NJ7P SQL Tube Database Query

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224A
Sharp-Cutoff Tetrode

EIA Base & Outline

EIA Base: 5EEIA Bulb: 14-2

Substitute Data

Preferred Substitutes ......................... 35 51
Source ........................................ RCA R-10 - 1932

Application

Glass type used as rf amplifier or biased detector in ac-operated receivers. Requires five-contact socket.

For other characteristics and typical operation, see 24A

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Wed, 29 Mar 2023 02:22:19 -0700