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6AY3B

Novar high-voltage half-wave rectifier designed for television horizontal-deflection damper service, with high pulse-current and inverse-voltage capability.

Directly heatedCold cathodeCommon cathodeDissimilar

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

Description

Novar half-wave damper rectifier for television horizontal-deflection circuits. It is a high-voltage half-wave vacuum rectifier intended for CRT horizontal-deflection damper service.

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: 6.5 W
Rectifier peak inverse voltage: 5000 V
Rectifier nominal output current: 175 mA
Rectifier peak forward current: 1.1 A
Rectifier forward voltage drop: 32 V
Rectifier max heater-cathode voltage: 5000 V
Rectifier warm-up time: 11 s

Damper-diode PIV/current ratings are preserved as parameters rather than rectifier-specific promoted fields.

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

1968 General Electric Co

Published operating points and test conditions from this source.

SECTION 1

Rectifier

Other

Peak Inverse Plate Voltage
5000 V
Steady State Peak Plate Current
1.1 A
DC Output Current
175 mA
HeaterCathodeVoltageHeaterPositiveDC
100 V
HeaterCathodeVoltageHeaterPositiveTotalDCPeak
300 V
HeaterCathodeVoltageHeaterNegativeDC
900 V
HeaterCathodeVoltageHeaterNegativeTotalDCPeak
5000 V

Characteristic

Tube Voltage Drop
32 V
PlateCurrent=350mA

Capacitance

Cathode To Plate And Heater Capacitance
9 pF
Plate To Cathode And Heater Capacitance
6.5 pF
Heater To Cathode Capacitance
2.8 pF

Data set 02

1971 RCA HB3 Binder 4 of 7

Published operating points and test conditions from this source.

SECTION 1

Rectifier

Characteristics

respect to cathodes b max
5000 V
respect to cathode a max
300 V
b The dt component must not exceed
900 V
c The do component must not exceed o
10 V

Capacitance

P to (K,H)
6.5 pF
K to (P,H)
9 pF
Heater to cathode
2.8 pF

Other

Peak Inverse Plate Voltage° max
5000 V
Peak Plate Current max
1100 mA
Average Plate Current max
175 mA
Plate Dissipation max
6.5 W

Data set 03

1975 RCA RC30

Published operating points and test conditions from this source.

SECTION 1

Rectifier

Capacitance

Plate-to-cathode and heater capacitance
6.5 pF
Cathode-to-plate and heater capacitance
9 pF
Heater-to-cathode capacitance
2.8 pF

Other

Peak inverse plate voltage
5000 V
DamperService
Peak plate current
1100 mA
DamperService
Average plate current
175 mA
DamperService
Plate dissipation
6.5 W
DamperService
Tube voltage drop
32 V
DamperService