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6BA3

Half-wave vacuum rectifier designed for television damper service, with high inverse-voltage capability for horizontal sweep circuits.

Directly heatedCold cathodeCommon cathodeDissimilar

Sections: 1
Base: 9HP
Socket code: -
Base pins: 9
Nominal heater: 6.3 V / 1.2 A

Description

Half-wave vacuum rectifier for television damper service. The supplied datasheet was read for heater data, maximum ratings, operating characteristics, and interelectrode capacitances where published.

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base: 9HP
Socket code: -
Base pins: 9
Nominal heater voltage: 6.3 V
Nominal heater current: 1.2 A
Parallel heater voltage: -
Parallel heater current: -
Series capable: No

9HP - Terminal pinout

Electrical assignments shared by every tube using this base designation.

Terminal	Section	Connection	Evidence
PIN1Base Pin	—	IC Original chart label IC; manufacturer verification pending	Unverified EIA Base Connections printed p133, 9HP
PIN2Base Pin	—	P — Plate (Anode) Original chart label P; manufacturer verification pending	Unverified EIA Base Connections printed p133, 9HP
PIN3Base Pin	—	IC Original chart label IC; manufacturer verification pending	Unverified EIA Base Connections printed p133, 9HP
PIN4Base Pin	—	H — Heater Original chart label H; manufacturer verification pending	Unverified EIA Base Connections printed p133, 9HP
PIN5Base Pin	—	H — Heater Original chart label H; manufacturer verification pending	Unverified EIA Base Connections printed p133, 9HP
PIN6Base Pin	—	IC Original chart label IC; manufacturer verification pending	Unverified EIA Base Connections printed p133, 9HP
PIN7Base Pin	—	P — Plate (Anode) Original chart label P; manufacturer verification pending	Unverified EIA Base Connections printed p133, 9HP
PIN8Base Pin	—	IC Original chart label IC; manufacturer verification pending	Unverified EIA Base Connections printed p133, 9HP
PIN9Base Pin	—	K — Cathode Original chart label K; manufacturer verification pending	Unverified EIA Base Connections printed p133, 9HP

Section ratings

1 physical section, each with unique specifications.

Section 1

Rectifier

X-ray radiationInterelectrode capacitances

Max plate dissipation: 5.3 W
Rectifier peak inverse voltage: 5000 V
Rectifier nominal output current: 165 mA
Rectifier peak forward current: 1 A
Rectifier forward voltage drop: 32 V

Rectifier section; ratings and characteristics retained in parameter rows where not safely promotable.

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

1971 RCA HB3 Binder 4 of 7

Published operating points and test conditions from this source.

SECTION 1

Rectifier

Characteristics

Voltage (AC or DC) t
6.3 V
PublishedColumn1
Voltage (AC or DC) t
0.6 V
PublishedColumn2
Peak
5500 V
DC component
900 V
Peak
300 V
DC component
100 V

Capacitance

Plate to cathode and heater
4.4 pF
Cathode to plate and heater
6 pF
Heater to cathode
1.8 pF

Other

Peak Inverse Plate Vol tag ea
5000 V
Peak Plate Current
1000 mA
DC Plate Current
165 mA
Plate Dissipation
5.3 W