Data set 01
1965 Sylvania Electronic Tubes Vol3
Published operating points and test conditions from this source.
SECTION 1
Rectifier
Other
Peak inverse voltage
5000 V
Peak plate current
1100 mA
DC plate current
175 mA
Rectifier - Damper Diode ·Rectifier
6DM4
Indirectly heated half-wave rectifier designed specifically for damper service in black-and-white television horizontal-deflection circuits.
Directly heatedCold cathodeCommon cathodeDissimilar
- Sections
- 1
- Base
- 4C
- Socket code
- IO
- Base pins
- 8
- Nominal heater
- 6.3 V / 1.2 A
Description
The 6DM4 is a half-wave vacuum rectifier designed specifically as a damper diode in horizontal-deflection circuits of black-and-white television receivers.
Socket description
International Octal
General specifications
Tube and section characteristics
Properties common to every published source and operating point.
Heater and base
- Base
- 4C
- Socket code
- IO
- Base pins
- 8
- Nominal heater voltage
- 6.3 V
- Nominal heater current
- 1.2 A
- Parallel heater voltage
- -
- Parallel heater current
- -
- Series capable
- No
4C - 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 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
- 35 V
- Rectifier max heater-cathode voltage
- 900 V
Published Westinghouse maximum ratings, characteristics, pulse/deflection values, capacitances, and typical operating conditions promoted where applicable; additional values 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 02
1965 Westinghouse Data Book
Published operating points and test conditions from this source.
SECTION 1
Rectifier
Other
Peak inverse voltage maximum
5000 V
DC plate current maximum
165 mA
Heater-cathode voltage maximum
900 V
Application
Application
Television horizontal-deflection damping diode
Data set 03
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
5000 V
DamperService
Peak plate current
1100 mA
DamperService
DC output current
175 mA
DamperService
Characteristics
Tube voltage drop
35 V
PlateCurrent=400mA
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