33HE7

Combination television tube integrating a damper diode with a beam-power horizontal-deflection section for compact line-scan output and energy-recovery service.

Directly heatedCold cathodeCommon cathodeDissimilar

Sections: 2
Base: -
Socket code: B12C
Base pins: -
Nominal heater: 33.6 V / 450 mA

Description

High-perveance damper diode plus beam-power pentode horizontal-deflection amplifier.

Socket description

Duodecar 12-contact

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base: -
Socket code: B12C
Base pins: -
Nominal heater voltage: 33.6 V
Nominal heater current: 450 mA
Parallel heater voltage: -
Parallel heater current: -
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

Diode

X-ray radiationInterelectrode capacitances

Rectifier warm-up time: 11 s

High-perveance damping diode; source sheet states electrical identity to 6HE7/12HE7/38HE7/S8HE7 except heater.

Section 2

Beam Power

X-ray radiationInterelectrode capacitances

No fixed ratings are recorded for this section.

Horizontal-deflection beam-power pentode; source sheet states electrical identity to related HE7 types except heater.

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

1964 RMA EIA

Published operating points and test conditions from this source.

SECTION 1

Diode

CrossReference

Cross-reference / electrical identity
6HE7 / 12HE7 / 38HE7 / S8HE7

Application

Application
Damping diode

Characteristics

Heater warm-up time
11 s

SECTION 2

Beam Power

Application

Application
Horizontal-deflection amplifier