6SB7Y

Pentagrid converter for oscillator and mixer service in superheterodyne receiving equipment. Its multi-grid structure performs frequency conversion with useful isolation between oscillator, signal-input, and output circuits.

Directly heatedCold cathodeCommon cathodeDissimilar

Sections: 1
Base: -
Socket code: IO
Base pins: 8
Nominal heater: 6.3 V / 300 mA

Description

The 6SB7Y is a Heptode vacuum tube as described by the source datasheet.

Socket description

International Octal

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base: -
Socket code: IO
Base pins: 8
Nominal heater voltage: 6.3 V
Nominal heater current: 300 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

Heptode

X-ray radiationInterelectrode capacitances

Plate resistance: 500000 Ω
Max plate voltage: 300 V
Max screen voltage: 100 V
Max plate dissipation: 2 W
Max screen dissipation: 1.5 W
Max cathode current: 22 mA

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

1961 Tung Sol

Published operating points and test conditions from this source.

SECTION 1

Heptode

Other

Heater voltage
6.3 V
Heater current
300 mA
Plate voltage
300 V
Typical operating conditions
Plate current
3.63.8 mA
Typical operating conditions

Characteristic

Conversion transconductance
900950 uS
Typical operating conditions