6134

Sharp-cutoff pentode designed for wide-band amplifier service with rugged heater-cathode construction. Its fixed-gain characteristic and strengthened internal design suit professional broadband signal equipment.

Directly heatedCold cathodeCommon cathodeDissimilar

Sections: 1
Base: 8N
Socket code: IO
Base pins: 8
Nominal heater: 6.3 V / 450 mA

Description

Sharp-cutoff pentode intended for wide-band amplifier service with rugged heater-cathode construction.

Socket description

International Octal

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base: 8N
Socket code: IO
Base pins: 8
Nominal heater voltage: 6.3 V
Nominal heater current: 450 mA
Parallel heater voltage: -
Parallel heater current: -
Series capable: No

8N - Terminal pinout

Electrical assignments shared by every tube using this base designation.

Terminal	Section	Connection	Evidence
PIN1SH	A	SH — Internal Shield EIA transcription; independent manufacturer confirmation pending	Unverified EIA Base Connections, printed page 129, 8N
PIN2H	—	H — Heater EIA transcription; independent manufacturer confirmation pending	Unverified EIA Base Connections, printed page 129, 8N
PIN3G3	A	G3 — Suppressor Grid EIA transcription; independent manufacturer confirmation pending	Unverified EIA Base Connections, printed page 129, 8N
PIN4G1	A	G1 — Control Grid EIA transcription; independent manufacturer confirmation pending	Unverified EIA Base Connections, printed page 129, 8N
PIN5K	A	K — Cathode EIA transcription; independent manufacturer confirmation pending	Unverified EIA Base Connections, printed page 129, 8N
PIN6G2	A	G2 — Screen Grid EIA transcription; independent manufacturer confirmation pending	Unverified EIA Base Connections, printed page 129, 8N
PIN7H	—	H — Heater EIA transcription; independent manufacturer confirmation pending	Unverified EIA Base Connections, printed page 129, 8N
PIN8P	A	P — Plate (Anode) EIA transcription; independent manufacturer confirmation pending	Unverified EIA Base Connections, printed page 129, 8N

Section ratings

1 physical section, each with unique specifications.

Section 1

Pentode

X-ray radiationInterelectrode capacitances

Plate resistance: 1000000 Ω
Transconductance: 0.009 S
Max plate voltage: 300 V
Max screen voltage: 300 V
Max plate dissipation: 3 W
Max screen dissipation: 0.38 W

Sharp-cutoff RF pentode.

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

Capacitance

Input capacitance
11 pF
Output capacitance
5 pF
Grid-to-plate capacitance
0.015 pF

Other

Plate voltage
300 V
ClassA
Screen-grid voltage
150 V
ClassA
Cathode-bias resistor
160 ohm
ClassA
Plate current
10 mA
ClassA
Screen-grid current
2.5 mA
ClassA

Characteristic

Plate resistance
1000000 ohm
Transconductance
9000 uS

Data set 02

1968 General Electric Co

Published operating points and test conditions from this source.

SECTION 1

Pentode

Other

HeaterOrFilamentVoltageNominal
6.3 V
HeaterOrFilamentCurrentNominal
450 mA
PlateVoltage300Volts
300 V
Published datasheet table
ScreenSupplyVoltage300Volts
300 V
Published datasheet table
PlateDissipation30Watts
3 W
Published datasheet table
ScreenDissipation038Watt
0.38 W
Published datasheet table
GridNo1CircultResistanceWithCathodeBias
1
Published datasheet table
FixedScreenVoltage025Megohm
0.25 Megohm
Published datasheet table

Characteristic

PlateVoltage300Volts
300 V
Published datasheet table
SuppressorVoltage0Volt
0 V
Published datasheet table
ScreenVoltage150Volts
150 V
Published datasheet table
CathodeBiasResistor160Ohms
160 Ohm
Published datasheet table
PlateResistanceApproximate10Megohm
1 Megohm
Published datasheet table
Transconductance9000Micromhos
9000 uS
Published datasheet table
PlateCurrent10Milliamperes
10 mA
Published datasheet table
ScreenCurrent25Milliamperes
2.5 mA
Published datasheet table
GridNo1VoltageApproximate
1
Published datasheet table
TOperationWithFixedBias1sNotRecommended
1
Published datasheet table