NJ7P SQL Tube Database Query

A horizontal ribbon.

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A horizontal ribbon.

6LB6
Beam Power Pentode

EIA Base & Outline

EIA Base: 12GJEIA Bulb: 12-90

Substitute Data

Substitutes ................................... 6JS6
Source ........................................ GE DS 01/67

Application

Source ........................................ GE DS 01/67
Duodecar type used as horizontal-deflection amplifier in color and bw tv receivers. Requires duodecar 12-contact socket.

Mechanical Data

Source ........................................ GE DS 01/67
Bulb .......................................... T-12
Base Type ..................................... E12-74 Button 12-Pin
EIA Outline ................................... 12-90
EIA Base ...................................... 12GJ
Top Cap ....................................... C1-2 Skirted Miniature
Cathode ....................................... Coated Unipotential
Mounting Position ............................. Any

Electrical Data

Source ........................................ GE DS 01/67
Heater Voltage ................................ 6.3 V
Heater Current ................................ 2.25 A
Maximum Heater-Cathode Voltage
Heater Positive with Respect to Cathode
DC Component ............................ 100 V
Total DC and Peak ....................... 200 V
Heater Negative with Respect to Cathode
Total DC and Peak ....................... 200 V

Direct Interelectrode Capacitances (approx)

Pentode
Source ........................................ GE DS 01/67
Input ......................................... 33.0 pf
Output ........................................ 18.0 pf
Grid to Plate ................................. 0.44 pf

Maximum Ratings (Design Center Values)

Pentode
Source ........................................ GE DS 01/67
Plate Voltage ................................. 990 V
Grid No. 2 Voltage ............................ 200 V
Plate Dissipation ............................. 30 W
Grid No. 2 Dissipation ........................ 5 W
Bulb Temperature (At Hottest Point) ........... 200 °C

Characteristics and Typical Operation

Class A Amplifier
Source ........................................ GE DS 01/67
Plate Voltage ................................. 150 V
Grid No. 2 Voltage ............................ 110 V
Grid No. 1 Voltage ............................ -20 V
Plate Resistance (approx) ..................... 6600 Ω
Transconductance .............................. 13400 µMho
Plate Current ................................. 105 mA
Grid No. 2 Current (Zero Signal) .............. -40 mA
Grid No. 2 Current (Maximum Signal) ........... 1000 mA

Hortz Defl Amplifier
Source ........................................ GE DS 01/67
DC Plate Supply Voltage ....................... 990 V
Peak Positive-Pulse Plate Voltage ............. 7000 V
Peak Negative-Pulse Plate Voltage ............. 100 V
DC Grid No. 3 Voltage ......................... 0 V
DC Grid No. 2 Voltage ......................... 200 V
Peak Negative-Pulse Grid No. 1 Voltage ........ 300 V
Average Cathode Current ....................... 315 mA
Peak Cathode Current .......................... 1100 mA
Plate Dissipation ............................. 30 W
Grid No. 2 Dissipation ........................ 5.0 W

A horizontal ribbon.

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A horizontal ribbon.

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Fri, 09 Dec 2022 05:25:41 -0700