECTION 1

Pentode

Characteristics

  • Heater voltage

    16 V

    Published nominal value

  • Heater current

    300 mA

    Published nominal value

  • Transconductance

    40000 µS

    Published operating characteristic

Other

  • Maximum plate dissipation

    6 W

    Published maximum rating

Data set 04

1999 Philips E-Z

Published operating points and test conditions from this source.

SECTION 1

Pentode

Other

  • Anode current I,

    30 mA

    Anode current I, 30 mA

  • Transconductance S

    40 mA

    Transconductance S 40 mA/V

  • Anode dissipation Wa max

    6 W

    Anode dissipation Wa max. 6 W

  • Heater current I

    300 mA

    Heater current I 300 mA

  • Heater voltage Vs

    16 V

    Heater voltage Vs 16 V

  • Anode to all except grid No.l Ca(gl)

    4 pF

    Anode to all except grid No.l Ca(gl) 4 pF

  • Grid No.l to all except anode Cgl(a)

    20 pF

    Grid No.l to all except anode Cgl(a) 20 pF

  • Anode to grid No.1 Cagl

    0.075 pF

    Anode to grid No.1 Cagl 0.075 pF

  • Anode voltage v,

    170 V

    Anode voltage v, 170 V

  • Grid No.2 voltage Vg2

    170 V

    Grid No.2 voltage Vg2 170V

  • Grid No.2 current Ig2

    6.5 mA

    Grid No.2 current Ig2 6.5 mA

  • Anode supply voltage Vp, max

    400 V

    Anode supply voltage Vp, max. 400 V

  • Anode voltage, Vao max,

    550 V

    Anode voltage, Vao max, 550 V

  • Grid No.2 voltage Vgzo max

    550 V

    Grid No.2 voltage Vgzo max. 550 V

  • Anode dissipation Wy max

    6 W

    Anode dissipation Wy max. 6 W

  • Grid No.2 dissipation Wgz max

    2.5 W

    Grid No.2 dissipation Wgz max. 2.5 W

  • Cathode current I max

    100 mA

    Cathode current I max. 100 mA

  • Cathode to heater voltage Vg max

    200 V

    Cathode to heater voltage Vg max. 200 V