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Voltage Pentode - Remote Cutoff (single) ·Pentode

6K4P

Russian high-frequency pentode with an extended control characteristic, designed for RF voltage amplification in radio-electronic equipment. Its gradual cutoff behavior supports variable-gain operation in controlled high-frequency amplifier stages.

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

Description

The 6K4IT high-frequency pentode with an extended pucTHKoH 6K 411 mpenHasHadeH [UIs YCHIIEHHMS Hanpsxe- characteristic has been designed for high-frequency HUS BBICOKOH YaCTOTHl B paAHOTEXHHYECKHMX YCTPOUCTRAX.

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
9
Nominal heater voltage
6.3 V
Nominal heater current
300 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

Pentode

X-ray radiationInterelectrode capacitances
Plate resistance
850000 Ω
Transconductance
0.0044 S
Max plate voltage
300 V
Max screen voltage
125 V
Max cathode current
20 mA

Values promoted from the complete filename-matched Russian entry only.

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

195X Russian

Published operating points and test conditions from this source.

SECTION 1

Pentode

Characteristics

  • Published electrical parameter

    19 mA

    19max

  • Source symbol Sl

    9 W

    Sl 9w . . .

  • Source symbol grid

    3 A

    l NS ':'., 2 Rz 7 1 — grid 1; 2 — cathode, grid 3 and screen; 3 — hegter;

  • Source symbol QHaNa3OHe

    4 A

    BubpanmoHHble HAaTPY3KM B QHaNa3OHe 4acToT OT 1 Vibration: at frequencies from 1 to 60 Hz with

  • Source symbol OT

    1 V

    BubpanmoHHble HAaTPY3KM B QHaNa3OHe 4acToT OT 1 Vibration: at frequencies from 1 to 60 Hz with

  • Source symbol to

    60 Hz

    BubpanmoHHble HAaTPY3KM B QHaNa3OHe 4acToT OT 1 Vibration: at frequencies from 1 to 60 Hz with

  • Source symbol BO

    3 A

    HOCTb BO3ayxa Ao 98% mpu Temnepatype po 25 °C. Relative humidity: up to 98% at up to 25 °C.

  • Source symbol grid

    1 V

    Inverse grid | current, at grid 1 voltage —2 V, pA =<1

  • Published electrical parameter

    2 V

    Inverse grid | current, at grid 1 voltage —2 V, pA =<1

  • Transconductance

    1 V

    Transconductance, cutoffat grid 1 voltage —20 V,uA/V 40

  • Transconductance

    20 V

    Transconductance, cutoffat grid 1 voltage —20 V,uA/V 40

  • Source symbol nniinnnns

    300 A

    AHOHA ......ovvveninniinnnns 300 anode ............ .ol 300

  • Published electrical parameter

    90 W

    LiHajle NonorpesaTelld . . .. ... 90 with heater at negative poten-

  • Source symbol BTOpOH

    600 mA

    paccenBaemas ceTkod BTOpOH 0,6 at anf)de ..................... 3

  • Source symbol U

    25 V

    i 17 U 25V Ia,g2,mA .

  • Published electrical parameter

    -5 V

    17 ; 74 > Ugr=-05V

  • Published electrical parameter

    11100 V

    0] 11100V] R — i

  • Published electrical parameter

    8 A

    8 A7 + 2: 1 -1V

  • Published electrical parameter

    -1 V

    8 A7 + 2: 1 -1V

  • Published electrical parameter

    75 V

    § £ 75V T 10 —

  • Source symbol f

    750 V

    “f 750V ] -1,5V

  • Published electrical parameter

    -1.5 V

    “f 750V ] -1,5V

  • Source symbol ITRS

    25 V

    0 00 200 300 gV VcpenHeHubie XapakTepHCTHKH: 6 ITRS 25V L-asv

  • Published electrical parameter

    63 V

    Un=63V, Uy=—1V Un=6,3V, U =100 V ; ~L sV _’%55‘/-—

  • Published electrical parameter

    1 V

    Un=63V, Uy=—1V Un=6,3V, U =100 V ; ~L sV _’%55‘/-—

  • Published electrical parameter

    6.3 V

    Un=63V, Uy=—1V Un=6,3V, U =100 V ; ~L sV _’%55‘/-—

  • Published electrical parameter

    100 V

    Un=63V, Uy=—1V Un=6,3V, U =100 V ; ~L sV _’%55‘/-—

  • Plate

    -5 V

    Averaged anode characteristics 1 — anode: 2 — grid-anode &f,\_ -5 VT_'

  • Source symbol Up

    128 V

    Up128V|7 5 N T e e e

  • Source symbol lZ

    5 V

    'z=lZ5V 2 Upz0v|-05V -1y L5y

  • Source symbol Upz

    0 V

    'z=lZ5V 2 Upz0v|-05V -1y L5y

  • Source symbol R

    100 V

    R 100v[[] A V4ADA

  • Source symbol V

    4 A

    R 100v[[] A V4ADA

  • Published electrical parameter

    25 V

    25V

  • Published electrical parameter

    7 V

    ; — 7svih 0 7 V.y.s.ay.amw

  • Source symbol yS

    74 V

    8 /' yS74V.AND-

  • Source symbol TEPUCTHKH

    3 A

    VYcpenseHHblE aHONHO-CETOYHBIE VcpeaHeHHbIE XapaKTEPUCTHKH 3aBUCH- VcpenHeRHBie AHOAHBIE XapaKTEPHCTHKH (TpHOO-

  • Published electrical parameter

    250 V

    Un=6,3V, Up=250V nepBOH Un=63V

Data set 02

1981 Russian Tubes Katsnelson and Larionov

Published operating points and test conditions from this source.

SECTION 1

Pentode

Characteristic

  • Plate current

    10.3 mA

    Translated from Russian source; filename-matched entry only

  • Screen current maximum

    5.5 mA

    Translated from Russian source; filename-matched entry only

  • Transconductance

    4.4 mA/V

    Translated from Russian source; filename-matched entry only

  • Input capacitance

    6 pF

    Translated from Russian source; filename-matched entry only

  • Output capacitance

    6.8 pF

    Translated from Russian source; filename-matched entry only

  • Transfer capacitance maximum

    0.0045 pF

    Translated from Russian source; filename-matched entry only

  • Service life

    25000 h

    Translated from Russian source; filename-matched entry only