NJ7P SQL Tube Database Query

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7W7
Sharp-Cutoff Pentode

EIA Base & Outline

EIA Base: 8BJEIA Bulb: 9-30
Source ........................................ RCA RC-15 - 1947

Application

Source ........................................ RCA RC-15 - 1947
Glass lock-in type used as rf ot if amplifier in radio receivers. Requires lock-in socket.

Mechanical Data

Source ........................................ RCA RC-15 - 1947
Bulb .......................................... T-9
Base Type ..................................... Lock-in 8-Pin
EIA Outline ................................... 9-30
EIA Base ...................................... 8BJ

Electrical Data

Source ........................................ RCA RC-15 - 1947
Heater Voltage ................................ 6.3 V
Heater Current ................................ 0.45 A

Source ........................................ RCA RC-15 - 1947
For other characteristics and typical operation, see 7V7

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Thu, 18 Aug 2022 00:03:12 -0700