1564

Directly heated Philips double-anode mercury-vapor/gas industrial rectifier with auxiliary ignition. Its heavy filament supports very high average and peak current in industrial power-conversion service.

Directly heatedCold cathodeCommon cathodeDissimilar

Sections: 2
Base: -
Socket code: -
Base pins: -
Nominal heater: 1.9 V / 70 A

Description

Philips 1564 is a directly heated double-anode mercury-vapour and gas-filled industrial rectifying valve rated for about 60 A per valve, with auxiliary ignition and substantial peak-current capability.

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: 1.9 V
Nominal heater current: 70 A
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

Rectifier

X-ray radiationInterelectrode capacitances

Rectifier peak inverse voltage: 850 V
Rectifier nominal output current: 60 A
Rectifier peak forward current: 135 A
Rectifier forward voltage drop: 15 V
Rectifier warm-up time: 120 s

Representative of two identical anode rectifier paths; published Ia max 30 A per anode.

Section 2

Rectifier

X-ray radiationInterelectrode capacitances

Rectifier peak inverse voltage: 850 V
Rectifier nominal output current: 60 A
Rectifier peak forward current: 135 A
Rectifier forward voltage drop: 15 V
Rectifier warm-up time: 120 s

Physical rectifier section 2; electrical properties populated from the same published ratings applicable to the identical rectifier path.

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

Maximum RMS anode supply voltage
275 V
Minimum RMS anode supply voltage
60 V
Maximum average anode current per anode
30 A
Permitted mercury/ambient temperature
30 to 80 degC
DC output current
60 A

Characteristics

Ignition voltage
50 V

SECTION 2

Rectifier

Other

Maximum RMS anode supply voltage
275 V
Minimum RMS anode supply voltage
60 V
Maximum average anode current per anode
30 A
Permitted mercury/ambient temperature
30 to 80 degC
DC output current
60 A

Characteristics

Ignition voltage
50 V