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Voltage Pentode - Sharp Cutoff (single) ·Pentode

6186

Seven-pin miniature sharp-cutoff pentode, co-designated with 6AG5WA. Designed for dependable high-frequency amplification, it combines compact construction with special-service characteristics for professional electronic equipment.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
-
Socket code
B7G
Base pins
7
Nominal heater
6.3 V / 300 mA

Description

THE 6186/6AG5WA IS A SHARP CUTOFF PENTODE IN THE 7 PIN MINIATURE CON-

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
7
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
500000 Ω
Transconductance
0.004 S
Max plate voltage
330 V
Max screen voltage
250 V
Max plate dissipation
2.5 W
Max screen dissipation
0.55 W
Max cathode current
9 mA

Published ratings and characteristics promoted where clearly stated; 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

1938 Raytheon

Published operating points and test conditions from this source.

SECTION 1

Pentode

Characteristics

  • Heater or filament voltage

    6.3 V

    Published nominal value

  • Heater or filament current

    300 mA

    Published nominal or representative value

  • Transconductance

    5000 µS

    Published characteristic

Other

  • Maximum plate dissipation

    2.5 W

    Published maximum rating

Data set 02

1960 RCA Industrial and Communications Types

Published operating points and test conditions from this source.

SECTION 1

Pentode

Characteristics

  • Heater Voltage

    6.3 V

  • Heater Current

    300 mA

Data set 03

1961 Tung Sol

Published operating points and test conditions from this source.

SECTION 1

Pentode

Other

  • Plate Voltage

    250 V

  • Screen Voltage

    150 V

  • Service

    RF or IF amplifier

Data set 04

1966 Tung Sol Electronic Tubes 4 of 4

Published operating points and test conditions from this source.

SECTION 1

Pentode

Other

  • Heater voltage

    6.3 V

    Nominal

  • Heater current

    300 mA

    Nominal

  • Maximum plate voltage

    330 V

    Promoted published value

  • Maximum screen voltage

    250 V

    Promoted published value

  • Maximum plate dissipation

    2.5 W

    Promoted published value

  • Maximum screen dissipation

    0.55 W

    Promoted published value

  • PLATE VOLTAGE Eb

    330 V

    RATINGS

  • GRID #1 VOLTAGE Ec

    0 V

    RATINGS

  • GRID #2 VOLTAGE Ec

    250 V

    RATINGS

  • B U86 TEMPERATURE

    165 C

    RATINGS

  • HEATER CURRENT 0.65 If: 2'

    375 mA

    CHARACTERISTICS AND QUALITY CONTROL TESTS - contld.

  • HEATER CURRENT --- ]. 3 If;

    325 mA

    CHARACTERISTICS AND QUALITY CONTROL TESTS - cont'd.

  • HEATER CURRENT: --- 2 5 If

    325 mA

    CHARACTERISTICS AND QUALITY CONTROL TESTS - cont'd.

Characteristic

  • Transconductance

    5000 uS

    Promoted published value

  • PLATE CURRENT (i): 0.65 Ib: 5.2 $.$ mAdc

    5.2 mA

    CHARACTERISTICS AND QUALITY CONTROL TESTS - contld.

  • TRANSCONDUCTANCE (1): 1.O --- --- 'Sm

    10 percent

    CHARACTERISTICS AND QUALITY CONTROL TESTS - cont'd.

  • ADJACENT PINS. PRESSURE = 55i 5M/M MERCU RTI TENPERATU RE =

    500 C

    CHARACTERISTICS AND QUALITY CONTROL TESTS - cont'd.