NJ7P SQL Tube Database Query

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6BU8A
Dual Sharp-Cutoff Pentode

EIA Base & Outline

EIA Base: 9FGEIA Bulb: 6-3

Substitute Data

Preferred Substitutes ......................... 6HS8
Substitutes ................................... 6GS8 6KF8
Source ........................................ RCA RC-29 - 1975

Application

Source ........................................ RCA RC-29 - 1975
Miniature type used as combined sync separator, sync clipper, and agc amplifier tube in color and black-and-white television receivers. Requires miniature 9-contact socket.

Mechanical Data

Source ........................................ RCA RC-29 - 1975
Bulb .......................................... T-6 1/2
Base Type ..................................... Miniature Button 9-Pin
EIA Outline ................................... 6-3
EIA Base ...................................... 9FG
Cathode ....................................... Coated Unipotential
Mounting Position ............................. Any

Electrical Data

Source ........................................ RCA RC-29 - 1975
Heater Voltage ................................ 6.3 V
Heater Current ................................ 0.3 A

Direct Interelectrode Capacitances (approx)

Pentode
Source ........................................ RCA RC-29 - 1975
Input ......................................... 6 pf
Output ........................................ 3 pf

Maximum Ratings (Design Center Values)

Pentode
Source ........................................ RCA RC-29 - 1975
Plate Voltage ................................. 300 V
Grid No. 2 Voltage ............................ 150 V
Plate Dissipation ............................. 1.1 W
Grid No. 2 Dissipation ........................ 0.75 W

Characteristics and Typical Operation

Class A Amplifier
Source ........................................ RCA RC-29 - 1975
Plate Voltage ................................. 100 V
Grid No. 2 Voltage ............................ 67.5 V
Plate Current ................................. 2.2 mA
Grid No. 2 Current ............................ 3.3 mA

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Mon, 05 Dec 2022 02:18:20 -0700