6BX4

Indirectly heated two-plate full-wave rectifier for receiving-equipment power supplies. Rated for approximately 1.35 kV peak inverse voltage, 90 mA DC output, and 270 mA peak current.

Directly heatedCold cathodeCommon cathodeDissimilar

Sections: 2
Base: 5BS
Socket code: B7G
Base pins: 5
Nominal heater: 6.3 V / 600 mA

Description

Indirectly heated two-plate rectifier intended for power-supply rectification.

Socket description

Miniature 7-contact

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base: 5BS
Socket code: B7G
Base pins: 5
Nominal heater voltage: 6.3 V
Nominal heater current: 600 mA
Parallel heater voltage: -
Parallel heater current: -
Series capable: No

5BS - Terminal pinout

Electrical assignments shared by every tube using this base designation.

Terminal	Section	Connection	Evidence
PIN1P2	A	P — Plate (Anode) Source designation P2; independent manufacturer confirmation pending	Unverified EIA Base Connections, printed page 127, 5BS
PIN3H	—	H — Heater Source designation H; independent manufacturer confirmation pending	Unverified EIA Base Connections, printed page 127, 5BS
PIN4H	—	H — Heater Source designation H; independent manufacturer confirmation pending	Unverified EIA Base Connections, printed page 127, 5BS
PIN6P1	A	P — Plate (Anode) Source designation P1; independent manufacturer confirmation pending	Unverified EIA Base Connections, printed page 127, 5BS
PIN7K	A	K — Cathode Source designation K; independent manufacturer confirmation pending	Unverified EIA Base Connections, printed page 127, 5BS

Section ratings

2 physical sections, each with unique specifications.

Section 1

Rectifier

X-ray radiationInterelectrode capacitances

Rectifier peak inverse voltage: 1350 V
Rectifier nominal output current: 90 mA
Rectifier peak forward current: 270 mA

Published maximum ratings, operating characteristics, rectifier data, and capacitances reviewed.

Section 2

Rectifier

X-ray radiationInterelectrode capacitances

Rectifier peak inverse voltage: 1350 V
Rectifier nominal output current: 90 mA
Rectifier peak forward current: 270 mA

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

Rectifier

Characteristic

Heater voltage
6.3 V
Published heater rating
Heater current
600 mA
Published heater rating

Other

DC output current
90 mA
FullWave
Peak inverse voltage
1350 V
FullWave
RMS supply voltage per plate
350 V
FullWave
Peak current per plate
270 mA
FullWave

Data set 02

1968 Mazda Belvu

Published operating points and test conditions from this source.

SECTION 1

Rectifier

Other

Tension filAment ….….…merseseseersessenersencrovemsensessseues VI
6.3 V
Heater current … .…If
600 mA
Peak inverse voltage d'anode — …..…….…ceserecreess VaiCr
1500 V
Courant de crête d'anod@ ……s … Iacr
270 mA
Coutant redressé… …. … Ired
90 mA
Tension de crête entre fllament et cathode … Vfker
500 V
Inductance à l'entrée du filtre …… … LL
8 H
Rectified output current = …… ovevecesecrsecesus ITeA 90
90 mA
à demi-charge (45 mA) … eovescascsarasesesseesenn VIed 400
385 V
à pleine charge (90 mA) Vred " 360
375 V

SECTION 2

Rectifier

Other

Tension filAment ….….…merseseseersessenersencrovemsensessseues VI
6.3 V
Heater current … .…If
600 mA
Peak inverse voltage d'anode — …..…….…ceserecreess VaiCr
1500 V