NJ7P SQL Tube Database Query

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838
Power Triode

EIA Base & Outline

EIA Base: 4E
Source ........................................ RCA TT-5 - 1962

Application

Requires jumbo four-contact socket and may be operated in vertical position with base down, or in horizontal position with pins 1 and 3 in vertical plane.

Thoriated-tungsten-filament type used as af power amplifier and modulator and as rf power amplifier and oscillator.

Mechanical Data

EIA Base ...................................... 4E

Electrical Data

Heater Voltage ................................ 10 V
Heater Current ................................ 3.25 A

Direct Interelectrode Capacitances (approx)

Triode
Input ......................................... 6.0 pf
Output ........................................ 4.0 pf
Grid to Plate ................................. 7.8 pf

Maximum Ratings (Design Center Values)

Triode
Plate Voltage ................................. 1250 V
Plate Dissipation ............................. 100 W

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Thu, 18 Aug 2022 16:10:06 -0700