6486A

Reliable hard-glass Bendix miniature dual-control pentode with a published 10,000-hour life expectancy. Designed for demanding professional service, it combines dual-control operation with long-life, high-reliability construction.

Directly heatedCold cathodeCommon cathodeDissimilar

Sections: 1
Base: E9-1
Socket code: B9A
Base pins: 9
Nominal heater: 6.3 V / 250 mA

Description

Bendix Aviation Gorp. Bendix TE-43 Red Bark Division Page 1 of 1 Electron Tube Plant February 18, 1957 Eatontown, New Jersey TYPE 6486A (Tentative Data) Reliable Hard Glass Miniature Dual Control Pentode MECHANICAL DATA Coated unipotential cathode Outline drawing. . . . 6-2 Bulb. . . . . . . . T-61/2 Base. . . . . . . . . + . . .+ . E9-1 miniature button, 9-Pin Maximum bulb temperature . . . . . . . . .+ . .+ . . . 300°C Maximum diameter. . . . .+« .+ .« .+« o« o« 4 4« . .« . . . 18 Maximum seated height . . . . . . . . . . . . . . 1-15/16 Maximum overall length . . . . . . . . . . . . . . . 2-3/16 Pin connections Pin ! Grid #1 9DV Pin 6 Heater Pin 2 Cathode Pin 7 Grid #2 Pin 3 No connection Pin 8 Cathode Pin 4 Heater Pin 9 Grid #3 Pin 5 Pilate Mounting position . . . . . . . . . . < . . . . . . . any Life expeclancy . . . . « .+ .+ . o« « o« . . . 10,000 hrs ELECTRICAL DATA Direct Inter

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: E9-1
Socket code: B9A
Base pins: 9
Nominal heater voltage: 6.3 V
Nominal heater current: 250 mA
Parallel heater voltage: -
Parallel heater current: -
Series capable: No

E9-1 - 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

Pentode

X-ray radiationInterelectrode capacitances

Transconductance: 0.00325 S
Max plate voltage: 200 V
Max screen voltage: 155 V
Max plate dissipation: 2 W
Max screen dissipation: 0.85 W
Max cathode current: 18 mA

Published characteristics and ratings promoted where clearly recoverable from source.

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

196X Bendix

Published operating points and test conditions from this source.

SECTION 1

Pentode

Other

Heater Voltage
6.3 V
Published datasheet value; see source context.
Plate Voltage
200 V
Published datasheet value; see source context.
Grid 2 Voltage
155 V
Published datasheet value; see source context.

Characteristic

Heater Current
250 mA
Published datasheet value; see source context.
Plate Current
3.5 mA
Published datasheet value; see source context.
Mutual Conductance
3250 µS
Published datasheet value; see source context.