Skip to main content
Tube Tinker — Electron Tube Database
Alternatives & variationsDownload PDF datasheet

Rectifier - Damper Diode ·Rectifier

6BS3A

Novar half-wave vacuum rectifier designed as a damper tube in television horizontal-deflection circuits, with controlled heater warm-up.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
9HP
Socket code
B9A
Base pins
9
Nominal heater
6.3 V / 1.2 A

Description

Novar half-wave vacuum rectifier used as a damper tube in horizontal-deflection circuits of television receivers.

Socket description

Small-button Noval 9-contact

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
9HP
Socket code
B9A
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.

TerminalSectionConnectionEvidence
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
Transconductance
0.00018 S
Max screen voltage
150 V
Max plate dissipation
6 W
Max screen dissipation
0.75 W
Rectifier peak inverse voltage
5000 V
Rectifier nominal output current
200 mA
Rectifier peak forward current
1.1 A
Rectifier forward voltage drop
12 V
Rectifier warm-up time
11 s

Published promoted values applied where applicable; additional table data retained as parameters.

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) — published value 1

    6 V

    Published datasheet value; multiple values represent separate source-table limits or conditions.

  • Voltage• (AC or DC) — published value 2

    310.6 V

    Published datasheet value; multiple values represent separate source-table limits or conditions.

  • Current at heater volts = 6 3 — published value 1

    6 V

    Published datasheet value; multiple values represent separate source-table limits or conditions.

  • Current at heater volts = 6 3 — published value 2

    3 V

    Published datasheet value; multiple values represent separate source-table limits or conditions.

  • Current at heater volts = 6 3 — published value 3

    1.2 V

    Published datasheet value; multiple values represent separate source-table limits or conditions.

  • Heater to cathode

    28 pF

    Published datasheet value; multiple values represent separate source-table limits or conditions.

  • Pin 2 -Plate

    2

    Published datasheet value; multiple values represent separate source-table limits or conditions.

  • Pin 4 -Heater

    4

    Published datasheet value; multiple values represent separate source-table limits or conditions.

  • Pin 5-Heater

    5

    Published datasheet value; multiple values represent separate source-table limits or conditions.

  • Pin 7-Plate

    7

    Published datasheet value; multiple values represent separate source-table limits or conditions.

  • Tube Voltage Drop for plate ma = 140 — published value 1

    140 V

    Published datasheet value; multiple values represent separate source-table limits or conditions.

  • Tube Voltage Drop for plate ma = 140 — published value 2

    12 V

    Published datasheet value; multiple values represent separate source-table limits or conditions.

Other

  • Peak Inverse Plate Voltages

    5000 V

    Published datasheet value; multiple values represent separate source-table limits or conditions.

  • Peak Plate Current

    1100 mA

    Published datasheet value; multiple values represent separate source-table limits or conditions.

  • Average Plate Current

    200 mA

    Published datasheet value; multiple values represent separate source-table limits or conditions.

  • Plate Dissipation

    6 mA

    Published datasheet value; multiple values represent separate source-table limits or conditions.

Data set 02

1975 RCA RC30

Published operating points and test conditions from this source.

