NJ7P SQL Tube Database Query

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7N7
Medium-Mu Twin triode

EIA Base & Outline

EIA Base: 8ACEIA Bulb: 9-31

Substitute Data

Preferred Substitutes ......................... 7AF7
Source ........................................ RCA RC-15 - 1947

Application

Source ........................................ RCA RC-15 - 1947
Glass lock-in type used as voltage amplifier or phase inverter in radio equipment. Requires lock-in socket.

Mechanical Data

Source ........................................ RCA RC-15 - 1947
Bulb .......................................... T-9
Base Type ..................................... Lock-in 8-Pin
EIA Outline ................................... 9-31
EIA Base ...................................... 8AC
Mounting Position ............................. Any

Electrical Data

Source ........................................ RCA RC-15 - 1947
Heater Voltage ................................ 6.3 V
Heater Current ................................ 0.6 A

Source ........................................ RCA RC-15 - 1947
For other characteristics and typical operation, see 6SN7GT

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Mon, 06 Feb 2023 19:48:40 -0700