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6DN3

Novar high-voltage half-wave vacuum rectifier designed for color-television horizontal-deflection damper service.

Directly heatedCold cathodeCommon cathodeDissimilar

Sections: 1
Base: 9HP
Socket code: IO
Base pins: 9
Nominal heater: 6.3 V / 2.4 A

Description

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

Socket description

International Octal

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base: 9HP
Socket code: IO
Base pins: 9
Nominal heater voltage: 6.3 V
Nominal heater current: 2.4 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: 9 W
Rectifier peak inverse voltage: 5500 V
Rectifier nominal output current: 350 mA
Rectifier peak forward current: 2.1 A
Rectifier forward voltage drop: 14 V
Rectifier max heater-cathode voltage: 5500 V

Television damper diode.

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

Other

Heater voltage
6.3 V
Heater current
2.4 A
Peak inverse plate voltage
5500 V
DamperService
Peak heater-cathode voltage heater negative
-5500 V
Peak heater-cathode voltage heater positive
300 V
Average heater-cathode voltage
900 V
Peak plate current
2100 mA
DamperService
Average plate current
350 mA
DamperService
Plate dissipation
9 W

Characteristic

Tube voltage drop
14 V
PlateCurrent=350mA

Capacitance

Plate-to-cathode-and-heater capacitance
13 pF
Cathode-to-plate-and-heater capacitance
16 pF
Heater-to-cathode capacitance
4 pF

Data set 02

1975 RCA RC30

Published operating points and test conditions from this source.

SECTION 1

Rectifier

Other

Peak inverse plate voltage
5500 V
DamperService
Peak plate current
2100 mA
DamperService
Average plate current
350 mA
DamperService
Plate dissipation
9 W
DamperService
Tube voltage drop
14 V
DamperService

Capacitance

Plate-to-cathode and heater capacitance
13 pF
Cathode-to-plate and heater capacitance
16 pF
Heater-to-cathode capacitance
4 pF