NJ7P SQL Tube Database Query

A horizontal ribbon.

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A horizontal ribbon.

6BJ6A
Remote-Cutoff Pentode

EIA Base & Outline

EIA Base: 7CMEIA Bulb: 5-2

Substitute Data

Preferred Substitutes ......................... 6DC6
Substitutes ................................... 6BH6 6DB6
Source ........................................ RCA RC-29 - 1975

Application

Source ........................................ RCA RC-29 - 1975
Miniature type used as rf amplifier in high-frequency and wide-band applications. Features high transconductance and low grid-plate capacitance. Tube requires miniature 7-contact socket and may be mounted in any position.

Mechanical Data

Source ........................................ RCA RC-29 - 1975
Bulb .......................................... T-5 1/2
Base Type ..................................... Miniature Button 7-Pin
EIA Outline ................................... 5-2
EIA Base ...................................... 7CM
Cathode ....................................... Coated Unipotential
Mounting Position ............................. Any

Electrical Data

Source ........................................ RCA RC-29 - 1975
Heater Voltage ................................ 6.3 V
Heater Current ................................ 0.15 A

Direct Interelectrode Capacitances (approx)

Pentode
Source ........................................ RCA RC-29 - 1975
Input ......................................... 4.5 pf
Output ........................................ 5.5 pf
Grid to Plate ................................. 0.0035 pf

Maximum Ratings (Design Center Values)

Pentode
Source ........................................ RCA RC-29 - 1975
Plate Voltage ................................. 300 V
Grid No. 2 Voltage ............................ 300 V
Plate Dissipation ............................. 3 W
Grid No. 2 Dissipation ........................ 0.6 W

Characteristics and Typical Operation

Class A Amplifier
Source ........................................ RCA RC-29 - 1975
Plate Voltage ................................. 250 V
Grid No. 2 Voltage ............................ 100 V
Grid No. 1 Voltage ............................ -1 V
Plate Resistance (approx) ..................... 1.3M Ω
Transconductance .............................. 3800 µMho
Plate Current ................................. 9.2 mA
Grid No. 2 Current ............................ 3.3 mA

Class A Amplifier
Source ........................................ RCA RC-29 - 1975
Plate Voltage ................................. 100 V
Grid No. 2 Voltage ............................ 100 V
Grid No. 1 Voltage ............................ -1 V
Plate Resistance (approx) ..................... 250K Ω
Transconductance .............................. 3650 µMho
Plate Current ................................. 9.0 mA
Grid No. 2 Current ............................ 3.5 mA

A horizontal ribbon.

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A horizontal ribbon.

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Tue, 29 Nov 2022 00:50:42 -0700