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6DE4

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

Directly heatedCold cathodeCommon cathodeDissimilar

Sections: 1
Base: 4CG
Socket code: IO
Base pins: 5
Nominal heater: 6.3 V / 1.6 A

Description

The 6DE4 is a glass-octal half-wave vacuum rectifier designed specifically as a damper diode in television horizontal-deflection circuits.

Socket description

International Octal

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base: 4CG
Socket code: IO
Base pins: 5
Nominal heater voltage: 6.3 V
Nominal heater current: 1.6 A
Parallel heater voltage: -
Parallel heater current: -
Series capable: No

4CG - Terminal pinout

Electrical assignments shared by every tube using this base designation.

Terminal	Section	Connection	Evidence
PIN1IC	—	IC EIA chart transcription; independent manufacturer corroboration pending	Unverified EIA Base Connections, printed page 127, 4CG
PIN2IC	—	IC EIA chart transcription; independent manufacturer corroboration pending	Unverified EIA Base Connections, printed page 127, 4CG
PIN3K	A	K — Cathode EIA chart transcription; independent manufacturer corroboration pending	Unverified EIA Base Connections, printed page 127, 4CG
PIN5P	A	P — Plate (Anode) EIA chart transcription; independent manufacturer corroboration pending	Unverified EIA Base Connections, printed page 127, 4CG
PIN7H	—	H — Heater EIA chart transcription; independent manufacturer corroboration pending	Unverified EIA Base Connections, printed page 127, 4CG
PIN8H	—	H — Heater EIA chart transcription; independent manufacturer corroboration pending	Unverified EIA Base Connections, printed page 127, 4CG

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: 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

Damper-service half-wave rectifier.

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

1966 Tung Sol Electronic Tubes 2 of 4

Published operating points and test conditions from this source.

SECTION 1

Rectifier

Other

Peak inverse plate voltage
5500 V
DamperService
Peak plate current
1100 mA
DamperService
DC output current
180 mA
DamperService

Capacitance

Plate to heater and cathode capacitance
8.5 pF
Cathode to heater and plate capacitance
11.5 pF
Heater to cathode capacitance
4 pF

Data set 02

1968 General Electric Co

Published operating points and test conditions from this source.

SECTION 1

Rectifier

Other

HeaterVoltageNominal
6.3 V
HeaterCurrentNominal
1.6 A
Maximum Plate Dissipation
6.5 W
DamperService

Data set 03

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