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R17

Industrial miniature indirectly heated half-wave rectifier for compact equipment. Rated for approximately 1.45 kV peak inverse voltage and 125 mA nominal rectified output for reliable power-supply service.

Directly heatedCold cathodeCommon cathodeDissimilar

Sections: 1
Base: -
Socket code: B9A
Base pins: -
Nominal heater: 6.3 V / 800 mA

Description

Industrial miniature indirectly heated half-wave rectifier for compact equipment, rated to 1450 V peak inverse voltage.

Socket description

Small-button Noval 9-contact

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base: -
Socket code: B9A
Base pins: -
Nominal heater voltage: 6.3 V
Nominal heater current: 800 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

Rectifier

X-ray radiationInterelectrode capacitances

Rectifier peak inverse voltage: 1450 V
Rectifier nominal output current: 125 mA
Rectifier peak forward current: 750 mA
Rectifier max heater-cathode voltage: 700 V

Published ratings and characteristics promoted semantically from the approved source; identical repeated sections compressed where applicable.

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

1958 Brimar Radio Valve No 7

Published operating points and test conditions from this source.

SECTION 1

Rectifier

Other

Peak Anode Current
750 mA
Peak Inverse Voltage
1450 V
Peak Heater-Cathode Voltage
700 V
Direct Output Current
125 mA
350 V RMS input

Characteristic

Commercial Equivalent
CV2218