SECTION 1

Rectifier

Other

  • Heater Voltage (ac/dc) 6-3 12.6

    16.8 V

    Published in approved 17DW4A target datasheet entry; Section1

  • Heater Current 1-2 0.6

    450 mA

    Published in approved 17DW4A target datasheet entry; Section1

  • Heater Warm-up Time (Average) — 11

    11 seconds

    Published in approved 17DW4A target datasheet entry; Section1

  • Peak Inverse Plate Voltage*

    5000 V

    Published in approved 17DW4A target datasheet entry; Section1

  • Peak Plate Current

    1100 mA

    Published in approved 17DW4A target datasheet entry; Section1

  • Average Plate Current

    200 mA

    Published in approved 17DW4A target datasheet entry; Section1

  • Peak value -f300 —

    -5000 V

    Published in approved 17DW4A target datasheet entry; Section1

  • Average value +100

    900 V

    Published in approved 17DW4A target datasheet entry; Section1

  • Tube Voltage Drop for plate current of

    140 mA

    Published in approved 17DW4A target datasheet entry; Section1

  • Tube Voltage Drop for plate current of 140 mA

    12 V

    Published in approved 17DW4A target datasheet entry; Section1

  • £ Pulse duration must not exceed 15% of a horizontal scanning cycle (

    10 microseconds

    Published in approved 17DW4A target datasheet entry; Section1

  • Heater Voltage (ac/dc) 3.15 4.2

    6.3 V

    Published in approved 17DW4A target datasheet entry; Section1

  • Heater Current 0.6 0.45

    300 mA

    Published in approved 17DW4A target datasheet entry; Section1

  • Heater Warm-up Time (Average) 11

    11 seconds

    Published in approved 17DW4A target datasheet entry; Section1

  • Plate Voltage (Each Unit)

    300 V

    Published in approved 17DW4A target datasheet entry; Section1

  • Peak positive value

    50 V

    Published in approved 17DW4A target datasheet entry; Section1

  • DC negative value

    50 V

    Published in approved 17DW4A target datasheet entry; Section1

  • DC positive value

    3 V

    Published in approved 17DW4A target datasheet entry; Section1

  • Grid-No.2 (Screen-Grid) Voltage

    150 V

    Published in approved 17DW4A target datasheet entry; Section1

  • Grid-No.l (Control-Grid) Voltage, Negative bias value

    50 V

    Published in approved 17DW4A target datasheet entry; Section1

  • Cathode Current

    12 mA

    Published in approved 17DW4A target datasheet entry; Section1

  • Plate Dissipation (Each Unit)

    1.1 W

    Published in approved 17DW4A target datasheet entry; Section1

  • Grid-No.2 Input

    0.75 W

    Published in approved 17DW4A target datasheet entry; Section1

  • Plate Voltage (Each Unit) 100

    100 V

    Published in approved 17DW4A target datasheet entry; Section1

Capacitance

  • Plate to Cathode and Heater

    6.5 pF

    Published in approved 17DW4A target datasheet entry; Section1

  • Heater to Cathode z

    8 pF

    Published in approved 17DW4A target datasheet entry; Section1

  • Grid No. 3 to Plate (Each Unit)

    1.9 pF

    Published in approved 17DW4A target datasheet entry; Section1

  • Grid No.l to All Other Electrodes

    6 pF

    Published in approved 17DW4A target datasheet entry; Section1

  • Grid No.3 to All Other Electrodes (Each Unit)

    3.6 pF

    Published in approved 17DW4A target datasheet entry; Section1

  • Plate to All Other Electrodes (Each Unit)

    3 pF

    Published in approved 17DW4A target datasheet entry; Section1

Characteristic

  • Grid-No-3 Voltage (Each Unit) —10

    0 V

    Published in approved 17DW4A target datasheet entry; Section1

  • Grid-No.2 Voltage 67.6

    67.5 V

    Published in approved 17DW4A target datasheet entry; Section1

  • Plate Current (Each Unit)

    2.2 mA

    Published in approved 17DW4A target datasheet entry; Section1

  • Grid-No.2 Current 6.5

    3.3 mA

    Published in approved 17DW4A target datasheet entry; Section1

  • Cathode Current 6.6

    7.8 mA

    Published in approved 17DW4A target datasheet entry; Section1

  • Plate Voltage 100

    100 V

    Published in approved 17DW4A target datasheet entry; Section1

  • Grid-No.3 Voltage 0

    0 V

    Published in approved 17DW4A target datasheet entry; Section1

  • Grid-No.2 Voltage 67.5

    67.5 V

    Published in approved 17DW4A target datasheet entry; Section1

  • Grid-No.3 Transconductance

    180 µS

    Published in approved 17DW4A target datasheet entry; Section1