NJ7P SQL Tube Database Query

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6JC6A
Sharp-Cutoff Pentode

EIA Base & Outline

EIA Base: 9PMEIA Bulb: 6-2

Substitute Data

Preferred Substitutes ......................... 6HM6
Substitutes ................................... 6HT6 6JD6 6KT8
Source ........................................ RCA RC-29 - 1975

Application

Source ........................................ RCA RC-29 - 1975
Miniature type used in if-amplifier stages of color and bw tv receivers utilizing if in the order of 40 MHz. Requires miniature 9-contact socket.

Mechanical Data

Source ........................................ RCA RC-29 - 1975
Bulb .......................................... T-6 1/2
EIA Outline ................................... 6-2
EIA Base ...................................... 9PM
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 ......................................... 8.5 pf
Output ........................................ 3 pf
Grid to Plate ................................. 0.019 pf

Maximum Ratings (Design Center Values)

Pentode
Source ........................................ RCA RC-29 - 1975
Plate Voltage ................................. 330 V
Grid No. 2 Voltage ............................ 330 V
Plate Dissipation ............................. 3.1 W
Grid No. 2 Dissipation ........................ 0.7 W
Grid No. 1 Circuit Resistance
Fixed Bias ................................. 0.25M Ω
Self Bias .................................. 1M Ω

Characteristics and Typical Operation

Class A Amplifier
Source ........................................ RCA RC-29 - 1975
Plate Voltage ................................. 125 V
Grid No. 2 Voltage ............................ 125 V
Grid No. 1 Voltage Derived from
Cathode Bias Resistor ...................... 56 Ω
Plate Resistance (approx) ..................... 180K Ω
Transconductance .............................. 16000 µMho
Plate Current ................................. 14 mA
Grid No. 2 Current ............................ 3.4 mA
Grid No. 1 Voltage for Ib ..................... 100 µa @ -3 V

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Fri, 24 Jun 2022 19:31:41 -0700