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Other (weirdo tubes) ·Other

PL6574

PL6574 is documented as a special-purpose electronic tube, but the available source summary does not establish a narrower function reliably.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
OCTAL
Socket code
IO
Base pins
8
Nominal heater
6.3 V / 950 mA

Description

A special-purpose electronic tube whose source sheet provides its intended application and published electrical operating data.

Socket description

International Octal

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
OCTAL
Socket code
IO
Base pins
8
Nominal heater voltage
6.3 V
Nominal heater current
950 mA
Parallel heater voltage
-
Parallel heater current
-
Series capable
No

OCTAL - 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

Other

X-ray radiationInterelectrode capacitances
Max plate voltage
650 V
Rectifier peak inverse voltage
1300 V
Rectifier peak forward current
2 A
Rectifier forward voltage drop
10 V
Rectifier warm-up time
5 s

Published ratings and characteristics promoted where unambiguous; additional source values preserved as parameters.

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

1953 RFT Rundfunk Technik

Published operating points and test conditions from this source.

SECTION 1

Other

Other

  • den Typen B

    2 A

    den Typen B-2A und EN 33 ähnlich.

  • Ur

    6.3 V

    Ur 6,3 V _ MOX 6292

  • If m

    950 mA

    If m 0,95 A

  • r z

    15 s

    r z 15 s ; / fi 4

  • Ui

    10 V

    Ui 10 V

  • Uz

    40 V

    Uz 40 V

  • =

    0 V

    = 0 V) E

  • —U max

    1.3 kV

    —U max. 1,3 kV

  • Uas max

    0.65 kV

    Uas max. 0,650 kV

  • Iks maxX

    2 A

    Iks maxX. 2 A

  • max

    300 mA

    max. 300 mA } r

  • —U maxX

    250 V

    —U maxX. 250 V

  • —U max

    10 V

    —U max. 10 V A

  • ng 818 maX

    20 mA

    ng 818 maX. 20 mA

  • (bei Ik =

    200 mA

    (bei Ik = 200 mA)

  • 'Ug

    2 s

    'Ug2 s maxX. 100 V 1; Betriebslage: beliuh!,;

  • LUe

    63 V

    LUe63V;Ug2=0V |_|. 7 av max. 15 8

  • U_f/k max

    100 V

    U_f/k max. 100 V

Data set 02

1963 Philips Electron Tubes Handbook V3

Published operating points and test conditions from this source.

SECTION 1

Other

Characteristic

  • Heizung :indirekt If

    950 mA

    | Heizung :indirekt If = 950 mA

Other

  • Varc

    10 V

    Typical characteristics | Varc 10 V

  • Grid-1 voltage

    0 V

    Typical characteristics | Va/Vg 1 (Vg2 = 0 V) = 275 1)

  • (Vgl

    0 V

    Typical characteristics | (Vgl = 0 V)

  • Peak anode voltage

    650 V

    Limiting values | Vap = max. 650 V

  • Peak inverse anode voltage

    1.3 kV

    Limiting values | Va invp = max. 1.3 kV

  • Grid-2 voltage

    100 V

    Limiting values | -Vg2 = max. 100 V 2)

  • Grid-2 voltage

    10 V

    Limiting values | -Vg2 = max. 10 V3)

  • Grid-1 voltage

    250 V

    Limiting values | -Vg1 = max. 250 V2)

  • Grid-1 voltage

    10 V

    Limiting values | -Vg1 = max. 10 V3)

  • Cathode current

    15 s

    Limiting values | Ik (Tav = max. 15 sec) = max. 300 mA

  • Cathode current

    300 mA

    Limiting values | Ik (Tav = max. 15 sec) = max. 300 mA

  • Peak cathode current

    2 A

    Limiting values | Ikp = max. 2A

  • Surge cathode current

    0.1 s

    Limiting values | Ik surge (T = max. 0.1 sec) = max. 10 A

  • Surge cathode current

    10 A

    Limiting values | Ik surge (T = max. 0.1 sec) = max. 10 A

  • Grid-2 current

    -10 V

    Limiting values | +Ig2 (Va > -10 V) = max. 20 mA4)

  • Grid-2 current

    20 mA

    Limiting values | +Ig2 (Va > -10 V) = max. 20 mA4)

  • Grid-1 current

    -10 V

    Limiting values | +Ig1 (Va > -10 V) = max. 20 mA4)

  • Grid-1 current

    20 mA

    Limiting values | +Ig1 (Va > -10 V) = max. 20 mA4)

  • Grid-1 current

    1 mA

    Limiting values | +Ig1 = max. 1 mA5)

  • Grid-1 resistance

    200 mA

    Limiting values | Rg1 (Ik = 200 mA) = max. 10 MO

  • Grid-1 resistance

    10 Mohm

    Limiting values | Rg1 (Ik = 200 mA) = max. 10 MO

  • Peak heater-cathode voltage

    100 V

    Limiting values | Vkfp (k pos.; f neg.) = max. 100 V

  • Heater-cathode voltage

    25 V

    Limiting values | Vkf (k neg.; f pos.) = max. 25 V

  • Published electrical value

    -10 V

    Limiting values | 5)During the time that Va is more negative than -10 V

  • Pendant le temps Va est plus negative que

    -10 V

    Limiting values | Pendant le temps Va est plus negative que -10 V

  • Wahrend der Zeit wenn Va mehr negatif

    1 s

    Limiting values | Wahrend der Zeit wenn Va mehr negatif 1st als -10 V

  • Wahrend der Zeit wenn Va mehr negatif

    -10 V

    Limiting values | Wahrend der Zeit wenn Va mehr negatif 1st als -10 V

  • Grid-1 resistance

    1 MS

    Limiting values | Rg1=O.1MSL

  • Published electrical value

    0 V

    Limiting values | 0Vg1(V)-15

  • Grid-2 voltage

    0 V

    Limiting values | Vg2=0V

Data set 03

1999 Philips E-Z

Published operating points and test conditions from this source.

SECTION 1

Other

Other

  • Heating : indirect Vg

    6.3 V

    Heating : indirect Vg = 6,3 V

  • Heating :indirect Ve

    6.3 V

    Heating :indirect Ve = 6,3 V

  • Capacitances Cag1

    0.25 pF

    Capacitances Cag1 = 0,25 pF