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Voltage Pentode - High Frequency (single) ·Pentode

6516

High-frequency Class-A pentode for higher-voltage professional amplifier service, with approximately 7.5 W plate dissipation and plate ratings around 550 V.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
-
Socket code
B7G
Base pins
-
Nominal heater
6.3 V / 200 mA

Description

High-frequency Class-A amplifier pentode with a 6.3 V, 0.2 A heater and published high-frequency amplifier ratings.

Socket description

Miniature 7-contact

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
-
Socket code
B7G
Base pins
-
Nominal heater voltage
6.3 V
Nominal heater current
200 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
Max plate voltage
550 V
Max screen voltage
275 V
Max plate dissipation
7.5 W
Max screen dissipation
0.8 W
Max cathode current
23 mA

Primary electrical section; identical repeated sections compressed where 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

1954 STC Brimar

Published operating points and test conditions from this source.

SECTION 1

Pentode

Characteristic

  • Heater voltage (AC or IC) - +6.3 volts

    6.3 V

    Heater voltage (AC or IC) - +6.3 volts

  • Heater CUrrentesessscsesscsessorsssesssscscnccssssssscccnsnsene 0,2 amps

    200 mA

    Heater CUrrentesessscsesscsessorsssesssscscnccssssssscccnsnsene 0,2 amps

  • Plate VOltage P e 0083 00000000000 ssltassesosscesioneseransed 250 volts

    250 V

    Plate VOltage P e 0083 00000000000 ssltassesosscesioneseransed 250 volts

  • Grid No.2 V'Oltageoooooo-oc-cooaono-.oo»o.-.o-oaooo-loncoociooo 250 volts

    250 V

    Grid No.2 V'Oltageoooooo-oc-cooaono-.oo»o.-.o-oaooo-loncoociooo 250 volts

  • Grid No.1 VOltagCesaseneervossssescssssssssossnsssvsvsscsvssos "13'5‘)-011:5

    1 V

    Grid No.1 VOltagCesaseneervossssescssssssssossnsssvsvsscsvssos "13'5‘)-011:5

  • FPlate currentecesscscesssssacatsvscvesccctosrsoncssnsssssasssssss 16 mA

    16 mA

    FPlate currentecesscscesssssacatsvscvesccctosrsoncssnsssssasssssss 16 mA

Other

  • Maximum heater cathodg voltage ~150 volts

    150 V

    Maximum heater cathodg voltage ~150 volts

  • Maximum plate voltage (Ipx: 0) 550 volts

    550 V

    Maximum plate voltage (Ipx: 0) 550 volts

  • Maximm plate dissipationn L 75watts

    75 W

    Maximm plate dissipationn L 75watts

  • Maximunm grid No.2 voltage - 275 volts

    275 V

    Maximunm grid No.2 voltage - 275 volts

  • Maximum grid No.2 voltage (Ig, = O) 550 wvolts

    2 V

    Maximum grid No.2 voltage (Ig, = O) 550 wvolts

  • Maximum grid No.2 dissipation® 0.80watts

    0.8 W

    Maximum grid No.2 dissipation® 0.80watts

  • Maximm grid No,1 = grid No.2 voltage 300 volts IC

    300 V

    Maximm grid No,1 = grid No.2 voltage 300 volts IC

  • Maxdmum grid Noe1 - cathode voltage 100 volts DC

    100 V

    Maxdmum grid Noe1 - cathode voltage 100 volts DC

  • Maxdimen cathode current 23 mA

    23 mA

    Maxdimen cathode current 23 mA