506K

Directly heated high-vacuum full-wave rectifier for receiver and similar power supplies. Its four-volt filament and moderate output capability suit conventional transformer-fed B-plus supplies.

Directly heatedCold cathodeCommon cathodeDissimilar

Sections: 2
Base: A
Socket code: -
Base pins: -
Nominal heater: 4 V / 1 A

Description

A directly heated 4 V full-wave rectifier rated for 2 x 300 V RMS transformer voltage and 75 mA DC output.

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base: A
Socket code: -
Base pins: -
Nominal heater voltage: 4 V
Nominal heater current: 1 A
Parallel heater voltage: -
Parallel heater current: -
Series capable: No

A - 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

Rectifier

X-ray radiationInterelectrode capacitances

Rectifier nominal output current: 75 mA

Full-wave rectifier; maximum transformer voltage 2 x 300 V RMS.

Section 2

Rectifier

X-ray radiationInterelectrode capacitances

Rectifier nominal output current: 75 mA

Second physical rectifier section; electrical properties populated from corresponding identical section.

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

1999 Philips 0-D

Published operating points and test conditions from this source.

SECTION 1

Rectifier

Other

Transformer voltage max
2 x 300 V RMS
DC output current max
75 mA
Filter capacitance max
32 uF

SECTION 2

Rectifier

Other

Transformer voltage max
2 x 300 V RMS
DC output current max
75 mA
Filter capacitance max
32 uF