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Power - Pentode Single (NOT beam) (under 10W) ·Pentode

6AN5

High-efficiency wideband power pentode for RF, AF, and high-frequency output-amplifier applications.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
7BD
Socket code
B7G
Base pins
7
Nominal heater
6.3 V / 450 mA

Description

High-efficiency miniature power pentode for high-frequency and wide-band output service.

Socket description

Miniature 7-contact

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
7BD
Socket code
B7G
Base pins
7
Nominal heater voltage
6.3 V
Nominal heater current
450 mA
Parallel heater voltage
-
Parallel heater current
-
Series capable
No

7BD - Terminal pinout

Electrical assignments shared by every tube using this base designation.

TerminalSectionConnectionEvidence
PIN1G1AG1 — Control Grid

EIA transcription; manufacturer confirmation pending

Unverified

EIA Base Connections, printed page 128, 7BD

PIN2G3AG3 — Suppressor GridGroup 7BD2

EIA transcription; manufacturer confirmation pending

Unverified

EIA Base Connections, printed page 128, 7BD

PIN2ISAIS — Internal ScreenGroup 7BD2

EIA transcription; manufacturer confirmation pending

Unverified

EIA Base Connections, printed page 128, 7BD

PIN2KAK — CathodeGroup 7BD2

EIA transcription; manufacturer confirmation pending

Unverified

EIA Base Connections, printed page 128, 7BD

PIN3H—H — Heater

EIA transcription; manufacturer confirmation pending

Unverified

EIA Base Connections, printed page 128, 7BD

PIN4H—H — Heater

EIA transcription; manufacturer confirmation pending

Unverified

EIA Base Connections, printed page 128, 7BD

PIN5PAP — Plate (Anode)

EIA chart transcription; manufacturer confirmation pending

Unverified

EIA Base Connections, printed page 128, 7BD

PIN6G2AG2 — Screen Grid

EIA chart transcription; manufacturer confirmation pending

Unverified

EIA Base Connections, printed page 128, 7BD

PIN7G3AG3 — Suppressor GridGroup 7BD7

EIA chart transcription; manufacturer confirmation pending

Unverified

EIA Base Connections, printed page 128, 7BD

PIN7ISAIS — Internal ScreenGroup 7BD7

EIA chart transcription; manufacturer confirmation pending

Unverified

EIA Base Connections, printed page 128, 7BD

PIN7KAK — CathodeGroup 7BD7

EIA chart transcription; manufacturer confirmation pending

Unverified

EIA Base Connections, printed page 128, 7BD

Section ratings

1 physical section, each with unique specifications.

Section 1

Pentode

X-ray radiationInterelectrode capacitances
Plate resistance
12500 Ω
Transconductance
0.008 S
Max plate voltage
120 V
Max screen voltage
120 V
Max plate dissipation
1.7 W
Max screen dissipation
0.56 W
Max cathode current
20 mA

Promoted from published ratings/characteristics; 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

195X General Electric Essential Characteristics

Published operating points and test conditions from this source.

SECTION 1

Pentode

Other

  • Maximum plate voltage

    120 V

    Published handbook rating

  • Maximum screen voltage

    120 V

    Published handbook rating

  • Plate voltage

    120 V

    ClassA

  • Screen voltage

    120 V

    ClassA

  • Plate current

    35 mA

    ClassA

  • Screen current

    12 mA

    ClassA

  • Load resistance

    2500 ohm

    ClassA

  • Power output

    1.3 W

    ClassA

Characteristic

  • Plate resistance

    12500 ohm

    Published handbook characteristic

  • Transconductance

    8000 µS

    Published handbook characteristic

  • Heater voltage

    6.3 V

    Published heater rating

  • Heater current

    450 mA

    Published heater rating

Capacitance

  • Input capacitance

    9 pF

    Published capacitance column

  • Output capacitance

    4.8 pF

    Published capacitance column

  • Grid-to-plate capacitance

    0.075 pF

    Published capacitance column

Data set 02

195X Raytheon Special Purpose Tubes

Published operating points and test conditions from this source.

SECTION 1

Pentode

Other

  • Cathode resistor

    120 Ω

    RFAFPowerAmplifier

  • Plate voltage

    120 V

    RFAFPowerAmplifier

  • Screen voltage

    120 V

    RFAFPowerAmplifier

  • Plate current

    35 mA

    RFAFPowerAmplifier

  • Screen current

    12 mA

    RFAFPowerAmplifier

  • Power output

    1.3 W

    RFAFPowerAmplifier

  • Load resistance

    2500 Ω

    RFAFPowerAmplifier

Characteristic

  • Plate resistance

    12500 Ω

    Section1

  • Transconductance

    8000 µS

    Section1

Data set 03

1961 Tung Sol

Published operating points and test conditions from this source.

SECTION 1

Pentode

Other

  • Power Output

    4.5 W

    ClassA

Data set 04

1966 Tung Sol Electronic Tubes 1 of 4

Published operating points and test conditions from this source.

SECTION 1

Pentode

Other

  • Plate voltage

    120 V

    ClassA

  • Screen voltage

    120 V

    ClassA

  • Cathode resistor

    120 Ω

    ClassA

  • Plate current

    35 mA

    ClassA

  • Screen current

    22 mA

    ClassA

  • Load resistance

    2500 Ω

    ClassA

  • Plate power output

    2.3 W

    ClassA

  • Application

    High-efficiency high-frequency or wide-band power pentode

    Section1

Characteristic

  • Plate resistance

    12500 Ω

    Section1

  • Transconductance

    8000 µS

    Section1