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Rectifier - Half Wave ·Rectifier

6Y50

Indirectly heated high-voltage half-wave vacuum rectifier for substantial electronic power supplies. Its 6.3 V heater combines multi-kilovolt capability with useful current output.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
S9/25
Socket code
B9D
Base pins
9
Nominal heater
6.3 V / 1.65 A

Description

High-voltage half-wave vacuum rectifier for power-supply service.

Socket description

Magnoval 9-contact

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
S9/25
Socket code
B9D
Base pins
9
Nominal heater voltage
6.3 V
Nominal heater current
1.65 A
Parallel heater voltage
-
Parallel heater current
-
Series capable
Yes

S9/25 - 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
Max plate dissipation
10 W
Rectifier peak inverse voltage
3500 V
Rectifier nominal output current
220 mA
Rectifier peak forward current
700 mA

Electrical section mapped from published characteristics and maximum ratings.

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

195X Tesla

Published operating points and test conditions from this source.

SECTION 1

Rectifier

Other

  • AC plate voltage, half-wave

    1200 V

  • Rectified output current, half-wave

    220 mA

  • Rectified output voltage, half-wave

    1350 V

  • AC plate voltage, full-wave pair

    850 V

  • Rectified output current, full-wave pair

    400 mA

Data set 02

1969 Tesla Manual of Electronic Tubes

Published operating points and test conditions from this source.

SECTION 1

Rectifier

Characteristics

  • Heater voltage

    6.3 V

    Published nominal value

  • Heater current

    1.65 A

    Published nominal value

Other

  • Maximum rectified current

    220 mA

    Published half-wave service