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Rectifier - Damper Diode ·Rectifier

6CQ4

Glass-octal half-wave vacuum rectifier designed as a damper diode in television horizontal-deflection circuits.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
4L6
Socket code
B9A
Base pins
9
Nominal heater
6.3 V / 1.6 A

Description

Glass-octal 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
4L6
Socket code
B9A
Base pins
9
Nominal heater voltage
6.3 V
Nominal heater current
1.6 A
Parallel heater voltage
-
Parallel heater current
-
Series capable
No

4L6 - Terminal pinout

Electrical assignments shared by every tube using this base designation.

No verified pinout is recorded for this base designation.

Section ratings

1 physical section, each with unique specifications.

Section 1

Rectifier

X-ray radiationInterelectrode capacitances
Max plate voltage
5500 V
Max plate dissipation
6.5 W
Rectifier peak inverse voltage
6500 V
Rectifier nominal output current
180 mA
Rectifier peak forward current
1.1 A
Rectifier forward voltage drop
34 V
Rectifier warm-up time
11 s

Published promoted fields populated from printed headings.

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

1961 Tung Sol

Published operating points and test conditions from this source.

SECTION 1

Rectifier

Other

  • Maximum Peak Plate Current

    1200 mA

  • Maximum DC Plate Current

    190 mA

Data set 02

1965 Sylvania Electronic Tubes Vol3

Published operating points and test conditions from this source.

SECTION 1

Rectifier

Other

  • Peak inverse voltage

    5500 V

  • Peak plate current

    1200 mA

  • DC plate current

    190 mA

Capacitance

  • Heater-to-cathode capacitance

    4 pF

Data set 03

1965 Westinghouse Data Book

Published operating points and test conditions from this source.

SECTION 1

Rectifier

Characteristics

  • Heater Voltage

    6.3 V

  • Heater Current

    1.6 A

  • Voltage Drop

    25 V

    Ib=250mA

Other

  • Peak Inverse Voltage

    5500 V

  • Plate Dissipation

    6.5 W

  • Peak Plate Current

    1.2 A

  • DC Plate Current

    190 mA

Data set 04

1966 Tung Sol Electronic Tubes 2 of 4

Published operating points and test conditions from this source.

SECTION 1

Rectifier

Other

  • Maximum heater-cathode voltage, heater negative DC

    900 V

  • Maximum heater-cathode voltage, heater negative total DC and peak

    5500 V

  • Maximum heater-cathode voltage, heater positive DC

    100 V

  • Maximum heater-cathode voltage, heater positive total DC and peak

    300 V

Characteristic

  • Tube voltage drop at 250 mA DC

    25 V

Capacitance

  • Heater-to-cathode capacitance

    4 pF

  • Plate-to-cathode-and-heater capacitance

    8.5 pF

  • Cathode-to-plate-and-heater capacitance

    11.5 pF

Data set 05

1971 RCA HB3 Binder 4 of 7

Published operating points and test conditions from this source.

SECTION 1

Rectifier

Characteristics

  • Voltage (AC or OC) — published value 1

    6.3 V

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

  • Voltage (AC or OC) — published value 2

    0.6 V

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

  • Current at heater volts = 6.3 — published value 1

    6.3 V

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

  • Current at heater volts = 6.3 — published value 2

    1 V

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

  • Current at heater volts = 6.3 — published value 3

    600 V

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

  • Plate to cathode and heater

    8.5

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

  • Cathode to plate and heater

    11.5

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

  • Pin 2 -Do Not Use° — published value 1

    2

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

  • Pin 2 -Do Not Use° — published value 2

    7

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

  • Pin 3 -Cathode — published value 1

    3

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

  • Pin 3 -Cathode — published value 2

    8

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

  • Pin 5- Plate

    5

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

  • Tube Voltage Drop far plate ma. = 250 — published value 1

    250 V

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

  • Tube Voltage Drop far plate ma. = 250 — published value 2

    25 V

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

Other

  • respect to cathode

    300 V

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

  • PEAK INVERSE PLATE VOLTAGE°

    5500 V

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

  • PEAK PLATE CURRENT

    1200 mA

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

  • DC PLATE CURRENT

    190 mA

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

  • PLATE DISSIPATION — published value 1

    6 mA

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

  • PLATE DISSIPATION — published value 2

    5 mA

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

Data set 06

1975 RCA RC30

Published operating points and test conditions from this source.

SECTION 1

Rectifier

Other

  • Heater Voltage (ac/dc) 6.3 17

    22.4 V

    Published in approved 17DE4 target datasheet entry; Section1

  • Heater Current 1.6 0.6

    450 mA

    Published in approved 17DE4 target datasheet entry; Section1

  • Heater Warm-up Time (Average) — 11

    11 seconds

    Published in approved 17DE4 target datasheet entry; Section1

  • Peak Inverse Plate Voltage#

    6500 V

    Published in approved 17DE4 target datasheet entry; Section1

  • Peak Plate Current

    1100 mA

    Published in approved 17DE4 target datasheet entry; Section1

  • Average Plate Current

    180 mA

    Published in approved 17DE4 target datasheet entry; Section1

  • Plate Dissipation

    6.5 W

    Published in approved 17DE4 target datasheet entry; Section1

  • Peak value +300

    -5500 V

    Published in approved 17DE4 target datasheet entry; Section1

  • Average value -f-100

    900 V

    Published in approved 17DE4 target datasheet entry; Section1

  • Tube Voltage Drop for plate current of

    350 mA

    Published in approved 17DE4 target datasheet entry; Section1

  • Tube Voltage Drop for plate current of 350 mA

    34 V

    Published in approved 17DE4 target datasheet entry; Section1

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

    10 microseconds

    Published in approved 17DE4 target datasheet entry; Section1

  • Heater Voltage (ac/dc) 4.2

    6.3 V

    Published in approved 17DE4 target datasheet entry; Section1

  • Heater Current 0.45

    300 mA

    Published in approved 17DE4 target datasheet entry; Section1

  • Heater Warm-up Time (Average)

    11 seconds

    Published in approved 17DE4 target datasheet entry; Section1

  • Plate Voltage

    330 V

    Published in approved 17DE4 target datasheet entry; Section1

  • Grid-No. 3 (Suppressor-Grid) Voltage, Positive value

    0 V

    Published in approved 17DE4 target datasheet entry; Section1

  • Grid-No.2 (Screen-Grid) Supply Voltage

    330 V

    Published in approved 17DE4 target datasheet entry; Section1

  • Grid-No. I (Control-Grid) Voltage, Positive-bias value

    0 V

    Published in approved 17DE4 target datasheet entry; Section1

  • Plate Dissipation

    2.3 W

    Published in approved 17DE4 target datasheet entry; Section1

Capacitance

  • Plate to Cathode and Heater

    8.5 pF

    Published in approved 17DE4 target datasheet entry; Section1

  • Cathode to Plate and Heater

    11.5 pF

    Published in approved 17DE4 target datasheet entry; Section1

  • Heater to Cathode

    4 pF

    Published in approved 17DE4 target datasheet entry; Section1

  • Grid No.3, and Internal Shield 6.5

    6.5 pF

    Published in approved 17DE4 target datasheet entry; Section1

  • and Internal Shield

    2 pF

    Published in approved 17DE4 target datasheet entry; Section1

Characteristic

  • frequency in the order of

    40 MHz

    Published in approved 17DE4 target datasheet entry; Section1