NJ7P Tube Database Search

6LR6
Beam Power Tube

Base & Bulb ( RCA RC-29 - 1975)

EIA Base 12FY  EIA Bulb 12-90

Substitute Data

Preferred Substitutes ......................... 6JS6

Application

Duodecar type used as horizontal-deflection amplifier in color tv receivers. An integral radiator-fin design dissipates heat uniformly. Requires duodecar 12-contact socket.

Mechanical Data

Bulb .......................................... T-12
Outline ....................................... 12-90
EIA Base ...................................... 12FY

Electrical Data

Heater Voltage ................................ 6.3 V
Heater Current ................................ 2.5 A

Maximum Ratings (Design Center Values)

Pentode
Plate Voltage ................................. 990 V
Grid No. 2 Voltage ............................ 220 V
Plate Dissipation ............................. 30 W
Grid No. 2 Dissipation ........................ 5 W
Grid No. 1 Circuit Resistance
Fixed Bias .................................. 0.47M Ω
Bulb Temperature (At Hottest Point) ........... 250 °C

Characteristics and Typical Operation

Class A Amplifier
Plate Voltage ................................. 175 V
Grid No. 2 Voltage ............................ 110 V
Grid No. 1 Voltage ............................ -20 V
Plate Resistance (approx) ..................... 5300 Ω
Transconductance .............................. 16000 µMho
Plate Current ................................. 140 mA
Grid No. 2 Current ............................ 2.4 mA
Grid No. 1 Voltage for Ib ..................... 1000 µa @ -42 V

Characteristics and Typical Operation

Hortz Defl Amplifier
DC Plate Supply Voltage ....................... 990 V
Peak Positive-Pulse Plate Voltage ............. 7500 V
Peak Negative-Pulse Plate Voltage ............. 1100 V
DC Grid No. 3 Voltage ......................... 75 V
DC Grid No. 2 Voltage ......................... 220 V
Peak Negative-Pulse Grid No. 1 Voltage ........ 330 V
Average Cathode Current ....................... 375 mA
Peak Cathode Current .......................... 1300 mA
Plate Dissipation ............................. 30 W
Grid No. 2 Dissipation ........................ 5 W

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