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Power - TV Horizontal Output (sweep) ·Pentode

PL508

Power pentode designed for color-television line-output and horizontal-deflection amplification.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
B9D
Socket code
B9D
Base pins
9
Nominal heater
17 V / 300 mA

Description

Power pentode for color-television line-output/line-deflection amplification. The supplied French datasheet was translated to English for descriptive output.

Socket description

Magnoval 9-contact

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
B9D
Socket code
B9D
Base pins
9
Nominal heater voltage
17 V
Nominal heater current
300 mA
Parallel heater voltage
-
Parallel heater current
-
Series capable
No

B9D - 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
Plate resistance
10000 Ω
Transconductance
0.009 S
Max plate voltage
400 V
Max screen voltage
275 V
Max plate dissipation
12 W
Max screen dissipation
3 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

    190 V

  • Screen-grid voltage

    190 V

  • Plate current

    60 mA

  • Screen-grid current

    5 mA

  • Grid voltage

    -17 V

  • Transconductance

    9000 uS

  • Plate resistance

    10 kOhm

  • Peak plate current

    320 mA

    Pulse

Other

  • Peak positive plate voltage

    2.5 kV

    VerticalDeflection

Capacitance

  • Plate-grid capacitance

    1.4 pF

  • Grid-heater capacitance

    0.2 pF

Data set 02

1968 Mazda Belvu

Published operating points and test conditions from this source.

SECTION 1

Pentode

Characteristic

  • TEnSiONn- FÎlAMENt L………uresersereerensentereseenençneEünnnn—++=*2+n+be Vvf

    18.5 V

  • Courant fÎlAment …..….srercessesercesmsecasesssesssuuransareusees If

    300 mA

  • Tension d'anode

    190 V

  • Tension de grille n° 2

    190 V

  • Tension de grille n° 1.....….……..….seeesemeenemmsemsemmsavees

    -17 V

  • Courant d'ANO@.. ……s mmreercoreresr sovoercorsm0ca se aasa sn ce0s

    0 s

  • Courant de grille n° Z ….……vessererseenseneseenen ars en sesees s00e

    3 mA

  • Tension d'anode en fin de balayage ……c Va

    70 V

  • Tension de grille n° 2 …… Ve,

    190 V

  • Tension de grille n° 1 …… Vgs

    -5 V

  • Courant d'anode d@ CrÊtE …… ... ceerer vsacaseancennes conasosene en Iker

    230 mA

Other

  • Capacité grille n° 1/ filament … Cg:/f

    200 mpF

  • Tension d'anode à courant nul ……s seesensesseeseesesass Va bl

    700 V

  • crcn en senm su se seemceca se Va

    400 V

  • Tension d'anode de crête Vacr

    2.5 kV

  • Dissipation d'anode …… Pa

    12 W

  • Tension de grille n° 2 à courant nul

    700 V

  • Tension de grille n° 2 ……s Vez

    275 V

  • Dissipation de grille n° 2 ………ee Pez

    2.5 W

  • Courant de cathode …… Ik

    100 mA

  • Tension entre le filament et la Cathode ……s V£k

    220 V

Capacitance

  • Capacité anode/ grille n° Î .……miversimnemesses Ca/ g;

    1.8 pF

Data set 03

1972 Philips Receiving Tubes

Published operating points and test conditions from this source.

SECTION 1

Pentode

Characteristics

  • Heater voltage

    17 V

    Published nominal value

  • Heater current

    300 mA

    Published nominal value

  • Transconductance

    90000 µS

    Published operating characteristic

Other

  • Maximum plate dissipation

    12 W

    Published maximum rating

  • Maximum peak anode voltage

    2.5 kV

    Pulse duration <=5% cycle, max 1 ms

Data set 04

1973 Mazda Valves Binder 2

Published operating points and test conditions from this source.

SECTION 1

Pentode

Characteristics

  • Heater voltage

    17 V

    Published nominal value

  • Heater current

    300 mA

    Published nominal value

Other

  • Maximum plate dissipation

    12 W

    Published maximum rating

  • Maximum peak anode voltage

    2.5 kV

    Pulse duration <=5% cycle, max 1 ms

Data set 05

1999 Philips E-Z

Published operating points and test conditions from this source.

SECTION 1

Pentode

Characteristics

  • Heater voltage

    17 V

  • Heater current

    300 mA

  • Heater current If 300 mA

    300 a

    Heater current If 300 mA

  • Heater voltage Vi 17 vV

    17 a

    Heater voltage Vi 17 vV

  • Anode voltage v, 50 Vq 190 V

    190 A

    Anode voltage v, 50 Vq 190 V

  • Grid No.2 voltage Vg2 190 Vg2 190 V

    2 v

    Grid No.2 voltage Vg2 190 Vg2 190 V

  • Grid No.l voltage Vgl -1 Vgl -17 Vv

    -17 v

    Grid No.l voltage Vgl -1 Vgl -17 Vv

  • Anode current Iap 320 Iy 60 mA

    60 A

    Anode current Iap 320 Iy 60 mA

  • Grid No.2 current Igz approx. 60 Igz 5 mA

    2 a

    Grid No.2 current Igz approx. 60 Igz 5 mA

  • tube deterioration during life and decrease of the mains voltage to 10 % below the

    10 a

    tube deterioration during life and decrease of the mains voltage to 10 % below the

  • Anode voltage vV, 70V

    70 A

    Anode voltage vV, 70V

  • Grid No.2 voltage Vg2 200 V

    2 v

    Grid No.2 voltage Vg2 200 V

  • Grid No.1 voltage Vgl -5V

    1 v

    Grid No.1 voltage Vgl -5V

  • > 600 Hz. The equivalent interferance voltage at grid No.l will than be < 25 mV

    600 Hz

    > 600 Hz. The equivalent interferance voltage at grid No.l will than be < 25 mV.

Other

  • Cathode current, average I, max. 100 mA

    100 a

    Cathode current, average I, max. 100 mA

  • Anode dissipation Wy max. 12 W

    12 A

    Anode dissipation Wy max. 12 W

  • Anode to grid No. 1 Cagl max. 1.6 pF

    1.6 A

    Anode to grid No. 1 Cagl max. 1.6 pF

  • Grid No. 1 to heater gif max. 0.2 pF

    1 a

    Grid No. 1 to heater gif max. 0.2 pF

  • Anode peak current Iap 230 mA

    230 A

    Anode peak current Iap 230 mA

  • Anode voltage Vao max. 700 V

    700 A

    Anode voltage Vao max. 700 V

  • Anode peak voltage max. 2.5 kV 1)

    1 A

    Anode peak voltage max. 2.5 kV 1)

  • Grid No.2 voltage max. 700 Vv

    2 v

    Grid No.2 voltage max. 700 Vv

  • Anode dissipation max. 12 W

    12 A

    Anode dissipation max. 12 W

  • Grid No.2 dissipation max. 3 W

    2 s

    Grid No.2 dissipation max. 3 W

  • Cathode current max. 100 mA

    100 a

    Cathode current max. 100 mA

  • Grid No.l resistor, fixed bias max. 1 MQ

    1 s

    Grid No.l resistor, fixed bias max. 1 MQ

  • Cathode to heater voltage max. 220V

    220 a

    Cathode to heater voltage max. 220V