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4017B

Directly heated hot-cathode mercury-vapor half-wave rectifier with oxide-coated shielded filament. Rated for approximately 7 kV peak inverse voltage and 1.5 A peak anode current, with a specified warm-up delay.

Directly heatedCold cathodeCommon cathodeDissimilar

Sections: 1
Base: -
Socket code: EDISON
Base pins: -
Nominal heater: 2.7 V / 8.25 A

Description

Standard Valves 4017-B is a half-wave, hot-cathode mercury-vapour rectifier using an oxide-coated shielded filament. The sheet specifies 7,000 V maximum peak inverse voltage, 1.5 A maximum peak anode current, a 30-second time delay, and circuit examples up to 6,000 V load potential.

Socket description

Edison screw base

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base: -
Socket code: EDISON
Base pins: -
Nominal heater voltage: 2.7 V
Nominal heater current: 8.25 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

1 physical section, each with unique specifications.

Section 1

Rectifier

X-ray radiationInterelectrode capacitances

Rectifier peak inverse voltage: 7000 V
Rectifier peak forward current: 1.5 A
Rectifier warm-up time: 30 s

Published ratings and characteristics promoted where applicable; additional published data retained as parameters.

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

1937 Standard Valves

Published operating points and test conditions from this source.

SECTION 1

Rectifier

Other

Heating Period After Transport
15 min
Published specification
Recommended Ambient Temperature
10 to 50 degC
Published specification
Heating Time At Ambient 15C Or Above
30 s
Published specification
Heating Time At Ambient 10C To 15C
5 min
Published specification
Load Potential
2500 V
TypicalOperatingConditions; Circuit=2; NumberOfValves=2
Load Current
900 mA
TypicalOperatingConditions; Circuit=2; NumberOfValves=2
Load Potential
5000 V
TypicalOperatingConditions; Circuit=3; NumberOfValves=4
Load Current
900 mA
TypicalOperatingConditions; Circuit=3; NumberOfValves=4
Load Potential
3000 V
TypicalOperatingConditions; Circuit=4; NumberOfValves=3
Load Current
1.2 A
TypicalOperatingConditions; Circuit=4; NumberOfValves=3
Load Potential
3000 V
TypicalOperatingConditions; Circuit=5; NumberOfValves=6
Load Current
2.4 A
TypicalOperatingConditions; Circuit=5; NumberOfValves=6
Load Potential
6000 V
TypicalOperatingConditions; Circuit=6; NumberOfValves=6
Load Current
1.5 A
TypicalOperatingConditions; Circuit=6; NumberOfValves=6
Output Connection Requirement
Connect output circuit to midpoint of filament transformer
Published specification

Data set 02

1946 Standard Telephone and Cables

Published operating points and test conditions from this source.

SECTION 1

Rectifier

Other

Maximum peak inverse voltage
7000 V
Maximum peak anode current
1.5 A