NJ7P SQL Tube Database Query

A horizontal ribbon.

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A horizontal ribbon.

6JN6A
Beam Power Tube

EIA Base & Outline

EIA Base: 12FKEIA Bulb: 12-56

Application

Duodecar type used as horizontal-deflection amplifier in color and bw tv receivers. Requires duodecar 12-contact socket. Except for Cgp electrically identical to 6JM6A.

Mechanical Data

Bulb .......................................... T-12
EIA Outline ................................... 12-56
EIA Base ...................................... 12FK

Electrical Data

Heater Voltage ................................ 6.3 V
Heater Current ................................ 1.2 A

Direct Interelectrode Capacitances (approx)

Pentode
Input ......................................... 16 pf
Output ........................................ 7 pf
Grid to Plate ................................. 0.34 pf

Maximum Ratings (Design Center Values)

Pentode
Plate Voltage ................................. 770 V
Grid No. 2 Voltage ............................ 220 V
Plate Dissipation ............................. 17.5 W
Grid No. 2 Dissipation ........................ 3.5 W

Characteristics and Typical Operation

Class A Amplifier
Plate Voltage ................................. 250 V
Grid No. 2 Voltage ............................ 250 V
Grid No. 1 Voltage ............................ -22.5 V
Plate Resistance (approx) ..................... 15000 Ω
Transconductance .............................. 7300 µMho
Plate Current ................................. 65 mA
Grid No. 2 Current ............................ 1.8 mA

Hortz Defl Amplifier
DC Plate Supply Voltage ....................... 770 V
Peak Positive-Pulse Plate Voltage ............. 6500 V
Peak Negative-Pulse Plate Voltage ............. 1500 V
DC Grid No. 3 Voltage ......................... 70 V
DC Grid No. 2 Voltage ......................... 220 V
Peak Negative-Pulse Grid No. 1 Voltage ........ -330 V
Average Cathode Current ....................... 175 mA
Peak Cathode Current .......................... 550 mA
Plate Dissipation ............................. 17.5 W
Grid No. 2 Dissipation ........................ 3.5 W

A horizontal ribbon.

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A horizontal ribbon.

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Mon, 15 Aug 2022 17:18:39 -0700