NJ7P SQL Tube Database Query

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12SA7
Pentagrid Converter

EIA Base & Outline

EIA Base: 8R

Substitute Data

Preferred Substitutes ......................... 12SY7
Source ........................................ RCA RC-15 - 1947

Application

Metal type used as converter in ac/dc receivers. Requires octal socket.

Mechanical Data

Bulb .......................................... MT-8
Base Type ..................................... Small Wafer Octal 8-Pin
EIA Outline ................................... 8-1
EIA Base ...................................... 8R
Mounting Position ............................. Any

Electrical Data

Heater Voltage ................................ 12.6 V
Heater Current ................................ 0.15 A

For other characteristics and typical operation, see 6SA7

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Wed, 08 Dec 2021 13:02:02 -0700