NJ7P SQL Tube Database Query

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6U7G
Remote-Cutoff Pentode

EIA Base & Outline

EIA Base: 7REIA Bulb: 12-4

Substitute Data

Preferred Substitutes ......................... 6K7
Substitutes ................................... 6S7
Source ........................................ RCA RC-15 - 1947

Application

Source ........................................ RCA RC-15 - 1947
Glass octal type used in rf and if stages of radio receivers employing avc. It is also used as a mixer in superhetrodyne circuits. Requires octal socket.

Mechanical Data

Source ........................................ RCA RC-15 - 1947
Bulb .......................................... ST-12
EIA Outline ................................... 12-4
EIA Base ...................................... 7R

Electrical Data

Source ........................................ RCA RC-15 - 1947
Heater Voltage ................................ 6.3 V
Heater Current ................................ 0.3 A

Maximum Ratings (Design Center Values)

Pentode
Source ........................................ RCA RC-15 - 1947
Plate Voltage ................................. 300 V
Grid No. 2 Supply Voltage ..................... 300 V
Grid No. 2 Voltage ............................ 100 V
Positive Grid No. 1 Voltage ................... 0 V
Plate Dissipation ............................. 2.25 W
Grid No. 2 Dissipation ........................ 0.25 W

Characteristics and Typical Operation

Class A Amplifier
Source ........................................ RCA RC-15 - 1947
Plate Voltage ................................. 250 V
Grid No. 2 Voltage ............................ 100 V
Grid No. 1 Voltage ............................ -3 V
Plate Resistance (approx) ..................... 800K Ω
Transconductance .............................. 1600 µMho
Plate Current ................................. 8.2 mA
Grid No. 2 Current ............................ 2 mA

Class A Amplifier
Source ........................................ RCA RC-15 - 1947
Plate Voltage ................................. 100 V
Grid No. 2 Voltage ............................ 100 V
Grid No. 1 Voltage ............................ -3 V
Plate Resistance (approx) ..................... 250K Ω
Transconductance .............................. 1500 µMho
Plate Current ................................. 8.0 mA
Grid No. 2 Current ............................ 2.2 mA

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Sat, 25 Jun 2022 09:55:30 -0700