EF40

0 Tubes in archive

BrandPHILIPS

ClassPENTODE

BaseRimlock

Filament6.3V @ 200mA

Primary TypePentode

EnvelopeGlass

SectionsSingle

Heater NotesIndirect heating by A.C. or D.C.; series or parallel supply

Plate Voltage300 V

Plate Dissipation1 W

Grid 2 Voltage200 V

Grid 1 Voltage-1.3 V

Cathode Current6 mA

H-C Voltage100 V

Key Features

Mode	Plate V	Gm (µmhos)	Rp (Ω)	µ	Plate mA
Pentode	250V	1850	2500000	38	3mA

This tube can be used without special precautions against microphonic effect in amplifiers in which the input voltage Vi > 5 mV for maximum output.

Loading datasheet...

Sort by

Showing 1 to 0 of 0 results