NJ7P SQL Tube Database Query

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12SR7
Twin Diode - Medium-Mu Triode

EIA Base & Outline

EIA Base: 8Q

Substitute Data

Preferred Substitutes ......................... 12SQ7
Substitutes ................................... 12SW7
Source ........................................ RCA RC-15 - 1947

Application

Metal type used as combined detector, amplifier and avc tube in ac/dc radio receivers. Requires octal socket.

Mechanical Data

Bulb .......................................... MT-8
EIA Base ...................................... 8Q

Electrical Data

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

For other characteristics and typical operation, see 6SR7

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Thu, 30 Jun 2022 04:32:19 -0700