NJ7P SQL Tube Database Query

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6W7G
Sharp-Cutoff Pentode

EIA Base & Outline

EIA Base: 7REIA Bulb: 12-8

Substitute Data

Preferred Substitutes ......................... 6J7
Substitutes ................................... 6K7 6S7 6U7
Source ........................................ RCA RC-15 - 1947

Application

Source ........................................ RCA RC-15 - 1947
Glass octal type used as biased detector or high-gain amplifier in radio receivers. Requires octal socket. Within maximum ratings this type is identical electrical with type 6J7.

Mechanical Data

Source ........................................ RCA RC-15 - 1947
Bulb .......................................... ST-12
EIA Outline ................................... 12-8
EIA Base ...................................... 7R
Mounting Position ............................. Any

Electrical Data

Source ........................................ RCA RC-15 - 1947
Heater Voltage ................................ 6.3 V
Heater Current ................................ 0.15 A
Maximum Heater-Cathode Voltage
Heater Positive with Respect to Cathode
DC Component ............................ 90 V
Heater Negative with Respect to Cathode
DC Component ............................ 90 V

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 ............................. 0.5 W
Grid No. 2 Dissipation ........................ 0.1 W

Source ........................................ RCA RC-15 - 1947
For other characteristics and typical operation, see 6J7

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Thu, 18 Aug 2022 00:09:02 -0700