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8CW5A

Beam-power heater variant electrically corresponding to 8CW5, distinguished by an 8 V, 600 mA heater; available registration data do not establish a more specific application.

Directly heatedCold cathodeCommon cathodeDissimilar

Sections: 1
Base: -
Socket code: -
Base pins: -
Nominal heater: 8 V / 600 mA

Description

The 8CW5A is a beam-power tube registration similar to 8CW5 except for heater characteristics.

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base: -
Socket code: -
Base pins: -
Nominal heater voltage: 8 V
Nominal heater current: 600 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

1 physical section, each with unique specifications.

Section 1

Beam Power

X-ray radiationInterelectrode capacitances

Plate resistance: 26000 Ω
Transconductance: 0.011 S
Max plate voltage: 275 V
Max screen voltage: 220 V
Max plate dissipation: 14 W
Max screen dissipation: 2.1 W
Max cathode current: 110 mA

Electrical characteristics reference 8CW5.

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

Beam Power

Characteristics

Heater Voltage
8 V
Heater Current
600 mA
Heater Warm-up Time
11 s
Electrical Characteristics Reference
8CW5 text
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