Tube-number record

E. 251

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BrandRadio-Major

ClassTransmitting Tube (Zendlampen)

BaseSpecial / none

Construction

Primary TypeTriode

EnvelopeGlass

Base MaterialNickel-plated sleeve

Plate Voltage1500 V

Plate Dissipation40 W

Key Features

Mode	Plate V	Gm (µmhos)	Rp (Ω)	µ	Plate mA
Transmitting	1150 V	1000	22500	22.5	60 mA

Designed for low-power transmission in wireless telegraphy and telephony.

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Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.

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