Alternatives & variations Download PDF datasheet

Voltage - Triode (with diode, heptode or hexode) ·Heptode-Triode

ECH200

Triode-heptode combination for television and signal-processing applications. The multi-grid section provides controlled signal handling while the triode supplies a separate voltage-amplifying or control function.

Directly heatedCold cathodeCommon cathodeDissimilar

Sections: 2
Base: -
Socket code: B10B
Base pins: 10
Nominal heater: 6.3 V / 435 mA

Description

Triode-heptode for separation and amplification of television synchronizing signals.

Socket description

Decal 10-contact

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base: -
Socket code: B10B
Base pins: 10
Nominal heater voltage: 6.3 V
Nominal heater current: 435 mA
Parallel heater voltage: 6.3 V
Parallel heater current: 435 mA
Series capable: No

Terminal pinout

Electrical assignments shared by every tube using this base designation.

No verified pinout is recorded for this base designation.

Section ratings

2 physical sections, each with unique specifications.

Section 1

Triode

X-ray radiationInterelectrode capacitances

Plate resistance: 18000 Ω
Transconductance: 0.0055 S
Amplification factor: 50
Max plate voltage: 300 V
Max plate dissipation: 1.5 W
Max cathode current: 20 mA

Published maximum ratings and typical characteristics promoted from the approved source.

Section 2

Heptode

X-ray radiationInterelectrode capacitances

Plate resistance: 500000 Ω
Transconductance: 0.0025 S
Max plate voltage: 550 V
Max screen voltage: 250 V
Max plate dissipation: 2 W
Max screen dissipation: 0.8 W
Max cathode current: 30 mA

Published maximum ratings and typical characteristics promoted from the approved source.

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

1968 Mazda Belvu

Published operating points and test conditions from this source.

SECTION 1

Triode

Characteristics

Heater voltage
6.3 V
Published nominal value
Heater current
435 mA
Published nominal value

Other

Maximum plate dissipation
1.5 W
Published maximum rating

SECTION 2

Heptode

Characteristics

Heater voltage
6.3 V
Published nominal value
Heater current
435 mA
Published nominal value

Other

Maximum plate dissipation
0.5 W
Published maximum rating
Application
Television synchronization separator/amplifier
Printed source application

Data set 02

1972 Philips Receiving Tubes

Published operating points and test conditions from this source.

SECTION 1

Triode

Other

HeaterVoltageNominal
6.3 V
Nominal
HeaterCurrentNominal
435 mA
Nominal
Maximum Plate Voltage
300 V
Maximum Plate Dissipation
1.5 W
Maximum Cathode Current
20 mA

Characteristic

Transconductance
5500 µS
Typical
Amplification Factor
50
Typical
Plate Resistance
18000 ohm
Typical

SECTION 2

Heptode

Other

HeaterVoltageNominal
6.3 V
Nominal
HeaterCurrentNominal
435 mA
Nominal
Maximum Plate Voltage
550 V
Maximum Screen Voltage
250 V
Maximum Plate Dissipation
2 W
Maximum Screen Dissipation
0.8 W
Maximum Cathode Current
30 mA

Characteristic

Transconductance
2500 µS
Typical
Plate Resistance
500000 ohm
Typical

Data set 03

1999 Philips E-Z

Published operating points and test conditions from this source.

SECTION 1

Triode

Characteristic

Heater voltage \Zi
6.3 V
Published datasheet value
Heater current If
435 mA
Published datasheet value

Other

Cathode to heater voltage Vkf max
100 V
Published datasheet value
Cathode to heater voltage Vit max
100 V
Published datasheet value